nix flake update (nixpkgs 2022-10-14 -> 2022-10-19 and others)

```
• Updated input 'home-manager':
    'github:nix-community/home-manager/17208be516fc36e2ab0ceb064d931e90eb88b2a3' (2022-10-11)
  → 'github:nix-community/home-manager/b81e128fc053ab3159d7b464d9b7dedc9d6a6891' (2022-10-17)
• Updated input 'mobile-nixos':
    'github:nixos/mobile-nixos/e4b6f680b2a4f29f087a7c1299c11499d1a367b6' (2022-10-14)
  → 'github:nixos/mobile-nixos/2a4d4a71e1dfa6d9001249fd57229e949dac0908' (2022-10-21)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/4428e23312933a196724da2df7ab78eb5e67a88e' (2022-10-14)
  → 'github:NixOS/nixpkgs/db25c4da285c5989b39e4ce13dea651a88b7a9d4' (2022-10-19)
• Updated input 'nixpkgs-stable':
    'github:NixOS/nixpkgs/e06bd4b64bbfda91d74f13cb5eca89485d47528f' (2022-10-12)
  → 'github:NixOS/nixpkgs/44fc3cb097324c9f9f93313dd3f103e78d722968' (2022-10-20)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/0ce0449e6404c4ff9d1b7bd657794ae5ca54deb3' (2022-10-09)
  → 'github:Mic92/sops-nix/8e470d4eac115aa793437e52e84e7f9abdce236b' (2022-10-18)
• Updated input 'sops-nix/nixpkgs-22_05':
    'github:NixOS/nixpkgs/b3783bcfb8ec54e0de26feccfc6cc36b8e202ed5' (2022-10-09)
  → 'github:NixOS/nixpkgs/945a85cb7ee31f5f8c49432d77b610b777662d4f' (2022-10-15)
```

.sops.yaml

@@ -2,11 +2,11 @@ keys:
   - &user_desko_colin age1tnl4jfgacwkargzeqnhzernw29xx8mkv73xh6ufdyde6q7859slsnzf24x
   - &user_lappy_colin age1j2pqnl8j0krdzk6npe93s4nnqrzwx978qrc0u570gzlamqpnje9sc8le2g
   - &user_servo_colin age1z8fauff34cdecr6sjkre260luzxcca05kpcwvhx988d306tpcejsp63znu
-  - &user_moby_colin age1lt739n2tq7dmpglvntjr9j2r7426md7rat7x9w930gagtx4jyvnqwts2al
+  - &user_moby_colin age1zsrsvd7j6l62fjxpfd2qnhqlk8wk4p8r0dtxpe4sdgnh2474095qdu7xj9
   - &host_desko age1vnw7lnfpdpjn62l3u5nyv5xt2c965k96p98kc43mcnyzpetrts9q54mc9v
   - &host_lappy age1w7mectcjku6x3sd8plm8wkn2qfrhv9n6zhzlf329e2r2uycgke8qkf9dyn
   - &host_servo age1tzlyex2z6t88tg9h82943e39shxhmqeyr7ywhlwpdjmyqsndv3qq27x0rf
-  - &host_moby age1t957gf0z865gya0khgc9x59wy76hzps3sgejjqtwcngn2xl273msxsmpe6
+  - &host_moby age18vq5ktwgeaysucvw9t67drqmg5zd5c5k3le34yqxckkfj7wqdqgsd4ejmt
 creation_rules:
   - path_regex: secrets/universal*
     key_groups:
@@ -19,7 +19,7 @@ creation_rules:
       - *host_lappy
       - *host_servo
       - *host_moby
-  - path_regex: secrets/servo.yaml$
+  - path_regex: secrets/servo*
     key_groups:
     - age:
       - *user_desko_colin

TODO.md

@@ -1,12 +1,16 @@
 # features/tweaks
-- iron out video drivers
 - emoji picker application
 - find a Masto/Pleroma app which works on mobile
+- remove hardcoded uid/gids outside of allocations.nix (used in impermanence code -- replace with username/groupname)
 
 
 # speed up cross compiling
-   https://nixos.wiki/wiki/Cross_Compiling
-   https://nixos.wiki/wiki/NixOS_on_ARM
+- <https://nixos.wiki/wiki/Cross_Compiling>
+- <https://nixos.wiki/wiki/NixOS_on_ARM>
+```nix
    overlays = [{ ... }: {
      nixpkgs.crossSystem.system = "aarch64-linux";
    }];
+```
+- <https://github.com/nix-community/aarch64-build-box>
+	- apply for access to the community arm build box

flake.lock

@@ -1,5 +1,20 @@
 {
   "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -7,11 +22,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1656169755,
-        "narHash": "sha256-Nlnm4jeQWEGjYrE6hxi/7HYHjBSZ/E0RtjCYifnNsWk=",
+        "lastModified": 1665996265,
+        "narHash": "sha256-/k9og6LDBQwT+f/tJ5ClcWiUl8kCX5m6ognhsAxOiCY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "4a3d01fb53f52ac83194081272795aa4612c2381",
+        "rev": "b81e128fc053ab3159d7b464d9b7dedc9d6a6891",
         "type": "github"
       },
       "original": {
@@ -23,11 +38,11 @@
     },
     "impermanence": {
       "locked": {
-        "lastModified": 1646131459,
-        "narHash": "sha256-GPmgxvUFvQ1GmsGfWHy9+rcxWrczeDhS9XnAIPHi9XQ=",
+        "lastModified": 1661933071,
+        "narHash": "sha256-RFgfzldpbCvS+H2qwH+EvNejvqs+NhPVD5j1I7HQQPY=",
         "owner": "nix-community",
         "repo": "impermanence",
-        "rev": "2f39baeb7d039fda5fc8225111bb79474138e6f4",
+        "rev": "def994adbdfc28974e87b0e4c949e776207d5557",
         "type": "github"
       },
       "original": {
@@ -39,11 +54,11 @@
     "mobile-nixos": {
       "flake": false,
       "locked": {
-        "lastModified": 1656299939,
-        "narHash": "sha256-gODt71CCv0gnMNeU4GYdSBJkxsfmBy0uNv8owQC1oPs=",
+        "lastModified": 1666330772,
+        "narHash": "sha256-TnLfA5u/8/vbxhDNpkZGWBGsHP3zcNdFc15tkGB2hUI=",
         "owner": "nixos",
         "repo": "mobile-nixos",
-        "rev": "de9a88a70f0ae5fc0839ff94bf29e8a30af399f8",
+        "rev": "2a4d4a71e1dfa6d9001249fd57229e949dac0908",
         "type": "github"
       },
       "original": {
@@ -54,42 +69,26 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1656679828,
-        "narHash": "sha256-akGA97pR1BAQew1FrVTCME3p8qvYxJXB2X3a13aBphs=",
+        "lastModified": 1666198336,
+        "narHash": "sha256-VTrWD8Bb48h2pi57P1++LuvZIgum3gSLiRzZ/8q3rg0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "915f5a5b3cc4f8ba206afd0b70e52ba4c6a2796b",
+        "rev": "db25c4da285c5989b39e4ce13dea651a88b7a9d4",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.05",
+        "ref": "nixos-unstable",
         "type": "indirect"
       }
     },
-    "nixpkgs-21_11": {
-      "locked": {
-        "lastModified": 1656198488,
-        "narHash": "sha256-xe81o3Kin6a0jXA3mTxcR+jeA1jLKw3TCar5LUo/B5c=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "46af3303651699dc58cfc251d9b18c0f59d857da",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "release-21.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs-22_05": {
       "locked": {
-        "lastModified": 1656199498,
-        "narHash": "sha256-/BCpM7j7y1G4het6Z3idlnv9A87/s0O1glVmH7fnWvk=",
+        "lastModified": 1665870850,
+        "narHash": "sha256-EkC/Kkc9cr2orI868OHnh6F8/aqS4TZy38ie+KnhfS8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "72a1f167077060a1a7b6e0104863245d0483fa7f",
+        "rev": "945a85cb7ee31f5f8c49432d77b610b777662d4f",
         "type": "github"
       },
       "original": {
@@ -99,35 +98,19 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
+    "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1656130826,
-        "narHash": "sha256-g5Wo75ddDQmWnL70rJCMm+JJlvHbzPFUePUpuMNn5qk=",
+        "lastModified": 1666249138,
+        "narHash": "sha256-CzK8NA8xEMKAhvHXB8UMODckcH97sZXm6lziKNWLv0M=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "72d1b0d0fac131df1ea254b65413c85609bdd2ee",
+        "rev": "44fc3cb097324c9f9f93313dd3f103e78d722968",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nurpkgs": {
-      "locked": {
-        "lastModified": 1656786319,
-        "narHash": "sha256-MpdBL2+csFfnMu+2eUNkkACkrPt7UhUdpvXnhrLim0E=",
-        "owner": "nix-community",
-        "repo": "NUR",
-        "rev": "433704dc83b1491725e616bbb898ccd17fbe3d0e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "NUR",
-        "type": "github"
+        "id": "nixpkgs",
+        "ref": "nixos-22.05",
+        "type": "indirect"
       }
     },
     "root": {
@@ -136,22 +119,24 @@
         "impermanence": "impermanence",
         "mobile-nixos": "mobile-nixos",
         "nixpkgs": "nixpkgs",
-        "nurpkgs": "nurpkgs",
-        "sops-nix": "sops-nix"
+        "nixpkgs-stable": "nixpkgs-stable",
+        "sops-nix": "sops-nix",
+        "uninsane": "uninsane"
       }
     },
     "sops-nix": {
       "inputs": {
-        "nixpkgs": "nixpkgs_2",
-        "nixpkgs-21_11": "nixpkgs-21_11",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
         "nixpkgs-22_05": "nixpkgs-22_05"
       },
       "locked": {
-        "lastModified": 1656399028,
-        "narHash": "sha256-re66+rVHGR3y+0QsaDAwoAHCfoi3BlGV24t2EqRZsAE=",
+        "lastModified": 1666078616,
+        "narHash": "sha256-ifW3GhIxuKv5+AidKAPpmtS8M7TY2d7VS6eFnaCFdfU=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "d26947f2d6252e2aae5ffddfe9b38b7c4b94e8f9",
+        "rev": "8e470d4eac115aa793437e52e84e7f9abdce236b",
         "type": "github"
       },
       "original": {
@@ -159,6 +144,27 @@
         "repo": "sops-nix",
         "type": "github"
       }
+    },
+    "uninsane": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1665758541,
+        "narHash": "sha256-ibR8bPwHlDjavri5cNVnoo5FmFk1IfNMmQXxat5biqs=",
+        "ref": "refs/heads/master",
+        "rev": "4ad1801f6cecd678bbeae5dfe5933448dd7b3360",
+        "revCount": 163,
+        "type": "git",
+        "url": "https://git.uninsane.org/colin/uninsane"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.uninsane.org/colin/uninsane"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -1,11 +1,11 @@
 # docs:
-#   https://nixos.wiki/wiki/Flakes
-#   https://serokell.io/blog/practical-nix-flakes
+# - <https://nixos.wiki/wiki/Flakes>
+# - <https://serokell.io/blog/practical-nix-flakes>
 
 {
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-22.05";
-    # pkgs-telegram.url = "nixpkgs/33775ec9a2173a08e46edf9f46c9febadbf743e8";# 2022/04/18; telegram 3.7.3. fails: nix log /nix/store/y5kv47hnv55qknb6cnmpcyraicay79fx-telegram-desktop-3.7.3.drv: g++: fatal error: cannot execute '/nix/store/njk5sbd21305bhr7gwibxbbvgbx5lxvn-gcc-9.3.0/libexec/gcc/aarch64-unknown-linux-gnu/9.3.0/cc1plus': execv: No such file or directory
+    nixpkgs-stable.url = "nixpkgs/nixos-22.05";
+    nixpkgs.url = "nixpkgs/nixos-unstable";
     mobile-nixos = {
       url = "github:nixos/mobile-nixos";
       flake = false;
@@ -14,12 +14,18 @@
       url = "github:nix-community/home-manager/release-22.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    nurpkgs.url = "github:nix-community/NUR";
-    sops-nix.url = "github:Mic92/sops-nix";
+    sops-nix = {
+      url = "github:Mic92/sops-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     impermanence.url = "github:nix-community/impermanence";
+    uninsane = {
+      url = "git+https://git.uninsane.org/colin/uninsane";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { self, nixpkgs, mobile-nixos, home-manager, nurpkgs, sops-nix, impermanence }:
+  outputs = { self, nixpkgs, nixpkgs-stable, mobile-nixos, home-manager, sops-nix, impermanence, uninsane }:
   let
     patchedPkgs = system: nixpkgs.legacyPackages.${system}.applyPatches {
       name = "nixpkgs-patched-uninsane";
@@ -27,57 +33,90 @@
       patches = import ./nixpatches/list.nix nixpkgs.legacyPackages.${system}.fetchpatch;
     };
     # return something which behaves like `pkgs`, for the provided system
-    nixpkgsFor = system: import (patchedPkgs system) { inherit system; };
+    # `local` = architecture of builder. `target` = architecture of the system beying deployed to
+    nixpkgsFor = local: target: import (patchedPkgs target) { crossSystem = target; localSystem = local; };
     # evaluate ONLY our overlay, for the provided system
-    customPackagesFor = system: import ./pkgs/overlay.nix (nixpkgsFor system) (nixpkgsFor system);
-    decl-machine = { name, system }:
+    customPackagesFor = local: target: import ./pkgs/overlay.nix (nixpkgsFor local target) (nixpkgsFor local target);
+    decl-machine = { name, local, target }:
     let
-      nixosSystem = import ((patchedPkgs system) + "/nixos/lib/eval-config.nix");
+      nixosSystem = import ((patchedPkgs target) + "/nixos/lib/eval-config.nix");
     in (nixosSystem {
-      inherit system;
-      specialArgs = { inherit nixpkgs mobile-nixos home-manager nurpkgs impermanence; };
+      # by default the local system is the same as the target, employing emulation when they differ
+      system = target;
+      specialArgs = { inherit mobile-nixos home-manager impermanence; };
       modules = [
         ./modules
         ./machines/${name}
         (import ./helpers/set-hostname.nix name)
+        home-manager.nixosModule
+        impermanence.nixosModule
         sops-nix.nixosModules.sops
         {
           nixpkgs.config.allowUnfree = true;
           nixpkgs.overlays = [
-            nurpkgs.overlay
             (import "${mobile-nixos}/overlay/overlay.nix")
+            uninsane.overlay
             (import ./pkgs/overlay.nix)
+            (next: prev: rec {
+              # non-emulated packages build *from* local *for* target.
+              # for large packages like the linux kernel which are expensive to build under emulation,
+              # the config can explicitly pull such packages from `pkgs.cross` to do more efficient cross-compilation.
+              cross = (nixpkgsFor local target) // (customPackagesFor local target);
+              stable = import nixpkgs-stable { system = target; };
+              # pinned packages:
+              electrum = stable.electrum;  # 2022-10-10: build break
+              sequoia = stable.sequoia;    # 2022-10-13: build break
+            })
           ];
         }
       ];
     });
 
-    decl-bootable-machine = { name, system }: rec {
-      nixosConfiguration = decl-machine { inherit name system; };
+    decl-bootable-machine = { name, local, target }: rec {
+      nixosConfiguration = decl-machine { inherit name local target; };
       # this produces a EFI-bootable .img file (GPT with a /boot partition and a system (/ or /nix) partition).
       # after building this:
       #   - flash it to a bootable medium (SD card, flash drive, HDD)
       #   - resize the root partition (use cfdisk)
       #   - mount the part
-      #     chown root:nixblkd <part>/nix/store
-      #     chmod 775 <part>/nix/store
-      #     chown root:root -R <part>/nix/store/*
-      #     populate any important things (persist/, home/colin/.ssh, etc)
+      #      - chown root:nixbld <part>/nix/store
+      #      - chown root:root -R <part>/nix/store/*
+      #      - chown root:root -R <part>/persist  # if using impermanence
+      #      - populate any important things (persist/, home/colin/.ssh, etc)
       #   - boot
       #   - if fs wasn't resized automatically, then `sudo btrfs filesystem resize max /`
       #   - checkout this flake into /etc/nixos AND UPDATE THE FS UUIDS.
       #   - `nixos-rebuild --flake './#<machine>' switch`
       img = nixosConfiguration.config.system.build.img;
     };
-    machines.servo = decl-bootable-machine { name = "servo"; system = "aarch64-linux"; };
-    machines.desko = decl-bootable-machine { name = "desko"; system = "x86_64-linux"; };
-    machines.lappy = decl-bootable-machine { name = "lappy"; system = "x86_64-linux"; };
-    machines.moby = decl-bootable-machine { name = "moby"; system = "aarch64-linux"; };
+    machines.servo = decl-bootable-machine { name = "servo"; local = "aarch64-linux"; target = "aarch64-linux"; };
+    machines.desko = decl-bootable-machine { name = "desko"; local = "x86_64-linux"; target = "x86_64-linux"; };
+    machines.lappy = decl-bootable-machine { name = "lappy"; local = "x86_64-linux"; target = "x86_64-linux"; };
+    machines.moby = decl-bootable-machine { name = "moby"; local = "aarch64-linux"; target = "aarch64-linux"; };
+    # special cross-compiled variant, to speed up deploys from an x86 box to the arm target
+    # note that these *do* produce different store paths, because the closure for the tools used to cross compile
+    # v.s. emulate differ.
+    # so deploying moby-cross and then moby incurs some rebuilding.
+    machines.moby-cross = decl-bootable-machine { name = "moby"; local = "x86_64-linux"; target = "aarch64-linux"; };
+    machines.rescue = decl-bootable-machine { name = "rescue"; local = "x86_64-linux"; target = "x86_64-linux"; };
   in {
     nixosConfigurations = builtins.mapAttrs (name: value: value.nixosConfiguration) machines;
     imgs = builtins.mapAttrs (name: value: value.img) machines;
-    packages.x86_64-linux = customPackagesFor "x86_64-linux";
-    packages.aarch64-linux = customPackagesFor "aarch64-linux";
+    packages = let
+      custom-x86_64 = customPackagesFor "x86_64-linux" "x86_64-linux";
+      custom-aarch64 = customPackagesFor "aarch64-linux" "aarch64-linux";
+      nixpkgs-x86_64 = nixpkgsFor "x86_64-linux" "x86_64-linux";
+      nixpkgs-aarch64 = nixpkgsFor "aarch64-linux" "aarch64-linux";
+    in {
+      x86_64-linux = custom-x86_64 // {
+        nixpkgs = nixpkgs-x86_64;
+        uninsane = uninsane.packages.x86_64-linux;
+      };
+      aarch64-linux = custom-aarch64 // {
+        nixpkgs = nixpkgs-aarch64;
+        uninsane = uninsane.packages.aarch64-linux;
+      };
+    };
   };
 }
 

machines/desko/default.nix

@@ -1,28 +1,22 @@
-{ pkgs, ... }:
+{ config, pkgs, ... }:
 {
   imports = [
     ./fs.nix
   ];
 
-  colinsane.home-manager.extraPackages = [
-    pkgs.electrum
-  ];
-  colinsane.gui.sway.enable = true;
-  colinsane.services.duplicity.enable = true;
-  colinsane.impermanence.enable = true;
+  sane.gui.sway.enable = true;
+  sane.services.duplicity.enable = true;
+  sane.services.nixserve.enable = true;
+  sane.services.nixserve.sopsFile = ../../secrets/desko.yaml;
+  sane.impermanence.enable = true;
 
-  boot.loader.generic-extlinux-compatible.enable = true;
   boot.loader.efi.canTouchEfiVariables = false;
-  colinsane.image.extraBootFiles = [ pkgs.bootpart-uefi-x86_64 ];
-
-  hardware.opengl.extraPackages = with pkgs; [
-    rocm-opencl-icd
-    rocm-opencl-runtime
-    amdvlk
-  ];
+  sane.image.extraBootFiles = [ pkgs.bootpart-uefi-x86_64 ];
 
   # needed to use libimobiledevice/ifuse, for iphone sync
   services.usbmuxd.enable = true;
+  users.users.usbmux.uid = config.sane.allocations.usbmux-uid;
+  users.groups.usbmux.gid = config.sane.allocations.usbmux-gid;
 
   # default config: https://man.archlinux.org/man/snapper-configs.5
   # defaults to something like:
@@ -42,6 +36,17 @@
     sopsFile = ../../secrets/desko.yaml;
   };
 
+  programs.steam = {
+    enable = true;
+    # not sure if needed: stole this whole snippet from the wiki
+    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+  };
+  sane.impermanence.home-dirs = [
+    ".steam"
+    ".local/share/Steam"
+  ];
+
   # docs: https://nixos.org/manual/nixos/stable/options.html#opt-system.stateVersion
   system.stateVersion = "21.05";
 }

machines/desko/fs.nix

@@ -11,12 +11,14 @@
       "defaults"
     ];
   };
-  # we need a /tmp of default size (half RAM) for building large nix things
+  # we need a /tmp for building large nix things.
+  # a cross-compiled kernel, particularly, will easily use 30+GB of tmp
   fileSystems."/tmp" = {
     device = "none";
     fsType = "tmpfs";
     options = [
       "mode=777"
+      "size=64G"
       "defaults"
     ];
   };

machines/lappy/default.nix

@@ -4,18 +4,14 @@
     ./fs.nix
   ];
 
-  colinsane.gui.sway.enable = true;
-  colinsane.impermanence.enable = true;
-  boot.loader.generic-extlinux-compatible.enable = true;
+  # sane.users.guest.enable = true;
+  sane.gui.sway.enable = true;
+  sane.impermanence.enable = true;
+  sane.nixcache.enable = true;
   boot.loader.efi.canTouchEfiVariables = false;
-  colinsane.image.extraBootFiles = [ pkgs.bootpart-uefi-x86_64 ];
+  sane.image.extraBootFiles = [ pkgs.bootpart-uefi-x86_64 ];
 
-  hardware.opengl.extraPackages = with pkgs; [
-    intel-compute-runtime
-    intel-media-driver  # new
-    libvdpau-va-gl      # new
-    vaapiIntel
-  ];
+  users.users.colin.initialPassword = "147147";
 
   # default config: https://man.archlinux.org/man/snapper-configs.5
   # defaults to something like:

machines/moby/default.nix

@@ -1,50 +1,61 @@
-{ pkgs, mobile-nixos, ... }:
+{ config, pkgs, lib, mobile-nixos, ... }:
 {
   imports = [
-    (import "${mobile-nixos}/lib/configuration.nix" {
-      device = "pine64-pinephone";
-    })
     ./firmware.nix
     ./fs.nix
+    ./kernel.nix
   ];
+
+  # cross-compiled documentation is *slow*.
+  # no obvious way to natively compile docs (2022/09/29).
+  # entrypoint is nixos/modules/misc/documentation.nix
+  # doc building happens in nixos/doc/manual/default.nix
+  # TODO: we could *maybe* inject pkgs.buildPackages.xyz = cross.buildPackages.xyz?
+  documentation.nixos.enable = false;
+
   # XXX colin: phosh doesn't work well with passwordless login
   users.users.colin.initialPassword = "147147";
+  services.getty.autologinUser = "root";  # allows for emergency maintenance?
 
-  colinsane.home-manager.extraPackages = [
-    # for web browsers see: https://forum.pine64.org/showthread.php?tid=13669
-    pkgs.angelfish  # plasma mobile web browser; broken on phosh (poor wayland support)
-    # pkgs.plasma5Packages.index  # file browser
-    pkgs.plasma5Packages.konsole  # terminal
-    # pkgs.plasma5Packages.pix  # picture viewer
-    pkgs.plasma5Packages.kalk  # calculator; broken on phosh
-    # pkgs.plasma5Packages.buho  # (plasma mobile?) note application
-    pkgs.plasma5Packages.kasts  #  podcast app; works on phosh after setting QT envar
-    pkgs.plasma5Packages.koko  # image gallery; broken on phosh
-    pkgs.plasma5Packages.kwave  # media player.
-    # pkgs.plasma5Packages.neochat  #  matrix client. needs qcoro => no aarch64 support
-    # pkgs.plasma5Packages.plasma-dialer  # phone dialer
-    # pkgs.plasma5Packages.plasma-mobile  # the whole shebang?
-    # pkgs.plasma5Packages.plasma-settings
-    pkgs.plasma5Packages.bomber  # arcade game; broken on phosh
-    pkgs.plasma5Packages.kapman  # pacman
-    pkgs.w3m  # text-based web browser; works!
-    pkgs.st  # suckless terminal; broken on phosh
-    # pkgs.alacritty  # terminal; crashes phosh
+  # usability compromises
+  sane.impermanence.home-dirs = [
+    ".librewolf"
   ];
 
-  colinsane.nixcache.enable = true;
-  colinsane.gui.phosh.enable = true;
-  boot.loader.grub.enable = false;
-  mobile.bootloader.enable = false;
-  boot.loader.generic-extlinux-compatible.enable = true;
+  # sane.home-packages.enableGuiPkgs = false;  # XXX faster builds/imaging for debugging
+  sane.home-manager.extraPackages = [
+    pkgs.plasma5Packages.konsole  # terminal
+  ];
 
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "21.11"; # Did you read the comment?
+  sane.nixcache.enable = true;
+  sane.impermanence.enable = true;
+  sane.gui.phosh.enable = true;
+
+  boot.loader.efi.canTouchEfiVariables = false;
+  # /boot space is at a premium. default was 20.
+  boot.loader.generic-extlinux-compatible.configurationLimit = 10;
+  # mobile.bootloader.enable = false;
+  # mobile.boot.stage-1.enable = false;
+  # boot.initrd.systemd.enable = false;
+  # boot.initrd.services.swraid.enable = false;  # attempt to fix dm_mod stuff
+  # disable proximity sensor.
+  # the filtering/calibration is bad that it causes the screen to go fully dark at times.
+  boot.blacklistedKernelModules = [ "stk3310" ];
+
+  # without this some GUI apps fail: `DRM_IOCTL_MODE_CREATE_DUMB failed: Cannot allocate memory`
+  # this is because they can't allocate enough video ram.
+  # the default CMA seems to be 32M. we could probably get by with as little as 64M, and safely with 128M.
+  # `cat /proc/meminfo` to see CmaTotal/CmaFree if interested in tuning this.
+  boot.kernelParams = [ "cma=256M" ];
+
+  # mobile-nixos' /lib/firmware includes:
+  #   rtl_bt          (bluetooth)
+  #   anx7688-fw.bin  (USB-C -> HDMI bridge)
+  #   ov5640_af.bin   (camera module)
+  # hardware.firmware = [ config.mobile.device.firmware ];
+  hardware.firmware = [ pkgs.rtl8723cs-firmware ];
+
+  system.stateVersion = "21.11";
 
   # defined: https://www.freedesktop.org/software/systemd/man/machine-info.html
   # XXX colin: not sure which, if any, software makes use of this
@@ -54,4 +65,17 @@
 
   # enable rotation sensor
   hardware.sensor.iio.enable = true;
+
+  # from https://gitlab.manjaro.org/manjaro-arm/packages/community/phosh/alsa-ucm-pinephone
+  # mobile-nixos does this same thing, with *slightly different settings*.
+  # i trust manjaro more because the guy maintaining that is actively trying to upstream into alsa-ucm-conf.
+  # an alternative may be to build a custom alsa with the PinePhone config patch applied:
+  # - <https://github.com/alsa-project/alsa-ucm-conf/pull/134>
+  # that would make this be not device-specific
+  environment.variables.ALSA_CONFIG_UCM2 = "${./ucm2}";
+  systemd.services.pulseaudio.environment.ALSA_CONFIG_UCM2 = "${./ucm2}";
+
+  users.groups.feedbackd.gid = config.sane.allocations.feedbackd-gid;
+
+  hardware.opengl.driSupport = true;
 }

machines/moby/firmware.nix

@@ -2,9 +2,9 @@
 {
   # we need space in the GPT header to place tow-boot.
   # only actually need 1 MB, but better to over-allocate than under-allocate
-  colinsane.image.extraGPTPadding = 16 * 1024 * 1024;
-  colinsane.image.firstPartGap = 0;
-  system.build.img = pkgs.runCommandNoCC "nixos_full-disk-image.img" {} ''
+  sane.image.extraGPTPadding = 16 * 1024 * 1024;
+  sane.image.firstPartGap = 0;
+  system.build.img = pkgs.runCommand "nixos_full-disk-image.img" {} ''
     cp -v ${config.system.build.img-without-firmware}/nixos.img $out
     chmod +w $out
     dd if=${pkgs.tow-boot-pinephone}/Tow-Boot.noenv.bin of=$out bs=1024 seek=8 conv=notrunc

machines/moby/fs.nix

@@ -1,7 +1,18 @@
 { ... }:
 
 {
+  # root is a tmpfs so that we have an ephemeral system ("impermanence" handles the state)
   fileSystems."/" = {
+    device = "none";
+    fsType = "tmpfs";
+    options = [
+      "mode=755"
+      "size=1G"
+      "defaults"
+    ];
+  };
+
+  fileSystems."/nix" = {
     device = "/dev/disk/by-uuid/1f1271f8-53ce-4081-8a29-60a4a6b5d6f9";
     fsType = "btrfs";
     options = [

machines/moby/kernel.nix

@@ -0,0 +1,143 @@
+{ lib, pkgs, ... }:
+let
+  # use the last commit on the 5.18 branch (5.18.14)
+  # manjaro's changes between kernel patch versions tend to be minimal if any.
+  manjaroBase = "https://gitlab.manjaro.org/manjaro-arm/packages/core/linux/-/raw/25bd828cd47b1c6e09fcbcf394a649b89d2876dd";
+  manjaroPatch = name: sha256: {
+    inherit name;
+    patch = pkgs.fetchpatch {
+      inherit name;
+      url = "${manjaroBase}/${name}?inline=false";
+      inherit sha256;
+    };
+  };
+
+  # the idea for patching off Manjaro's kernel comes from jakewaksbaum:
+  # - https://git.sr.ht/~jakewaksbaum/pi/tree/af20aae5653545d6e67a459b59ee3e1ca8a680b0/item/kernel/default.nix
+  # - he later abandoned this, i think because he's using the Pinephone Pro which received mainline support.
+  manjaroPatches = [
+    (manjaroPatch
+      "1001-arm64-dts-allwinner-add-hdmi-sound-to-pine-devices.patch"
+      "sha256-DApd791A+AxB28Ven/MVAyuyVphdo8KQDx8O7oxVPnc="
+    )
+    # these patches below are critical to enable wifi (RTL8723CS)
+    # - the alternative is a wholly forked kernel by megi/megous:
+    #   - https://xnux.eu/howtos/build-pinephone-kernel.html#toc-how-to-build-megi-s-pinehpone-kernel
+    # - i don't know if these patches are based on megi's or original
+    (manjaroPatch
+      "2001-Bluetooth-Add-new-quirk-for-broken-local-ext-features.patch"
+      "sha256-CExhJuUWivegxPdnzKINEsKrMFx/m/1kOZFmlZ2SEOc="
+    )
+    (manjaroPatch
+      "2002-Bluetooth-btrtl-add-support-for-the-RTL8723CS.patch"
+      "sha256-dDdvOphTcP/Aog93HyH+L9m55laTgtjndPSE4/rnzUA="
+    )
+    (manjaroPatch
+      "2004-arm64-dts-allwinner-enable-bluetooth-pinetab-pinepho.patch"
+      "sha256-o43P3WzXyHK1PF+Kdter4asuyGAEKO6wf5ixcco2kCQ="
+    )
+    # XXX: this one has a Makefile, which hardcodes /sbin/depmod:
+    # - drivers/staging/rtl8723cs/Makefile
+    # - not sure if this is problematic?
+    (manjaroPatch
+      "2005-staging-add-rtl8723cs-driver.patch"
+      "sha256-6ywm3dQQ5JYl60CLKarxlSUukwi4QzqctCj3tVgzFbo="
+    )
+  ];
+
+  # pinephone uses the linux dtb at arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+  # - this includes sun50i-a64.dtsi
+  # - and sun50i-a64-cpu-opp.dtsi
+  # - no need to touch the allwinner-h6 stuff: that's the SBC pine product
+  # - i think it's safe to ignore sun9i stuff, but i don't know what it is
+  kernelConfig = with lib.kernel; {
+    # NB: nix adds the CONFIG_ prefix to each of these.
+    # if you add the prefix yourself nix will IGNORE YOUR CONFIG.
+    RTL8723CS = module;
+    BT_HCIUART_3WIRE = yes;
+    BT_HCIUART_RTL = yes;
+    RTL8XXXU_UNTESTED = yes;
+    BT_BNEP_MC_FILTER = yes;
+    BT_BNEP_PROTO_FILTER = yes;
+    BT_HS = yes;
+    BT_LE = yes;
+    # relevant configs inherited from nixos defaults (or above additions):
+    # CONFIG_BT=m
+    # CONFIG_BT_BREDR=y
+    # CONFIG_BT_RFCOMM=m
+    # CONFIG_BT_RFCOMM_TTY=y
+    # CONFIG_BT_BNEP=m
+    # CONFIG_BT_HIDP=m
+    # CONFIG_BT_RTL=m
+    # CONFIG_BT_HCIBTUSB=m
+    # CONFIG_BT_HCIBTUSB_BCM=y
+    # CONFIG_BT_HCIBTUSB_RTL=y
+    # CONFIG_BT_HCIUART=m
+    # CONFIG_BT_HCIUART_SERDEV=y
+    # CONFIG_BT_HCIUART_H4=y
+    # CONFIG_BT_HCIUART_LL=y
+    # CONFIG_RTL_CARDS=m
+    # CONFIG_RTLWIFI=m
+    # CONFIG_RTLWIFI_PCI=m
+    # CONFIG_RTLWIFI_USB=m
+    # CONFIG_RTLWIFI_DEBUG=y
+    # CONFIG_RTL8723_COMMON=m
+    # CONFIG_RTLBTCOEXIST=m
+    # CONFIG_RTL8XXXU=m
+    # CONFIG_RTLLIB=m
+    # consider adding (from mobile-nixos):
+    # maybe: CONFIG_BT_HCIUART_3WIRE=y
+    # maybe: CONFIG_BT_HCIUART_RTL=y
+    # maybe: CONFIG_RTL8XXXU_UNTESTED=y
+    # consider adding (from manjaro):
+    # CONFIG_BT_6LOWPAN=m  (not listed as option in nixos kernel)
+    # these are referenced in the rtl8723 source, but not known to config (and not in mobile-nixos config
+    # maybe: CONFIG_RTL_ODM_WLAN_DRIVER
+    # maybe: CONFIG_RTL_TRIBAND_SUPPORT
+    # maybe: CONFIG_SDIO_HCI
+    # maybe: CONFIG_USB_HCI
+  };
+
+  # create a kernelPatch which overrides nixos' defconfig with extra options
+  patchDefconfig = config: {
+    # defconfig options. this method comes from here:
+    # - https://discourse.nixos.org/t/the-correct-way-to-override-the-latest-kernel-config/533/9
+    name = "sane-moby-defconfig";
+    patch = null;
+    extraStructuredConfig = config;
+  };
+in
+{
+  # use Megi's kernel:
+  # even with the Manjaro patches, stock 5.18 has a few issues on Pinephone:
+  # - no battery charging
+  # - phone rotation sensor is off by 90 degrees
+  # - ambient light sensor causes screen brightness to be shakey
+  # - phosh greeter may not appear after wake from sleep
+  boot.kernelPackages = pkgs.cross.linuxPackagesFor pkgs.cross.linux-megous;
+
+  boot.kernelPatches = [
+    (patchDefconfig (kernelConfig //
+      (with lib.kernel; {
+        # disabling the sun5i_eink driver avoids this compilation error:
+        # CC [M]  drivers/video/fbdev/sun5i-eink-neon.o
+        # aarch64-unknown-linux-gnu-gcc: error: unrecognized command line option '-mfloat-abi=softfp'
+        # aarch64-unknown-linux-gnu-gcc: error: unrecognized command line option '-mfpu=neon'
+        # make[3]: *** [../scripts/Makefile.build:289: drivers/video/fbdev/sun5i-eink-neon.o] Error 1
+        FB_SUN5I_EINK = no;
+      })
+    ))
+  ];
+
+  # alternatively, use nixos' kernel and add the stuff we want:
+  # # cross-compilation optimization:
+  # boot.kernelPackages =
+  #   let p = (import nixpkgs { localSystem = "x86_64-linux"; });
+  #   in p.pkgsCross.aarch64-multiplatform.linuxPackages_5_18;
+  # # non-cross:
+  # # boot.kernelPackages = pkgs.linuxPackages_5_18;
+
+  # boot.kernelPatches = manjaroPatches ++ [
+  #   (patchDefconfig kernelConfig)
+  # ];
+}

machines/moby/ucm2/PinePhone/HiFi.conf

@@ -0,0 +1,148 @@
+SectionVerb {
+	EnableSequence [
+		cset "name='Headphone Playback Switch' off"
+		cset "name='Headphone Source Playback Route' DAC"
+		cset "name='Line In Playback Switch' off"
+		cset "name='Line Out Playback Switch' off"
+		cset "name='Line Out Source Playback Route' Mono Differential"
+		cset "name='Mic1 Playback Switch' off"
+		cset "name='Mic2 Playback Switch' off"
+		cset "name='AIF1 DA0 Playback Volume' 160"
+		cset "name='AIF3 ADC Source Capture Route' None"
+		cset "name='AIF2 DAC Source Playback Route' AIF2"
+		cset "name='DAC Playback Switch' on"
+		cset "name='DAC Playback Volume' 160"
+		cset "name='ADC Digital DAC Playback Switch' off"
+		cset "name='AIF1 Slot 0 Digital DAC Playback Switch' on"
+		cset "name='AIF2 Digital DAC Playback Switch' off"
+		cset "name='DAC Reversed Playback Switch' off"
+		cset "name='Earpiece Playback Switch' off"
+		cset "name='Earpiece Source Playback Route' DACL"
+
+		cset "name='Line In Capture Switch' off"
+		cset "name='Mic1 Capture Switch' off"
+		cset "name='Mic1 Boost Volume' 7"
+		cset "name='Mic2 Capture Switch' off"
+		cset "name='Mic2 Boost Volume' 7"
+		cset "name='Mixer Capture Switch' off"
+		cset "name='Mixer Reversed Capture Switch' off"
+		cset "name='ADC Capture Volume' 160"
+		cset "name='ADC Gain Capture Volume' 7"
+		cset "name='AIF1 AD0 Capture Volume' 160"
+		cset "name='AIF1 Data Digital ADC Capture Switch' on"
+		cset "name='AIF2 ADC Mixer ADC Capture Switch' off"
+		cset "name='AIF2 ADC Mixer AIF1 DA0 Capture Switch' off"
+		cset "name='AIF2 ADC Mixer AIF2 DAC Rev Capture Switch' off"
+		cset "name='AIF2 ADC Mixer AIF1 DA0 Capture Switch' off"
+		cset "name='AIF2 ADC Mixer AIF1 DA0 Capture Switch' off"
+	]
+
+        DisableSequence [
+        ]
+
+	Value {
+	}
+}
+
+SectionDevice."Speaker" {
+	Comment "Internal speaker"
+	EnableSequence [
+		cset "name='AIF1 DA0 Stereo Playback Route' Mix Mono"
+		cset "name='Line Out Playback Switch' on"
+		cset "name='Line Out Playback Volume' 100%"
+	]
+
+	DisableSequence [
+		cset "name='Line Out Playback Switch' off"
+	]
+
+	Value {
+		PlaybackVolume "Line Out Playback Volume"
+		PlaybackSwitch "Line Out Playback Switch"
+		PlaybackChannels 2
+		PlaybackPriority 300
+		PlaybackPCM "hw:${CardId},0"
+	}
+}
+SectionDevice."Earpiece" {
+	Comment "Internal Earpiece"
+	EnableSequence [
+		cset "name='AIF1 DA0 Stereo Playback Route' Mix Mono"
+		cset "name='Earpiece Playback Switch' on"
+		cset "name='Earpiece Playback Volume' 100%"
+	]
+
+	DisableSequence [
+		cset "name='Earpiece Playback Switch' off"
+	]
+
+	Value {
+		PlaybackVolume "Earpiece Playback Volume"
+		PlaybackSwitch "Earpiece Playback Switch"
+		PlaybackChannels 2
+		PlaybackPriority 200
+		PlaybackPCM "hw:${CardId},0"
+	}
+}
+SectionDevice."Mic" {
+	Comment "Internal Microphone"
+	ConflictingDevice [
+		"Headset"
+	]
+	EnableSequence [
+		cset "name='Mic1 Capture Switch' on"
+	]
+	DisableSequence [
+		cset "name='Mic1 Capture Switch' off"
+	]
+	Value {
+		CapturePriority 100
+		CapturePCM "hw:${CardId},0"
+		CaptureChannels 2
+		CaptureMixerElem "ADC"
+		CaptureVolume "ADC Capture Volume"
+		CaptureSwitch "Mic1 Capture Switch"
+	}
+}
+SectionDevice."Headset" {
+	Comment "Headset Microphone"
+	ConflictingDevice [
+		"Mic"
+	]
+	EnableSequence [
+		cset "name='Mic2 Capture Switch' on"
+	]
+	DisableSequence [
+		cset "name='Mic2 Capture Switch' off"
+	]
+	Value {
+		CapturePriority 500
+		CapturePCM "hw:${CardId},0"
+		CaptureChannels 2
+		CaptureMixerElem "ADC"
+		CaptureVolume "ADC Capture Volume"
+		CaptureSwitch "Mic2 Capture Switch"
+		JackControl "Headset Microphone Jack"
+	}
+}
+SectionDevice."Headphones" {
+	Comment "Headphones"
+	EnableSequence [
+		cset "name='AIF1 DA0 Stereo Playback Route' Stereo"
+		cset "name='Headphone Playback Switch' on"
+		cset "name='Headphone Playback Volume' 70%"
+	]
+
+	DisableSequence [
+		cset "name='Headphone Playback Switch' off"
+	]
+
+	Value {
+		PlaybackVolume "Headphone Playback Volume"
+		PlaybackSwitch "Headphone Playback Switch"
+		PlaybackChannels 2
+		PlaybackPriority 500
+		PlaybackPCM "hw:${CardId},0"
+		JackControl "Headphone Jack"
+	}
+}

machines/moby/ucm2/PinePhone/PinePhone.conf

@@ -0,0 +1,11 @@
+Syntax 2
+
+SectionUseCase."HiFi" {
+	File "HiFi.conf"
+	Comment "Default"
+}
+
+SectionUseCase."Voice Call" {
+	File "VoiceCall.conf"
+	Comment "Phone call"
+}

machines/moby/ucm2/PinePhone/VoiceCall.conf

@@ -0,0 +1,153 @@
+SectionVerb {
+	EnableSequence [
+		cset "name='Headphone Playback Switch' off"
+		cset "name='Headphone Source Playback Route' DAC"
+		cset "name='Line In Playback Switch' off"
+		cset "name='Line Out Playback Switch' off"
+		cset "name='Line Out Source Playback Route' Mono Differential"
+		cset "name='Mic1 Playback Switch' off"
+		cset "name='Mic2 Playback Switch' off"
+		cset "name='AIF1 DA0 Playback Volume' 160"
+		cset "name='AIF2 DAC Playback Volume' 160"
+		cset "name='AIF3 ADC Source Capture Route' None"
+		cset "name='AIF2 DAC Source Playback Route' AIF2"
+		cset "name='DAC Playback Switch' on"
+		cset "name='DAC Playback Volume' 160"
+		cset "name='ADC Digital DAC Playback Switch' off"
+		cset "name='AIF1 Slot 0 Digital DAC Playback Switch' on"
+		cset "name='AIF2 Digital DAC Playback Switch' on"
+		cset "name='DAC Reversed Playback Switch' off"
+		cset "name='Earpiece Playback Switch' off"
+		cset "name='Earpiece Source Playback Route' DACL"
+
+		cset "name='Line In Capture Switch' off"
+		cset "name='Mic1 Capture Switch' off"
+		cset "name='Mic1 Boost Volume' 0"
+		cset "name='Mic1 Playback Volume' 7"
+		cset "name='Mic2 Capture Switch' off"
+		cset "name='Mic2 Boost Volume' 0"
+		cset "name='Mic2 Playback Volume' 7"
+		cset "name='Mixer Capture Switch' off"
+		cset "name='Mixer Reversed Capture Switch' off"
+		cset "name='ADC Capture Volume' 160"
+		cset "name='ADC Gain Capture Volume' 7"
+		cset "name='AIF1 AD0 Capture Volume' 160"
+		cset "name='AIF1 Data Digital ADC Capture Switch' on"
+		cset "name='AIF2 ADC Capture Volume' 160"
+		cset "name='AIF2 ADC Mixer ADC Capture Switch' on"
+		cset "name='AIF2 ADC Mixer AIF1 DA0 Capture Switch' off"
+		cset "name='AIF2 ADC Mixer AIF2 DAC Rev Capture Switch' off"
+		cset "name='AIF2 ADC Mixer AIF1 DA0 Capture Switch' off"
+		cset "name='AIF2 ADC Mixer AIF1 DA0 Capture Switch' off"
+	]
+
+        DisableSequence [
+        ]
+
+	Value {
+		PlaybackRate 8000
+	}
+}
+
+SectionDevice."Speaker" {
+	Comment "Internal speaker"
+	EnableSequence [
+		cset "name='AIF1 DA0 Stereo Playback Route' Mix Mono"
+		cset "name='Line Out Playback Switch' on"
+		cset "name='Line Out Playback Volume' 100%"
+	]
+
+	DisableSequence [
+		cset "name='Line Out Playback Switch' off"
+	]
+
+	Value {
+		PlaybackVolume "Line Out Playback Volume"
+		PlaybackSwitch "Line Out Playback Switch"
+		PlaybackChannels 2
+		PlaybackPriority 300
+		PlaybackPCM "hw:${CardId},0"
+	}
+}
+SectionDevice."Earpiece" {
+	Comment "Internal Earpiece"
+	EnableSequence [
+		cset "name='AIF1 DA0 Stereo Playback Route' Mix Mono"
+		cset "name='Earpiece Playback Switch' on"
+		cset "name='Earpiece Playback Volume' 100%"
+	]
+
+	DisableSequence [
+		cset "name='Earpiece Playback Switch' off"
+	]
+
+	Value {
+		PlaybackVolume "Earpiece Playback Volume"
+		PlaybackSwitch "Earpiece Playback Switch"
+		PlaybackChannels 2
+		PlaybackPriority 500
+		PlaybackPCM "hw:${CardId},0"
+	}
+}
+SectionDevice."Mic" {
+	Comment "Internal Microphone"
+	ConflictingDevice [
+		"Headset"
+	]
+	EnableSequence [
+		cset "name='Mic1 Capture Switch' on"
+	]
+	DisableSequence [
+		cset "name='Mic1 Capture Switch' off"
+	]
+	Value {
+		CapturePriority 200
+		CapturePCM "hw:${CardId},0"
+		CaptureMixerElem "ADC"
+		CaptureVolume "ADC Capture Volume"
+		CaptureSwitch "Mic1 Capture Switch"
+		CaptureChannels 2
+	}
+}
+SectionDevice."Headset" {
+	Comment "Headset Microphone"
+	ConflictingDevice [
+		"Mic"
+	]
+	EnableSequence [
+		cset "name='Mic2 Capture Switch' on"
+	]
+	DisableSequence [
+		cset "name='Mic2 Capture Switch' off"
+	]
+	Value {
+		CapturePriority 500
+		CapturePCM "hw:${CardId},0"
+		CaptureChannels 2
+		CaptureMixerElem "ADC"
+		CaptureVolume "ADC Capture Volume"
+		CaptureSwitch "Mic2 Capture Switch"
+		JackControl "Headset Microphone Jack"
+	}
+}
+SectionDevice."Headphones" {
+	Comment "Headphones"
+	EnableSequence [
+		cset "name='AIF1 DA0 Stereo Playback Route' Stereo"
+		cset "name='Headphone Playback Switch' on"
+		cset "name='Headphone Playback Volume' 100%"
+	]
+
+	DisableSequence [
+		cset "name='Headphone Playback Switch' off"
+	]
+
+	Value {
+		PlaybackVolume "Headphone Playback Volume"
+		PlaybackSwitch "Headphone Playback Switch"
+		PlaybackChannels 2
+		PlaybackPriority 500
+		PlaybackPCM "hw:${CardId},0"
+		JackControl "Headphone Jack"
+	}
+}

machines/moby/ucm2/ucm.conf

@@ -0,0 +1,8 @@
+Syntax 3
+
+UseCasePath {
+	legacy {
+		Directory "PinePhone"
+		File "PinePhone.conf"
+	}
+}

machines/rescue/default.nix

@@ -0,0 +1,16 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    ./fs.nix
+  ];
+
+  boot.loader.generic-extlinux-compatible.enable = true;
+  boot.loader.efi.canTouchEfiVariables = false;
+  sane.image.extraBootFiles = [ pkgs.bootpart-uefi-x86_64 ];
+
+  users.users.dhcpcd.uid = config.sane.allocations.dhcpcd-uid;
+  users.groups.dhcpcd.gid = config.sane.allocations.dhcpcd-gid;
+
+  # docs: https://nixos.org/manual/nixos/stable/options.html#opt-system.stateVersion
+  system.stateVersion = "21.05";
+}

machines/rescue/fs.nix

@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/44445555-6666-7777-8888-999900001111";
+    fsType = "ext4";
+  };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/2222-3333";
+    fsType = "vfat";
+  };
+}

machines/servo/default.nix

@@ -6,32 +6,24 @@
     ./hardware.nix
     ./net.nix
     ./users.nix
-    ./services/ddns-he.nix
-    ./services/gitea.nix
-    ./services/ipfs.nix
-    ./services/jackett.nix
-    ./services/jellyfin.nix
-    ./services/matrix.nix
-    ./services/nginx.nix
-    ./services/nix-serve.nix
-    ./services/pleroma.nix
-    ./services/postfix.nix
-    ./services/postgres.nix
-    ./services/transmission.nix
+    ./services
   ];
 
-  colinsane.home-manager.enable = true;
-  colinsane.home-manager.extraPackages = [
+  sane.home-manager.enable = true;
+  sane.home-manager.extraPackages = [
+    # for administering services
     pkgs.matrix-synapse
+    pkgs.freshrss
   ];
-  colinsane.impermanence.enable = true;
-  colinsane.services.duplicity.enable = true;
+  sane.impermanence.enable = true;
+  sane.services.duplicity.enable = true;
+  sane.services.nixserve.enable = true;
 
-  # TODO: validate this
+  # TODO: look into the EFI stuff
   boot.loader.grub.enable = false;
   boot.loader.generic-extlinux-compatible.enable = true;
   boot.loader.efi.canTouchEfiVariables = false;
-  colinsane.image.extraBootFiles = [ pkgs.bootpart-u-boot-rpi-aarch64 ];
+  sane.image.extraBootFiles = [ pkgs.bootpart-u-boot-rpi-aarch64 ];
 
   sops.secrets.duplicity_passphrase = {
     sopsFile = ../../secrets/servo.yaml;

machines/servo/fs.nix

@@ -16,7 +16,7 @@
     device = "none";
     fsType = "tmpfs";
     options = [
-      "size=16G"
+      "size=40G"
       "mode=777"
       "defaults"
     ];
@@ -38,16 +38,6 @@
   #   options = [ "bind" ];
   # };
 
-  # TODO: does transmission handle symlinks?
-  fileSystems."/var/lib/transmission/Downloads" = {
-    device = "/var/lib/uninsane/media";
-    options = [ "bind" ];
-  };
-  fileSystems."/var/lib/transmission/.incomplete" = {
-    device = "/var/lib/uninsane/media/incomplete";
-    options = [ "bind" ];
-  };
-
   # in-memory compressed RAM (seems to be dynamically sized)
   zramSwap = {
     enable = true;

machines/servo/hardware.nix

@@ -3,9 +3,6 @@
 { pkgs, ... }:
 
 {
-  # enables non-free firmware
-  hardware.enableRedistributableFirmware = true;
-
   # i changed this becuse linux 5.10 didn't have rpi-400 device tree blob.
   # nixos-22.05 linux 5.15 DOES have these now.
   # it should be possible to remove this if desired, but i'm not sure how the rpi-specific kernel differs.
@@ -38,16 +35,6 @@
     "xhci_pci_renesas"
   ];
   # boot.initrd.compressor = "gzip";  # defaults to zstd
-  # hack in the `boot.shell_on_fail` arg since it doesn't seem to work otherwise
-  boot.initrd.preFailCommands = "allowShell=1";
-  # default: 4 (warn). 7 is debug
-  boot.consoleLogLevel = 7;
-  # boot.kernelParams = [
-  #   "boot.shell_on_fail"
-  #   # "boot.trace"
-  #   # "systemd.log_level=debug"
-  #   # "systemd.log_target=console"
-  # ];
 
   # ondemand power scaling keeps the cpu at low frequency when idle, and sets to max frequency
   # when load is detected. (v.s. the "performance" default, which always uses the max frequency)

machines/servo/services/default.nix

@@ -0,0 +1,18 @@
+{ ... }:
+{
+  imports = [
+    ./ddns-he.nix
+    ./freshrss.nix
+    ./gitea.nix
+    ./ipfs.nix
+    ./jackett.nix
+    ./jellyfin.nix
+    ./matrix
+    ./navidrome.nix
+    ./nginx.nix
+    ./pleroma.nix
+    ./postfix.nix
+    ./postgres.nix
+    ./transmission.nix
+  ];
+}

machines/servo/services/freshrss.nix

@@ -0,0 +1,48 @@
+# import feeds with e.g.
+# ```console
+# $ nix build '.#nixpkgs.freshrss'
+# $ sudo -u freshrss -g freshrss FRESHRSS_DATA_PATH=/var/lib/freshrss ./result/cli/import-for-user.php --user admin --filename /home/colin/.config/newsflashFeeds.opml
+# ```
+#
+# export feeds with
+# ```console
+# $ sudo -u freshrss -g freshrss FRESHRSS_DATA_PATH=/var/lib/freshrss ./result/cli/export-opml-for-user.php --user admin
+# ```
+
+{ config, lib, pkgs, ... }:
+{
+  sops.secrets.freshrss_passwd = {
+    sopsFile = ../../../secrets/servo.yaml;
+    owner = config.users.users.freshrss.name;
+    mode = "400";
+  };
+  sane.impermanence.service-dirs = [
+    { user = "freshrss"; group = "freshrss"; directory = "/var/lib/freshrss"; }
+  ];
+
+  users.users.freshrss.uid = config.sane.allocations.freshrss-uid;
+  users.groups.freshrss.gid = config.sane.allocations.freshrss-gid;
+  services.freshrss.enable = true;
+  services.freshrss.baseUrl = "https://rss.uninsane.org";
+  services.freshrss.virtualHost = "rss.uninsane.org";
+  services.freshrss.passwordFile = config.sops.secrets.freshrss_passwd.path;
+
+  systemd.services.freshrss-import-feeds =
+  let
+    fresh = config.systemd.services.freshrss-config;
+    feeds = import ../../../modules/universal/env/feeds.nix { inherit lib; };
+    opml = pkgs.writeText "sane-freshrss.opml" (feeds.feedsToOpml feeds.all);
+  in {
+    inherit (fresh) wantedBy environment;
+    serviceConfig = {
+      inherit (fresh.serviceConfig) Type User Group StateDirectory WorkingDirectory
+        # hardening options
+        CapabilityBoundingSet DeviceAllow LockPersonality NoNewPrivileges PrivateDevices PrivateTmp PrivateUsers ProcSubset ProtectClock ProtectControlGroups ProtectHome ProtectHostname ProtectKernelLogs ProtectKernelModules ProtectKernelTunables ProtectProc ProtectSystem RemoveIPC RestrictNamespaces RestrictRealtime RestrictSUIDSGID SystemCallArchitectures SystemCallFilter UMask;
+    };
+    description = "import sane RSS feed list";
+    after = [ "freshrss-config.service" ];
+    script = ''
+      ${pkgs.freshrss}/cli/import-for-user.php --user admin --filename ${opml}
+    '';
+  };
+}

machines/servo/services/gitea.nix

@@ -1,6 +1,11 @@
-{ pkgs, lib, ... }:
+{ config, pkgs, lib, ... }:
 
 {
+  sane.impermanence.service-dirs = [
+    # TODO: mode? could be more granular
+    { user = "git"; group = "gitea"; directory = "/var/lib/gitea"; }
+  ];
+  users.groups.gitea.gid = config.sane.allocations.gitea-gid;
   services.gitea.enable = true;
   services.gitea.user = "git";  # default is 'gitea'
   services.gitea.database.type = "postgres";
@@ -8,7 +13,7 @@
   services.gitea.appName = "Perfectly Sane Git";
   services.gitea.domain = "git.uninsane.org";
   services.gitea.rootUrl = "https://git.uninsane.org/";
-  services.gitea.cookieSecure = true;
+  services.gitea.settings.session.COOKIE_SECURE = true;
   # services.gitea.disableRegistration = true;
 
   services.gitea.settings = {
@@ -55,7 +60,7 @@
     };
   };
   # options: "Trace", "Debug", "Info", "Warn", "Error", "Critical"
-  services.gitea.log.level = "Info";
+  services.gitea.settings.log.LEVEL = "Warn";
 
   systemd.services.gitea.serviceConfig = {
     # nix default is AF_UNIX AF_INET AF_INET6.

machines/servo/services/ipfs.nix

@@ -1,17 +1,29 @@
+# admin:
+# - view stats:
+#   - sudo -u ipfs -g ipfs ipfs -c /var/lib/ipfs/ stats bw
+#   - sudo -u ipfs -g ipfs ipfs -c /var/lib/ipfs/ stats dht
+#   - sudo -u ipfs -g ipfs ipfs -c /var/lib/ipfs/ bitswap stat
+# - number of open peer connections:
+#   - sudo -u ipfs -g ipfs ipfs -c /var/lib/ipfs/ swarm peers | wc -l
+
 { ... }:
 {
-  services.ipfs.enable = true;
-  services.ipfs.localDiscovery = true;
-  services.ipfs.swarmAddress = [
-    "/dns4/ipfs.uninsane.org/tcp/4001"
-    "/ip4/0.0.0.0/tcp/4001"
+  sane.impermanence.service-dirs = [
+    # TODO: mode? could be more granular
+    { user = "261"; group = "261"; directory = "/var/lib/ipfs"; }
+  ];
+  # services.ipfs.enable = true;
+  services.kubo.localDiscovery = true;
+  services.kubo.swarmAddress = [
+    # "/dns4/ipfs.uninsane.org/tcp/4001"
+    # "/ip4/0.0.0.0/tcp/4001"
     "/dns4/ipfs.uninsane.org/udp/4001/quic"
     "/ip4/0.0.0.0/udp/4001/quic"
   ];
-  services.ipfs.extraConfig = {
+  services.kubo.extraConfig = {
     Addresses = {
       Announce = [
-        "/dns4/ipfs.uninsane.org/tcp/4001"
+        # "/dns4/ipfs.uninsane.org/tcp/4001"
         "/dns4/ipfs.uninsane.org/udp/4001/quic"
       ];
     };
@@ -19,5 +31,39 @@
       # the gateway can only be used to serve content already replicated on this host
       NoFetch = true;
     };
+    Swarm = {
+      ConnMgr = {
+        # maintain between LowWater and HighWater peer connections
+        # taken from: https://github.com/ipfs/ipfs-desktop/pull/2055
+        # defaults are 600-900: https://github.com/ipfs/kubo/blob/master/docs/config.md#swarmconnmgr
+        LowWater = 20;
+        HighWater = 40;
+        # default is 20s. i guess more grace period = less churn
+        GracePeriod = "1m";
+      };
+      ResourceMgr = {
+        # docs: https://github.com/libp2p/go-libp2p-resource-manager#resource-scopes
+        Enabled = true;
+        Limits = {
+          System = {
+            Conns = 196;
+            ConnsInbound = 128;
+            ConnsOutbound = 128;
+            FD = 512;
+            Memory = 1073741824;  # 1GiB
+            Streams = 1536;
+            StreamsInbound = 1024;
+            StreamsOutbound = 1024;
+          };
+        };
+      };
+      Transports = {
+        Network = {
+          # disable TCP, force QUIC, for lighter resources
+          TCP = false;
+          QUIC = true;
+        };
+      };
+    };
   };
 }

machines/servo/services/jackett.nix

@@ -1,6 +1,10 @@
 { ... }:
 
 {
+  sane.impermanence.service-dirs = [
+    # TODO: mode? we only need this to save Indexer creds ==> migrate to config?
+    { user = "root"; group = "root"; directory = "/var/lib/jackett"; }
+  ];
   services.jackett.enable = true;
 
   systemd.services.jackett.after = ["wg0veth.service"];

machines/servo/services/jellyfin.nix

@@ -1,5 +1,14 @@
-{ ... }:
+{ config, ... }:
 
 {
-  services.jellyfin.enable = true;
+  sane.impermanence.service-dirs = [
+    # TODO: mode? could be more granular
+    { user = "jellyfin"; group = "jellyfin"; directory = "/var/lib/jellyfin"; }
+  ];
+
+  # users.users.jellyfin.uid = config.sane.allocations.jellyfin-uid;
+  # users.groups.jellyfin.gid = config.sane.allocations.jellyfin-gid;
+  # TODO: re-enable after migrating media dir to /var/lib/uninsane/media
+  # else it's too spammy
+  # services.jellyfin.enable = true;
 }

machines/servo/services/matrix/default.nix

@@ -0,0 +1,85 @@
+# docs: https://nixos.wiki/wiki/Matrix
+# docs: https://nixos.org/manual/nixos/stable/index.html#module-services-matrix-synapse
+{ config, lib, ... }:
+
+{
+  imports = [
+    ./discord-puppet.nix
+    # ./irc.nix
+  ];
+
+  sane.impermanence.service-dirs = [
+    { user = "matrix-synapse"; group = "matrix-synapse"; directory = "/var/lib/matrix-synapse"; }
+  ];
+  services.matrix-synapse.enable = true;
+  services.matrix-synapse.settings.log_config = ./synapse-log_level.yaml;
+  services.matrix-synapse.settings.server_name = "uninsane.org";
+
+  # services.matrix-synapse.enable_registration_captcha = true;
+  # services.matrix-synapse.enable_registration_without_verification = true;
+  services.matrix-synapse.settings.enable_registration = true;
+  # services.matrix-synapse.registration_shared_secret = "<shared key goes here>";
+
+  # default for listeners is port = 8448, tls = true, x_forwarded = false.
+  # we change this because the server is situated behind nginx.
+  services.matrix-synapse.settings.listeners = [
+    {
+      port = 8008;
+      bind_addresses = [ "127.0.0.1" ];
+      type = "http";
+      tls = false;
+      x_forwarded = true;
+      resources = [
+        {
+          names = [ "client" "federation" ];
+          compress = false;
+        }
+      ];
+    }
+  ];
+
+  services.matrix-synapse.settings.admin_contact = "admin.matrix@uninsane.org";
+  services.matrix-synapse.settings.registrations_require_3pid = [ "email" ];
+
+  services.matrix-synapse.extraConfigFiles = [
+    config.sops.secrets.matrix_synapse_secrets.path
+  ];
+
+  # services.matrix-synapse.extraConfigFiles = [builtins.toFile "matrix-synapse-extra-config" ''
+  #   admin_contact: "admin.matrix@uninsane.org"
+  #   registrations_require_3pid:
+  #     - email
+  #   email:
+  #     smtp_host: "mx.uninsane.org"
+  #     smtp_port: 587
+  #     smtp_user: "matrix-synapse"
+  #     smtp_pass: "${secrets.matrix-synapse.smtp_pass}"
+  #     require_transport_security: true
+  #     enable_tls: true
+  #     notif_from: "%(app)s <notify.matrix@uninsane.org>"
+  #     app_name: "Uninsane Matrix"
+  #     enable_notifs: true
+  #     validation_token_lifetime: 96h
+  #     invite_client_location: "https://web.matrix.uninsane.org"
+  #     subjects:
+  #       email_validation: "[%(server_name)s] Validate your email"
+  # ''];
+
+  # new users may be registered on the CLI:
+  #   register_new_matrix_user -c /nix/store/8n6kcka37jhmi4qpd2r03aj71pkyh21s-homeserver.yaml http://localhost:8008
+  #
+  # or provide an registration token then can use to register through the client.
+  #   docs: https://github.com/matrix-org/synapse/blob/develop/docs/usage/administration/admin_api/registration_tokens.md
+  # first, grab your own user's access token (Help & About section in Element). then:
+  #   curl --header "Authorization: Bearer <my_token>" localhost:8008/_synapse/admin/v1/registration_tokens
+  # create a token with unlimited uses:
+  #   curl -d '{}' --header "Authorization: Bearer <my_token>" localhost:8008/_synapse/admin/v1/registration_tokens/new
+  # create a token with limited uses:
+  #   curl -d '{ "uses_allowed": 1 }' --header "Authorization: Bearer <my_token>" localhost:8008/_synapse/admin/v1/registration_tokens/new
+
+
+  sops.secrets.matrix_synapse_secrets = {
+    sopsFile = ../../../../secrets/servo.yaml;
+    owner = config.users.users.matrix-synapse.name;
+  };
+}

machines/servo/services/matrix/discord-puppet.nix

@@ -0,0 +1,52 @@
+{ lib, ... }:
+{
+  sane.impermanence.service-dirs = [
+    { user = "matrix-synapse"; group = "matrix-synapse"; directory = "/var/lib/mx-puppet-discord"; }
+  ];
+
+  services.matrix-synapse.settings.app_service_config_files = [
+    # auto-created by mx-puppet-discord service
+    "/var/lib/mx-puppet-discord/discord-registration.yaml"
+  ];
+
+  services.mx-puppet-discord.enable = true;
+  # schema/example: <https://gitlab.com/mx-puppet/discord/mx-puppet-discord/-/blob/main/sample.config.yaml>
+  services.mx-puppet-discord.settings = {
+    bridge = {
+      # port = 8434
+      bindAddress = "127.0.0.1";
+      domain = "uninsane.org";
+      homeserverUrl = "http://127.0.0.1:8008";
+      # displayName = "mx-discord-puppet";  # matrix name for the bot
+      # matrix "groups" were an earlier version of spaces.
+      # maybe the puppet understands this, maybe not?
+      enableGroupSync = false;
+    };
+    presence = {
+      enabled = false;
+      interval = 30000;
+    };
+    provisioning = {
+      # allow these users to control the puppet
+      whitelist = [ "@colin:uninsane\\.org" ];
+    };
+    relay = {
+      whitelist = [ "@colin:uninsane\\.org" ];
+    };
+    selfService = {
+      # who's allowed to use plumbed rooms (idk what that means)
+      whitelist = [ "@colin:uninsane\\.org" ];
+    };
+    logging = {
+      # silly, debug, verbose, info, warn, error
+      console = "debug";
+    };
+  };
+
+  systemd.services.mx-puppet-discord.serviceConfig = {
+    # fix up to not use /var/lib/private, but just /var/lib
+    DynamicUser = lib.mkForce false;
+    User = "matrix-synapse";
+    Group = "matrix-synapse";
+  };
+}

machines/servo/services/matrix/irc.nix

@@ -1,80 +1,19 @@
-# docs: https://nixos.wiki/wiki/Matrix
-# docs: https://nixos.org/manual/nixos/stable/index.html#module-services-matrix-synapse
-{ config, ... }:
+{ config, lib, ... }:
 
 {
-  services.matrix-synapse.enable = true;
-  services.matrix-synapse.settings.server_name = "uninsane.org";
-
-  # services.matrix-synapse.enable_registration_captcha = true;
-  # services.matrix-synapse.enable_registration_without_verification = true;
-  services.matrix-synapse.settings.enable_registration = true;
-  # services.matrix-synapse.registration_shared_secret = "<shared key goes here>";
-
-  # default for listeners is port = 8448, tls = true, x_forwarded = false.
-  # we change this because the server is situated behind nginx.
-  services.matrix-synapse.settings.listeners = [
-    {
-      port = 8008;
-      bind_addresses = [ "127.0.0.1" ];
-      type = "http";
-      tls = false;
-      x_forwarded = true;
-      resources = [
-        {
-          names = [ "client" "federation" ];
-          compress = false;
-        }
-      ];
-    }
+  sane.impermanence.service-dirs = [
+    # TODO: mode?
+    # user and group are both "matrix-appservice-irc"
+    { user = "993"; group = "992"; directory = "/var/lib/matrix-appservice-irc"; }
   ];
 
-  services.matrix-synapse.settings.admin_contact = "admin.matrix@uninsane.org";
-  services.matrix-synapse.settings.registrations_require_3pid = [ "email" ];
-
-  services.matrix-synapse.extraConfigFiles = [
-    config.sops.secrets.matrix_synapse_secrets.path
-  ];
-
-  # services.matrix-synapse.extraConfigFiles = [builtins.toFile "matrix-synapse-extra-config" ''
-  #   admin_contact: "admin.matrix@uninsane.org"
-  #   registrations_require_3pid:
-  #     - email
-  #   email:
-  #     smtp_host: "mx.uninsane.org"
-  #     smtp_port: 587
-  #     smtp_user: "matrix-synapse"
-  #     smtp_pass: "${secrets.matrix-synapse.smtp_pass}"
-  #     require_transport_security: true
-  #     enable_tls: true
-  #     notif_from: "%(app)s <notify.matrix@uninsane.org>"
-  #     app_name: "Uninsane Matrix"
-  #     enable_notifs: true
-  #     validation_token_lifetime: 96h
-  #     invite_client_location: "https://web.matrix.uninsane.org"
-  #     subjects:
-  #       email_validation: "[%(server_name)s] Validate your email"
-  # ''];
   services.matrix-synapse.settings.app_service_config_files = [
     "/var/lib/matrix-appservice-irc/registration.yml"  # auto-created by irc appservice
   ];
 
-  # new users may be registered on the CLI:
-  #   register_new_matrix_user -c /nix/store/8n6kcka37jhmi4qpd2r03aj71pkyh21s-homeserver.yaml http://localhost:8008
-  #
-  # or provide an registration token then can use to register through the client.
-  #   docs: https://github.com/matrix-org/synapse/blob/develop/docs/usage/administration/admin_api/registration_tokens.md
-  # first, grab your own user's access token (Help & About section in Element). then:
-  #   curl --header "Authorization: Bearer <my_token>" localhost:8008/_synapse/admin/v1/registration_tokens
-  # create a token with unlimited uses:
-  #   curl -d '{}' --header "Authorization: Bearer <my_token>" localhost:8008/_synapse/admin/v1/registration_tokens/new
-  # create a token with limited uses:
-  #   curl -d '{ "uses_allowed": 1 }' --header "Authorization: Bearer <my_token>" localhost:8008/_synapse/admin/v1/registration_tokens/new
-
-  # IRC bridging
   # note: Rizon allows only FOUR simultaneous IRC connections per IP: https://wiki.rizon.net/index.php?title=Connection/Session_Limit_Exemptions
   # Rizon supports CertFP for auth: https://wiki.rizon.net/index.php?title=CertFP
-  # services.matrix-appservice-irc.enable = true;
+  services.matrix-appservice-irc.enable = true;
   services.matrix-appservice-irc.registrationUrl = "http://127.0.0.1:8009";
   # settings documented here: https://github.com/matrix-org/matrix-appservice-irc/blob/develop/config.sample.yaml
   services.matrix-appservice-irc.settings = {
@@ -155,9 +94,4 @@
       };
     };
   };
-
-  sops.secrets.matrix_synapse_secrets = {
-    sopsFile = ../../../secrets/servo.yaml;
-    owner = config.users.users.matrix-synapse.name;
-  };
 }

machines/servo/services/matrix/synapse-log_level.yaml

@@ -0,0 +1,27 @@
+version: 1
+
+# In systemd's journal, loglevel is implicitly stored, so let's omit it
+# from the message text.
+formatters:
+    journal_fmt:
+        format: '%(name)s: [%(request)s] %(message)s'
+
+filters:
+    context:
+        (): synapse.util.logcontext.LoggingContextFilter
+        request: ""
+
+handlers:
+    journal:
+        class: systemd.journal.JournalHandler
+        formatter: journal_fmt
+        filters: [context]
+        SYSLOG_IDENTIFIER: synapse
+
+# default log level: INFO
+root:
+    level: WARN
+    handlers: [journal]
+
+disable_existing_loggers: False
+

machines/servo/services/navidrome.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  sane.impermanence.service-dirs = [
+    { user = "navidrome"; group = "navidrome"; directory = "/var/lib/private/navidrome"; }
+  ];
+  services.navidrome.enable = true;
+  services.navidrome.settings = {
+    # docs: https://www.navidrome.org/docs/usage/configuration-options/
+    Address = "127.0.0.1";
+    Port = 4533;
+    MusicFolder = "/var/lib/uninsane/media/Music";
+    CovertArtPriority = "*.jpg, *.JPG, *.png, *.PNG, embedded";
+    AutoImportPlaylists = false;
+    ScanSchedule = "@every 1h";
+  };
+}

machines/servo/services/nginx.nix

@@ -6,13 +6,17 @@
 
   # web blog/personal site
   services.nginx.virtualHosts."uninsane.org" = {
-    root = "/var/lib/uninsane/root";
+    root = "${pkgs.uninsane-dot-org}/share/uninsane-dot-org";
     # a lot of places hardcode https://uninsane.org,
     # and then when we mix http + non-https, we get CORS violations
     # and things don't look right. so force SSL.
     forceSSL = true;
     enableACME = true;
 
+    # uninsane.org/share/foo => /var/lib/uninsane/root/share/foo.
+    # yes, nginx does not strip the prefix when evaluating against the root.
+    locations."/share".root = "/var/lib/uninsane/root";
+
     # allow matrix users to discover that @user:uninsane.org is reachable via matrix.uninsane.org
     locations."= /.well-known/matrix/server".extraConfig =
       let
@@ -213,6 +217,18 @@
     };
   };
 
+  services.nginx.virtualHosts."music.uninsane.org" = {
+    forceSSL = true;
+    enableACME = true;
+    locations."/".proxyPass = "http://127.0.0.1:4533";
+  };
+
+  services.nginx.virtualHosts."rss.uninsane.org" = {
+    addSSL = true;
+    enableACME = true;
+    # the routing is handled by freshrss.nix
+  };
+
   services.nginx.virtualHosts."ipfs.uninsane.org" = {
     # don't default to ssl upgrades, since this may be dnslink'd from a different domain.
     # ideally we'd disable ssl entirely, but some places assume it?
@@ -254,4 +270,12 @@
 
   security.acme.acceptTerms = true;
   security.acme.defaults.email = "admin.acme@uninsane.org";
+
+  users.users.acme.uid = config.sane.allocations.acme-uid;
+  users.groups.acme.gid = config.sane.allocations.acme-gid;
+  sane.impermanence.service-dirs = [
+    # TODO: mode?
+    { user = "acme"; group = "acme"; directory = "/var/lib/acme"; }
+    { user = "colin"; group = "users"; directory = "/var/lib/uninsane"; }
+  ];
 }

machines/servo/services/nix-serve.nix

@@ -1,15 +0,0 @@
-# docs: https://nixos.wiki/wiki/Binary_Cache
-# to copy something to this machine's nix cache, do:
-#   nix copy --to ssh://nixcache.uninsane.org PACKAGE
-{ config, ... }:
-
-{
-  services.nix-serve = {
-    enable = true;
-    secretKeyFile = config.sops.secrets.nix_serve_privkey.path;
-  };
-
-  sops.secrets.nix_serve_privkey = {
-    sopsFile = ../../../secrets/servo.yaml;
-  };
-}

machines/servo/services/pleroma.nix

@@ -4,18 +4,24 @@
 { config, pkgs, ... }:
 
 {
+  sane.impermanence.service-dirs = [
+    # TODO: mode? could be more granular
+    { user = "pleroma"; group = "pleroma"; directory = "/var/lib/pleroma"; }
+  ];
+  users.users.pleroma.uid = config.sane.allocations.pleroma-uid;
+  users.groups.pleroma.gid = config.sane.allocations.pleroma-gid;
   services.pleroma.enable = true;
   services.pleroma.secretConfigFile = config.sops.secrets.pleroma_secrets.path;
   services.pleroma.configs = [
     ''
     import Config
-    
+
     config :pleroma, Pleroma.Web.Endpoint,
       url: [host: "fed.uninsane.org", scheme: "https", port: 443],
       http: [ip: {127, 0, 0, 1}, port: 4000]
     #   secret_key_base: "{secrets.pleroma.secret_key_base}",
     #   signing_salt: "{secrets.pleroma.signing_salt}"
-    
+
     config :pleroma, :instance,
       name: "Perfectly Sane",
       description: "Single-user Pleroma instance",
@@ -41,7 +47,7 @@
       enabled: false,
       redirect_on_failure: true
       #base_url: "https://cache.pleroma.social"
-    
+
     config :pleroma, Pleroma.Repo,
       adapter: Ecto.Adapters.Postgres,
       username: "pleroma",
@@ -61,7 +67,7 @@
     #   private_key: "{secrets.pleroma.vapid_private_key}"
 
     # config :joken, default_signer: "{secrets.pleroma.joken_default_signer}"
-    
+
     config :pleroma, :database, rum_enabled: false
     config :pleroma, :instance, static_dir: "/var/lib/pleroma/instance/static"
     config :pleroma, Pleroma.Uploaders.Local, uploads: "/var/lib/pleroma/uploads"
@@ -80,11 +86,11 @@
     # Enable Strict-Transport-Security once SSL is working:
     config :pleroma, :http_security,
       sts: true
-    
+
     # docs: https://docs.pleroma.social/backend/configuration/cheatsheet/#logger
     config :logger,
       backends: [{ExSyslogger, :ex_syslogger}]
-    
+
     config :logger, :ex_syslogger,
       level: :warn
     #  level: :debug

machines/servo/services/postfix.nix

@@ -16,6 +16,11 @@ let
   };
 in
 {
+  sane.impermanence.service-dirs = [
+    # TODO: mode? could be more granular
+    { user = "opendkim"; group = "opendkim"; directory = "/var/lib/opendkim"; }
+    { user = "root"; group = "root"; directory = "/var/lib/postfix"; }
+  ];
   services.postfix.enable = true;
   services.postfix.hostname = "mx.uninsane.org";
   services.postfix.origin = "uninsane.org";

machines/servo/services/postgres.nix

@@ -1,6 +1,10 @@
 { ... }:
 
 {
+  sane.impermanence.service-dirs = [
+    # TODO: mode?
+    { user = "postgres"; group = "postgres"; directory = "/var/lib/postgresql"; }
+  ];
   services.postgresql.enable = true;
   # services.postgresql.dataDir = "/opt/postgresql/13";
   # XXX colin: for a proper deploy, we'd want to include something for Pleroma here too.

machines/servo/services/transmission.nix

@@ -1,6 +1,10 @@
 { ... }:
 
 {
+  sane.impermanence.service-dirs = [
+    # TODO: mode? we need this specifically for the stats tracking in .config/
+    { user = "transmission"; group = "transmission"; directory = "/var/lib/transmission"; }
+  ];
   services.transmission.enable = true;
   services.transmission.settings = {
     rpc-bind-address = "0.0.0.0";
@@ -29,6 +33,9 @@
     # see: https://git.zknt.org/mirror/transmission/commit/cfce6e2e3a9b9d31a9dafedd0bdc8bf2cdb6e876?lang=bg-BG
     anti-brute-force-enabled = false;
 
+    download-dir = "/var/lib/uninsane/media";
+    incomplete-dir = "/var/lib/uninsane/media/incomplete";
+
   };
   # transmission will by default not allow the world to read its files.
   services.transmission.downloadDirPermissions = "775";
@@ -37,6 +44,7 @@
   systemd.services.transmission.serviceConfig = {
     # run this behind the OVPN static VPN
     NetworkNamespacePath = "/run/netns/ovpns";
+    LogLevelMax = "warning";
   };
 }
 

machines/servo/users.nix

@@ -1,4 +1,4 @@
-{ ... }:
+{ config, ... }:
 
 # installer docs: https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/profiles/installation-device.nix
 {
@@ -12,6 +12,7 @@
     home = "/var/lib/gitea";
     useDefaultShell = true;
     group = "gitea";
+    uid = config.sane.allocations.git-uid;
     isSystemUser = true;
     # sendmail access (not 100% sure if this is necessary)
     extraGroups = [ "postdrop" ];

modules/default.nix

@@ -6,8 +6,9 @@
     ./hardware
     ./image.nix
     ./impermanence.nix
-    ./nix.nix
+    ./nixcache.nix
     ./services/duplicity.nix
+    ./services/nixserve.nix
     ./universal
   ];
 }

modules/gui/default.nix

@@ -2,7 +2,7 @@
 
 with lib;
 let
-  cfg = config.colinsane.gui;
+  cfg = config.sane.gui;
 in
 {
   imports = [
@@ -14,13 +14,16 @@ in
 
   options = {
     # doesn't directly create outputs. consumed by e.g. home-manager.nix module
-    colinsane.gui.enable = mkOption {
+    sane.gui.enable = mkOption {
       default = false;
       type = types.bool;
     };
   };
 
   config = lib.mkIf cfg.enable {
-    colinsane.home-manager.enable = true;
+    sane.home-packages.enableGuiPkgs = lib.mkDefault true;
+    sane.home-manager.enable = lib.mkDefault true;
+    # all GUIs use network manager?
+    users.users.nm-iodine.uid = config.sane.allocations.nm-iodine-uid;
   };
 }

modules/gui/gnome.nix

@@ -2,18 +2,28 @@
 
 with lib;
 let
-  cfg = config.colinsane.gui.gnome;
+  cfg = config.sane.gui.gnome;
 in
 {
   options = {
-    colinsane.gui.gnome.enable = mkOption {
+    sane.gui.gnome.enable = mkOption {
       default = false;
       type = types.bool;
     };
   };
 
   config = mkIf cfg.enable {
-    colinsane.gui.enable = true;
+    sane.gui.enable = true;
+
+    users.users.avahi.uid = config.sane.allocations.avahi-uid;
+    users.groups.avahi.gid = config.sane.allocations.avahi-gid;
+    users.users.colord.uid = config.sane.allocations.colord-uid;
+    users.groups.colord.gid = config.sane.allocations.colord-gid;
+    users.users.geoclue.uid = config.sane.allocations.geoclue-uid;
+    users.groups.geoclue.gid = config.sane.allocations.geoclue-gid;
+    users.users.rtkit.uid = config.sane.allocations.rtkit-uid;
+    users.groups.rtkit.gid = config.sane.allocations.rtkit-gid;
+
     # start gnome/gdm on boot
     services.xserver.enable = true;
     services.xserver.desktopManager.gnome.enable = true;

modules/gui/phosh.nix

@@ -1,19 +1,29 @@
-{ lib, config, ... }:
+{ lib, config, pkgs, ... }:
 
 with lib;
 let
-  cfg = config.colinsane.gui.phosh;
+  cfg = config.sane.gui.phosh;
 in
 {
   options = {
-    colinsane.gui.phosh.enable = mkOption {
+    sane.gui.phosh.enable = mkOption {
       default = false;
       type = types.bool;
     };
   };
 
   config = mkIf cfg.enable {
-    colinsane.gui.enable = true;
+    sane.gui.enable = true;
+
+    users.users.avahi.uid = config.sane.allocations.avahi-uid;
+    users.users.colord.uid = config.sane.allocations.colord-uid;
+    users.users.geoclue.uid = config.sane.allocations.geoclue-uid;
+    users.users.rtkit.uid = config.sane.allocations.rtkit-uid;
+    users.groups.avahi.gid = config.sane.allocations.avahi-gid;
+    users.groups.colord.gid = config.sane.allocations.colord-gid;
+    users.groups.geoclue.gid = config.sane.allocations.geoclue-gid;
+    users.groups.rtkit.gid = config.sane.allocations.rtkit-gid;
+
     # docs: https://github.com/NixOS/nixpkgs/blob/nixos-22.05/nixos/modules/services/x11/desktop-managers/phosh.nix
     services.xserver.desktopManager.phosh = {
       enable = true;
@@ -28,6 +38,15 @@ in
       };
     };
 
+    # XXX: phosh enables networkmanager by default; can probably disable these lines
+    networking.useDHCP = false;
+    networking.networkmanager.enable = true;
+    networking.wireless.enable = lib.mkForce false;
+
+    # XXX: not clear if these are actually needed?
+    hardware.bluetooth.enable = true;
+    services.blueman.enable = true;
+
     hardware.opengl.enable = true;
     hardware.opengl.driSupport = true;
 
@@ -39,5 +58,12 @@ in
       # phocConfig.xwayland should be disabled if you do this
       NIXOS_OZONE_WL = "1";
     };
+
+    sane.home-manager.extraPackages = with pkgs; [
+      phosh-mobile-settings
+
+      # TODO: see about removing this if the in-built gnome-settings bluetooth manager can work
+      gnome.gnome-bluetooth
+    ];
   };
 }

modules/gui/plasma-mobile.nix

@@ -2,18 +2,18 @@
  
 with lib;
 let
-  cfg = config.colinsane.gui.plasma-mobile;
+  cfg = config.sane.gui.plasma-mobile;
 in
 {
   options = {
-    colinsane.gui.plasma-mobile.enable = mkOption {
+    sane.gui.plasma-mobile.enable = mkOption {
       default = false;
       type = types.bool;
     };
   };
 
   config = mkIf cfg.enable {
-    colinsane.gui.enable = true;
+    sane.gui.enable = true;
     # start plasma-mobile on boot
     services.xserver.enable = true;
     services.xserver.desktopManager.plasma5.mobile.enable = true;

modules/gui/sway.nix

@@ -3,34 +3,48 @@
 # docs: https://nixos.wiki/wiki/Sway
 with lib;
 let
-  cfg = config.colinsane.gui.sway;
+  cfg = config.sane.gui.sway;
 in
 {
   options = {
-    colinsane.gui.sway.enable = mkOption {
+    sane.gui.sway.enable = mkOption {
       default = false;
       type = types.bool;
     };
   };
   config = mkIf cfg.enable {
-    colinsane.gui.enable = true;
+    sane.gui.enable = true;
+    users.users.greeter.uid = config.sane.allocations.greeter-uid;
+    users.groups.greeter.gid = config.sane.allocations.greeter-gid;
     programs.sway = {
       # we configure sway with home-manager, but this enable gets us e.g. opengl and fonts
       enable = true;
     };
 
-    # TODO: should be able to use SDDM to get interactive login
-    services.greetd = {
+    # alternatively, could use SDDM
+    services.greetd = let
+      swayConfig = pkgs.writeText "greetd-sway-config" ''
+        # `-l` activates layer-shell mode.
+        exec "${pkgs.greetd.gtkgreet}/bin/gtkgreet -l -c sway"
+      '';
+    in {
+      # greetd source/docs:
+      # - <https://git.sr.ht/~kennylevinsen/greetd>
       enable = true;
-      settings = rec {
-        initial_session = {
-          command = "${pkgs.sway}/bin/sway";
-          user = "colin";
+      settings = {
+        default_session = {
+          command = "${pkgs.sway}/bin/sway --config ${swayConfig}";
+          # alternatives:
+          # - TTY: `command = "${pkgs.greetd.greetd}/bin/agreety --cmd ${pkgs.sway}/bin/sway";`
+          # - autologin: `command = "${pkgs.sway}/bin/sway"; user = "colin";`
+          # - Dumb Login (doesn't work)": `command = "${pkgs.greetd.dlm}/bin/dlm";`
         };
-        default_session = initial_session;
       };
     };
 
+    # some programs (e.g. fractal) **require** a "Secret Service Provider"
+    services.gnome.gnome-keyring.enable = true;
+
     # unlike other DEs, sway configures no audio stack
     # administer with pw-cli, pw-mon, pw-top commands
     services.pipewire = {
@@ -47,12 +61,26 @@ in
     networking.networkmanager.enable = true;
     networking.wireless.enable = lib.mkForce false;
 
-    colinsane.home-manager.windowManager.sway = {
+    sane.home-manager.windowManager.sway = {
       enable = true;
       wrapperFeatures.gtk = true;
       config = rec {
         terminal = "${pkgs.kitty}/bin/kitty";
-        window.border = 3;  # pixel boundary between windows
+        window = {
+          border = 3; # pixel boundary between windows
+          hideEdgeBorders = "smart"; # don't show border if only window on workspace
+        };
+        output = {
+          ### DESKTOP
+          "Samsung Electric Company S22C300 0x00007F35" = { pos = "0,0"; res = "1920x1080"; };
+          "Goldstar Company Ltd LG ULTRAWIDE 0x00004E94" = { pos = "1920,0"; res = "3440x1440"; };
+
+          ### LAPTOP
+          # shen TV
+          "Pioneer Electronic Corporation VSX-524 0x00000101" = { pos = "0,0"; res = "1920x1080"; };
+          # internal display
+          "Unknown 0x0637 0x00000000" = { pos = "1920,0"; res = "1920x1080"; };
+        };
 
         # defaults; required for keybindings decl.
         modifier = "Mod1";
@@ -64,25 +92,27 @@ in
         down = "j";
         up = "k";
         right = "l";
+        # XKB key names: https://wiki.linuxquestions.org/wiki/List_of_Keysyms_Recognised_by_Xmodmap
         keybindings = {
           "${modifier}+Return" = "exec ${terminal}";
           "${modifier}+Shift+q" = "kill";
           "${modifier}+d" = "exec ${menu}";
+          "${modifier}+l" = "exec ${pkgs.swaylock}/bin/swaylock --indicator-idle-visible --indicator-radius 100 --indicator-thickness 30";
 
-          "${modifier}+${left}" = "focus left";
-          "${modifier}+${down}" = "focus down";
-          "${modifier}+${up}" = "focus up";
-          "${modifier}+${right}" = "focus right";
+          # "${modifier}+${left}" = "focus left";
+          # "${modifier}+${down}" = "focus down";
+          # "${modifier}+${up}" = "focus up";
+          # "${modifier}+${right}" = "focus right";
 
           "${modifier}+Left" = "focus left";
           "${modifier}+Down" = "focus down";
           "${modifier}+Up" = "focus up";
           "${modifier}+Right" = "focus right";
 
-          "${modifier}+Shift+${left}" = "move left";
-          "${modifier}+Shift+${down}" = "move down";
-          "${modifier}+Shift+${up}" = "move up";
-          "${modifier}+Shift+${right}" = "move right";
+          # "${modifier}+Shift+${left}" = "move left";
+          # "${modifier}+Shift+${down}" = "move down";
+          # "${modifier}+Shift+${up}" = "move up";
+          # "${modifier}+Shift+${right}" = "move right";
 
           "${modifier}+Shift+Left" = "move left";
           "${modifier}+Shift+Down" = "move down";
@@ -147,6 +177,9 @@ in
           XF86AudioLowerVolume = "exec '${pkgs.pulsemixer}/bin/pulsemixer --change-volume -5'";
           XF86AudioMute = "exec '${pkgs.pulsemixer}/bin/pulsemixer --toggle-mute'";
 
+          "${modifier}+Page_Up" = "exec '${pkgs.pulsemixer}/bin/pulsemixer --change-volume +5'";
+          "${modifier}+Page_Down" = "exec '${pkgs.pulsemixer}/bin/pulsemixer --change-volume -5'";
+
           "${modifier}+Print" = "exec '${pkgs.sway-contrib.grimshot}/bin/grimshot copy area'";
         };
 
@@ -163,7 +196,8 @@ in
             # names = [ "monospace" "Noto Color Emoji" ];
             # size = 8.0;
             # names = [ "Font Awesome 6 Free" "DejaVu Sans" "Hack" ];
-            names = with config.fonts.fontconfig.defaultFonts; (emoji ++ monospace ++ serif ++ sansSerif);
+            # names = with config.fonts.fontconfig.defaultFonts; (emoji ++ monospace ++ serif ++ sansSerif);
+            names = with config.fonts.fontconfig.defaultFonts; (monospace ++ emoji);
             size = 24.0;
           };
           trayOutput = "primary";
@@ -201,9 +235,10 @@ in
       };
     };
 
-    colinsane.home-manager.programs.waybar = {
+    sane.home-manager.programs.waybar = {
       enable = true;
       # docs: https://github.com/Alexays/Waybar/wiki/Configuration
+      # format specifiers: https://fmt.dev/latest/syntax.html#syntax
       settings = {
         mainBar = {
           layer = "top";
@@ -232,11 +267,20 @@ in
             on-scroll-down = "${pkgs.playerctl}/bin/playerctl previous";
           };
           network = {
-            interval = 1;
-            format-ethernet = "{ifname}: {ipaddr}/{cidr}   up: {bandwidthUpBits} down: {bandwidthDownBits}";
+            # docs: https://github.com/Alexays/Waybar/blob/master/man/waybar-network.5.scd
+            interval = 2;
+            max-length = 40;
+            # custom :> format specifier explained here: https://github.com/Alexays/Waybar/pull/472
+            format-ethernet = "  {bandwidthUpBits:>}▲ {bandwidthDownBits:>}▼";
+            tooltip-format-ethernet = "{ifname} {bandwidthUpBits:>}▲ {bandwidthDownBits:>}▼";
+
+            format-wifi = "{ifname} ({signalStrength}%) {bandwidthUpBits:>}▲ {bandwidthDownBits:>}▼";
+            tooltip-format-wifi = "{essid} ({signalStrength}%) {bandwidthUpBits:>}▲ {bandwidthDownBits:>}▼";
+
+            format-disconnected = "";
           };
           cpu = {
-            format = "{usage}% ";
+            format = " {usage:2}%";
             tooltip = false;
           };
           battery = {
@@ -259,6 +303,262 @@ in
           };
         };
       };
+      # style docs: https://github.com/Alexays/Waybar/wiki/Styling
+      style = ''
+        * {
+          font-family: monospace;
+        }
+
+        /* defaults below: https://github.com/Alexays/Waybar/blob/master/resources/style.css */
+        window#waybar {
+          background-color: rgba(43, 48, 59, 0.5);
+          border-bottom: 3px solid rgba(100, 114, 125, 0.5);
+          color: #ffffff;
+          transition-property: background-color;
+          transition-duration: .5s;
+        }
+
+        window#waybar.hidden {
+          opacity: 0.2;
+        }
+
+        /*
+        window#waybar.empty {
+          background-color: transparent;
+        }
+        window#waybar.solo {
+          background-color: #FFFFFF;
+        }
+        */
+
+        window#waybar.termite {
+          background-color: #3F3F3F;
+        }
+
+        window#waybar.chromium {
+          background-color: #000000;
+          border: none;
+        }
+
+        #workspaces button {
+          padding: 0 5px;
+          background-color: transparent;
+          color: #ffffff;
+          /* Use box-shadow instead of border so the text isn't offset */
+          box-shadow: inset 0 -3px transparent;
+          /* Avoid rounded borders under each workspace name */
+          border: none;
+          border-radius: 0;
+        }
+
+        /* https://github.com/Alexays/Waybar/wiki/FAQ#the-workspace-buttons-have-a-strange-hover-effect */
+        #workspaces button:hover {
+          background: rgba(0, 0, 0, 0.2);
+          box-shadow: inset 0 -3px #ffffff;
+        }
+
+        #workspaces button.focused {
+          background-color: #64727D;
+          box-shadow: inset 0 -3px #ffffff;
+        }
+
+        #workspaces button.urgent {
+          background-color: #eb4d4b;
+        }
+
+        #mode {
+          background-color: #64727D;
+          border-bottom: 3px solid #ffffff;
+        }
+
+        #clock,
+        #battery,
+        #cpu,
+        #memory,
+        #disk,
+        #temperature,
+        #backlight,
+        #network,
+        #pulseaudio,
+        #custom-media,
+        #tray,
+        #mode,
+        #idle_inhibitor,
+        #mpd {
+          padding: 0 10px;
+          color: #ffffff;
+        }
+
+        #window,
+        #workspaces {
+          margin: 0 4px;
+        }
+
+        /* If workspaces is the leftmost module, omit left margin */
+        .modules-left > widget:first-child > #workspaces {
+          margin-left: 0;
+        }
+
+        /* If workspaces is the rightmost module, omit right margin */
+        .modules-right > widget:last-child > #workspaces {
+          margin-right: 0;
+        }
+
+        #clock {
+          background-color: #64727D;
+        }
+
+        #battery {
+          background-color: #ffffff;
+          color: #000000;
+        }
+
+        #battery.charging, #battery.plugged {
+          color: #ffffff;
+          background-color: #26A65B;
+        }
+
+        @keyframes blink {
+          to {
+            background-color: #ffffff;
+            color: #000000;
+          }
+        }
+
+        #battery.critical:not(.charging) {
+          background-color: #f53c3c;
+          color: #ffffff;
+          animation-name: blink;
+          animation-duration: 0.5s;
+          animation-timing-function: linear;
+          animation-iteration-count: infinite;
+          animation-direction: alternate;
+        }
+
+        label:focus {
+          background-color: #000000;
+        }
+
+        #cpu {
+          background-color: #2ecc71;
+          color: #000000;
+        }
+
+        #memory {
+          background-color: #9b59b6;
+        }
+
+        #disk {
+          background-color: #964B00;
+        }
+
+        #backlight {
+          background-color: #90b1b1;
+        }
+
+        #network {
+          background-color: #2980b9;
+        }
+
+        #network.disconnected {
+          background-color: #f53c3c;
+        }
+
+        #pulseaudio {
+          background-color: #f1c40f;
+          color: #000000;
+        }
+
+        #pulseaudio.muted {
+          background-color: #90b1b1;
+          color: #2a5c45;
+        }
+
+        #custom-media {
+          background-color: #66cc99;
+          color: #2a5c45;
+          min-width: 100px;
+        }
+
+        #custom-media.custom-spotify {
+          background-color: #66cc99;
+        }
+
+        #custom-media.custom-vlc {
+          background-color: #ffa000;
+        }
+
+        #temperature {
+          background-color: #f0932b;
+        }
+
+        #temperature.critical {
+          background-color: #eb4d4b;
+        }
+
+        #tray {
+          background-color: #2980b9;
+        }
+
+        #tray > .passive {
+          -gtk-icon-effect: dim;
+        }
+
+        #tray > .needs-attention {
+          -gtk-icon-effect: highlight;
+          background-color: #eb4d4b;
+        }
+
+        #idle_inhibitor {
+          background-color: #2d3436;
+        }
+
+        #idle_inhibitor.activated {
+          background-color: #ecf0f1;
+          color: #2d3436;
+        }
+
+        #mpd {
+          background-color: #66cc99;
+          color: #2a5c45;
+        }
+
+        #mpd.disconnected {
+          background-color: #f53c3c;
+        }
+
+        #mpd.stopped {
+          background-color: #90b1b1;
+        }
+
+        #mpd.paused {
+          background-color: #51a37a;
+        }
+
+        #language {
+          background: #00b093;
+          color: #740864;
+          padding: 0 5px;
+          margin: 0 5px;
+          min-width: 16px;
+        }
+
+        #keyboard-state {
+          background: #97e1ad;
+          color: #000000;
+          padding: 0 0px;
+          margin: 0 5px;
+          min-width: 16px;
+        }
+
+        #keyboard-state > label {
+          padding: 0 5px;
+        }
+
+        #keyboard-state > label.locked {
+          background: rgba(0, 0, 0, 0.2);
+        }
+      '';
       # style = ''
       #   * {
       #     border: none;
@@ -280,9 +580,9 @@ in
       #   }
       # '';
     };
-    colinsane.home-manager.extraPackages = with pkgs; [
+    sane.home-manager.extraPackages = with pkgs; [
       swaylock
-      swayidle
+      swayidle  # (unused)
       wl-clipboard
       mako # notification daemon
       xdg-utils  # for xdg-open
@@ -290,6 +590,7 @@ in
       # pavucontrol
       sway-contrib.grimshot
       gnome.gnome-bluetooth
+      gnome.gnome-control-center
     ];
   };
 }

modules/hardware/all.nix

@@ -0,0 +1,40 @@
+{ lib, pkgs, ... }:
+
+{
+  boot.initrd.supportedFilesystems = [ "ext4" "btrfs" "ext2" "ext3" "vfat" ];
+  # useful emergency utils
+  boot.initrd.extraUtilsCommands = ''
+    copy_bin_and_libs ${pkgs.btrfs-progs}/bin/btrfstune
+  '';
+  boot.kernelParams = [ "boot.shell_on_fail" ];
+  # other kernelParams:
+  #   "boot.trace"
+  #   "systemd.log_level=debug"
+  #   "systemd.log_target=console"
+
+  # hack in the `boot.shell_on_fail` arg since that doesn't always seem to work.
+  boot.initrd.preFailCommands = "allowShell=1";
+
+  # default: 4 (warn). 7 is debug
+  boot.consoleLogLevel = 7;
+
+  boot.loader.grub.enable = lib.mkDefault false;
+  boot.loader.generic-extlinux-compatible.enable = lib.mkDefault true;
+
+  # non-free firmware
+  hardware.enableRedistributableFirmware = true;
+  services.fwupd.enable = true;
+
+  # powertop will default to putting USB devices -- including HID -- to sleep after TWO SECONDS
+  powerManagement.powertop.enable = false;
+
+  # services.snapper.configs = {
+  #   root = {
+  #     subvolume = "/";
+  #     extraConfig = {
+  #       ALLOW_USERS = "colin";
+  #     };
+  #   };
+  # };
+  # services.snapper.snapshotInterval = "daily";
+}

modules/hardware/default.nix

@@ -2,6 +2,7 @@
 
 {
   imports = [
+    ./all.nix
     ./x86_64.nix
   ];
 }

modules/hardware/x86_64.nix

@@ -1,4 +1,4 @@
-{ lib, pkgs, config, ... }:
+{ lib, pkgs, ... }:
 
 with lib;
 {
@@ -9,52 +9,18 @@ with lib;
       "nvme"  # to boot from nvme devices
       # efi_pstore evivars
     ];
-    boot.initrd.kernelModules = [ ];
-    boot.initrd.supportedFilesystems = [ "ext4" "btrfs" "ext2" "ext3" "vfat" ];
-    # useful emergency utils
-    boot.initrd.extraUtilsCommands = ''
-      copy_bin_and_libs ${pkgs.btrfs-progs}/bin/btrfstune
-    '';
-    boot.kernelModules = [
-      "coretemp"
-      "kvm-intel"
-      "kvm-amd"  # desktop
-      "amdgpu"   # desktop
-    ];
-    boot.extraModulePackages = [ ];
-    boot.kernelParams = [ "boot.shell_on_fail" ];
-    boot.consoleLogLevel = 7;
-
-    boot.loader.grub.enable = false;
-    # boot.loader.generic-extlinux-compatible.enable = true;
 
     # enable cross compilation
     boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+    # nixpkgs.config.allowUnsupportedSystem = true;
     # nixpkgs.crossSystem.system = "aarch64-linux";
 
     powerManagement.cpuFreqGovernor = "powersave";
-    hardware.enableRedistributableFirmware = true;
     hardware.cpu.amd.updateMicrocode = true;    # desktop
     hardware.cpu.intel.updateMicrocode = true;  # laptop
-    services.fwupd.enable = true;
-    # powertop will default to putting USB devices -- including HID -- to sleep after TWO SECONDS
-    powerManagement.powertop.enable = false;
 
     hardware.opengl.driSupport = true;
     # For 32 bit applications
     hardware.opengl.driSupport32Bit = true;
-
-    # TODO colin: does this *do* anything?
-    swapDevices = [ ];
-
-    # services.snapper.configs = {
-    #   root = {
-    #     subvolume = "/";
-    #     extraConfig = {
-    #       ALLOW_USERS = "colin";
-    #     };
-    #   };
-    # };
-    # services.snapper.snapshotInterval = "daily";
   };
 }

modules/image.nix

@@ -2,15 +2,29 @@
 
 with lib;
 let
-  cfg = config.colinsane.image;
+  cfg = config.sane.image;
 in
 {
   options = {
-    colinsane.image.extraBootFiles = mkOption {
+    # packages whose contents should be copied directly into the /boot partition.
+    # e.g. EFI loaders, u-boot bootloader, etc.
+    sane.image.extraBootFiles = mkOption {
       default = [];
       type = types.listOf types.package;
     };
-    colinsane.image.extraGPTPadding = mkOption {
+    # extra (empty) directories to create in the rootfs.
+    # for example, /var/log might be required by the boot process, so ensure it exists.
+    sane.image.extraDirectories = mkOption {
+      default = [];
+      type = types.listOf types.str;
+    };
+
+    # the GPT header is fixed to Logical Block Address 1,
+    # but we can actually put the partition entries anywhere.
+    # this option reserves so many bytes after LBA 1 but *before* the partition entries.
+    # this is not universally supported, but is an easy hack to claim space near the start
+    # of the disk for other purposes (e.g. firmware blobs)
+    sane.image.extraGPTPadding = mkOption {
       default = 0;
       # NB: rpi doesn't like non-zero values for this.
       # at the same time, spinning disks REALLY need partitions to be aligned to 4KiB boundaries.
@@ -18,7 +32,8 @@ in
       # default = 2014 * 512;  # standard is to start part0 at sector 2048  (versus 34 if no padding)
       type = types.int;
     };
-    colinsane.image.firstPartGap = mkOption {
+    # optional space (in bytes) to leave unallocated after the GPT structure and before the first partition.
+    sane.image.firstPartGap = mkOption {
       # align the first part to 16 MiB.
       # do this by inserting a gap of 16 MiB - gptHeaderSize
       # and then multiply by 1MiB and subtract 1 because mobile-nixos
@@ -26,7 +41,7 @@ in
       default = (16 * 1024 * 1024 - 34 * 512) * 1024 * 1024 - 1;
       type = types.nullOr types.int;
     };
-    colinsane.image.bootPartSize = mkOption {
+    sane.image.bootPartSize = mkOption {
       default = 512 * 1024 * 1024;
       type = types.int;
     };
@@ -37,6 +52,7 @@ in
       (builtins.substring 0 (builtins.stringLength sub) super) == sub
     );
     # return the (string) path to get from `stem` to `path`
+    # or errors if not a sub-path
     relPath = stem: path: (
       builtins.head (builtins.match "^${stem}(.+)" path)
     );
@@ -47,14 +63,6 @@ in
     # resolves to e.g. "nix/store", "/store" or ""
     storeRelPath = relPath nixFs.mountPoint "/nix/store";
 
-    # return a list of all the `device` values -- one for each fileSystems."$x"
-    devices = builtins.attrValues (builtins.mapAttrs (mount: entry: entry.device) fileSystems);
-    # filter the devices to just those which sit under nixFs
-    subNixMounts = builtins.filter (a: startsWith (builtins.toString a) nixFs.mountPoint) devices;
-    # e.g. ["/nix/persist/var"] -> ["/persist/var"] if nixFs sits at /nix
-    subNixRelMounts = builtins.map (m: relPath nixFs.mountPoint m) subNixMounts;
-    makeSubNixMounts = builtins.toString (builtins.map (m: "mkdir -p ./${m};") subNixRelMounts);
-
     uuidFromFs = fs: builtins.head (builtins.match "/dev/disk/by-uuid/(.+)" fs.device);
     vfatUuidFromFs = fs: builtins.replaceStrings ["-"] [""] (uuidFromFs fs);
 
@@ -104,11 +112,10 @@ in
           populateCommands =
           let
             closureInfo = buildPackages.closureInfo { rootPaths = config.system.build.toplevel; };
+            extraRelPaths = builtins.toString (builtins.map (p: "./" + builtins.toString(relPath nixFs.mountPoint p)) cfg.extraDirectories);
           in
           ''
-            mkdir -p ./${storeRelPath}
-            # TODO: we should create the dirs required for boot (/var/log?). the rest are populated automatically.
-            # $(makeSubNixMounts)
+            mkdir -p ./${storeRelPath} ${extraRelPaths}
             echo "Copying system closure..."
             while IFS= read -r path; do
               echo "  Copying $path"

modules/impermanence.nix

@@ -6,69 +6,85 @@
 
 with lib;
 let
-  cfg = config.colinsane.impermanence;
+  cfg = config.sane.impermanence;
 in
 {
-  imports = [
-    # TODO: move to flake.nix?
-    impermanence.nixosModule
-  ];
   options = {
-    colinsane.impermanence.enable = mkOption {
+    sane.impermanence.enable = mkOption {
       default = false;
       type = types.bool;
     };
+    sane.impermanence.home-files = mkOption {
+      default = [];
+      type = types.listOf types.str;
+    };
+    sane.impermanence.home-dirs = mkOption {
+      default = [];
+      type = types.listOf (types.either types.str (types.attrsOf types.str));
+    };
+    sane.impermanence.service-dirs = mkOption {
+      default = [];
+      type = types.listOf (types.either types.str (types.attrsOf types.str));
+    };
   };
 
-  config = mkIf cfg.enable {
-    environment.persistence."/nix/persist" = {
-      directories = [
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/archive"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/dev"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/records"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/ref"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/tmp"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/use"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/Music"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/Pictures"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/Videos"; }
+  config = let
+    map-dir = defaults: dir: if isString dir then
+        map-dir defaults { directory = "${defaults.directory}${dir}"; }
+      else
+        defaults // dir
+      ;
+    map-dirs = defaults: dirs: builtins.map (map-dir defaults) dirs;
 
+    map-home-dirs = map-dirs { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/"; };
+    map-sys-dirs = map-dirs { user = "root"; group = "root"; mode = "0755"; directory = ""; };
+    map-service-dirs = map-dirs { user = "root"; group = "root"; mode = "0755"; directory = ""; };
+
+    map-home-files = files: builtins.map (f: {
+      parentDirectory = {
+        user = "colin";
+        group = "users";
+        mode = "0755";
+      };
+      file = "/home/colin/${f}";
+    }) files;
+  in mkIf cfg.enable {
+    sane.image.extraDirectories = [ "/nix/persist/var/log" ];
+    environment.persistence."/nix/persist" = {
+      directories = (map-home-dirs ([
         # cache is probably too big to fit on the tmpfs
         # TODO: we could bind-mount it to something which gets cleared per boot, though.
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.cache"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.cargo"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.rustup"; }
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.ssh"; }
+        ".cache"
+        ".cargo"
+        ".rustup"
+        ".ssh"
+        ".local/share/keyrings"
         # intentionally omitted:
-        # "/home/colin/.config"  # managed by home-manager
-        # "/home/colin/.local"   # nothing useful in here
-        # "/home/colin/.mozilla" # managed by home-manager
-        # creds. TODO: can i manage this with home-manager?
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.config/spotify"; }
-        # creds, but also 200 MB of node modules, etc
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.config/discord"; }
-        # creds/session keys, etc
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.config/Element"; }
-
-        { user = "root"; group = "root"; mode = "0700"; directory = "/etc/NetworkManager/system-connections"; }
+        # ".config"  # managed by home-manager
+        # ".local"   # nothing useful in here
+      ] ++ cfg.home-dirs)) ++ (map-sys-dirs [
+        # TODO: this `0700` here clobbers the perms for /persist/etc, breaking boot on freshly-deployed devices
+        # { mode = "0700"; directory = "/etc/NetworkManager/system-connections"; }
         # "/etc/nixos"
-        { user = "root"; group = "root"; mode = "0755"; directory = "/etc/ssh"; }
+        # "/etc/ssh"  # persist only the specific files we want, instead
+        "/var/log"
+        "/var/backup"  # for e.g. postgres dumps
+      ]) ++ (map-service-dirs ([
         # "/var/lib/AccountsService"   # not sure what this is, but it's empty
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/alsa"; }                # preserve output levels, default devices
+        "/var/lib/alsa"                # preserve output levels, default devices
         # "/var/lib/blueman"           # files aren't human readable
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/bluetooth"; }           # preserve bluetooth handshakes
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/colord"; }              # preserve color calibrations (?)
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/duplicity"; }           # we need this mostly because of the size of duplicity's cache
+        "/var/lib/bluetooth"           # preserve bluetooth handshakes
+        "/var/lib/colord"              # preserve color calibrations (?)
         # "/var/lib/dhclient"          # empty on lappy; dunno about desko
         # "/var/lib/fwupd"             # not sure why this would need persistent state
         # "/var/lib/geoclue"           # empty on lappy
         # "/var/lib/lockdown"          # empty on desko; might store secrets after iOS handshake?
         # "/var/lib/logrotate.status"  # seems redundant with what's in /var/log?
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/machines"; }            # maybe not needed, but would be painful to add a VM and forget.
+        "/var/lib/machines"            # maybe not needed, but would be painful to add a VM and forget.
         # "/var/lib/misc"              # empty on lappy
         # "/var/lib/NetworkManager"    # looks to be mostly impermanent state?
         # "/var/lib/NetworkManager-fortisslvpn" # empty on lappy
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/nixos"; }               # has some uid/gid maps; not sure what happens if we lose this.
+        # "/var/lib/nixos"             # has some uid/gid maps, but we enforce these to be deterministic.
         # "/var/lib/PackageKit"        # wtf is this?
         # "/var/lib/power-profiles-daemon"  # redundant with nixos declarations
         # "/var/lib/private"           # empty on lappy
@@ -77,42 +93,34 @@ in
         # "/var/lib/upower"            # historic charge data. unnecessary, but maybe used somewhere?
         #
         # servo additions:
-        { user = "998"; group = "996"; mode = "0755"; directory = "/var/lib/acme"; }  # TODO: mode?
         # "/var/lib/dhparams"          # https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/security/dhparams.nix
         # "/var/lib/dovecot"
         # "/var/lib/duplicity"
-        { user = "994"; group = "993"; mode = "0755"; directory = "/var/lib/gitea"; } # TODO: mode? could be more granular
-        { user = "261"; group = "261"; mode = "0755"; directory = "/var/lib/ipfs"; }  # TODO: mode? could be more granular
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/jackett"; } # TODO: mode? we only need this to save Indexer creds ==> migrate to config?
-        { user = "996"; group = "994"; mode = "0755"; directory = "/var/lib/jellyfin"; } # TODO: mode? could be more granular
-        { user = "993"; group = "992"; mode = "0755"; directory = "/var/lib/matrix-appservice-irc"; } # TODO: mode?
-        { user = "224"; group = "224"; mode = "0755"; directory = "/var/lib/matrix-synapse"; } # TODO: mode?
-        { user = "221"; group = "221"; mode = "0755"; directory = "/var/lib/opendkim"; } # TODO: mode? move this to the nix config (SOPS)
-        { user = "997"; group = "995"; mode = "0755"; directory = "/var/lib/pleroma"; } # TODO: mode? could be more granular
-        { user = "71"; group = "71"; mode = "0755"; directory = "/var/lib/postgresql"; } # TODO: mode?
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/lib/postfix"; } # TODO: mode? could be more granular
-        { user = "70"; group = "70"; mode = "0755"; directory = "/var/lib/transmission"; } # TODO: mode? we need this specifically for the stats tracking in .config/
-        { user = "colin"; group = "users"; mode = "0755"; directory = "/var/lib/uninsane"; }
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/log"; }
-        { user = "root"; group = "root"; mode = "0755"; directory = "/var/backup"; }  # for e.g. postgres dumps
-        # TODO: what even GOES in /srv?
-        { user = "root"; group = "root"; mode = "0755"; directory = "/srv"; }
-      ];
+      ] ++ cfg.service-dirs));
       files = [
         "/etc/machine-id"
-        # "/home/colin/knowledge"
+        "/etc/ssh/ssh_host_ed25519_key"
+        "/etc/ssh/ssh_host_ed25519_key.pub"
+        "/etc/ssh/ssh_host_rsa_key"
+        "/etc/ssh/ssh_host_rsa_key.pub"
         "/home/colin/.zsh_history"
         # # XXX these only need persistence because i have mutableUsers = true, i think
         # "/etc/group"
         # "/etc/passwd"
         # "/etc/shadow"
-        # { file = "/home/test2"; persistentStoragePath = "/nix/persist"; }
-      ];
+      ] ++ map-home-files cfg.home-files;
     };
 
     systemd.services.sane-sops = {
+      # TODO: it would be better if we could inject the right dependency into setupSecrets instead of patching like this.
+      # /run/current-system/activate contains the precise ordering logic.
+      # it's largely unaware of systemd.
+      # maybe we could insert some activation script which simply waits for /etc/ssh to appear?
       description = "sops relies on /etc/ssh being available, so re-run its activation AFTER fs-local";
-      script = config.system.activationScripts.setupSecrets.text;
+      script = ''
+      ${config.system.activationScripts.setupSecrets.text}
+      ${config.system.activationScripts.linkIwdKeys.text}
+      '';
       after = [ "fs-local.target" ];
       wantedBy = [ "multi-user.target" ];
     };

modules/nixcache.nix

@@ -2,33 +2,30 @@
 
 with lib;
 let
-  cfg = config.colinsane.nixcache;
+  cfg = config.sane.nixcache;
 in
 {
   options = {
-    colinsane.nixcache.enable = mkOption {
+    sane.nixcache.enable = mkOption {
       default = false;
       type = types.bool;
     };
   };
 
-  config = {
+  config = mkIf cfg.enable {
     # use our own binary cache
-    nix.settings = mkIf cfg.enable {
+    nix.settings = {
       substituters = [
         "https://nixcache.uninsane.org"
+        "http://desko:5000"
         "https://nix-community.cachix.org"
         "https://cache.nixos.org/"
       ];
       trusted-public-keys = [
         "nixcache.uninsane.org:r3WILM6+QrkmsLgqVQcEdibFD7Q/4gyzD9dGT33GP70="
+        "desko:Q7mjjqoBMgNQ5P0e63sLur65A+D4f3Sv4QiycDIKxiI="
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
       ];
     };
-
-    # allow `nix flake ...` command
-    nix.extraOptions = ''
-      experimental-features = nix-command flakes
-    '';
   };
 }

modules/services/duplicity.nix

@@ -3,17 +3,20 @@
 
 with lib;
 let
-  cfg = config.colinsane.services.duplicity;
+  cfg = config.sane.services.duplicity;
 in
 {
   options = {
-    colinsane.services.duplicity.enable = mkOption {
+    sane.services.duplicity.enable = mkOption {
       default = false;
       type = types.bool;
     };
   };
 
   config = mkIf cfg.enable {
+    # we need this mostly because of the size of duplicity's cache
+    sane.impermanence.service-dirs = [ "/var/lib/duplicity" ];
+
     services.duplicity.enable = true;
     services.duplicity.targetUrl = ''"$DUPLICITY_URL"'';
     services.duplicity.escapeUrl = false;
@@ -29,6 +32,7 @@ in
     services.duplicity.secretFile = config.sops.secrets.duplicity_passphrase.path;
     # NB: manually trigger with `systemctl start duplicity`
     services.duplicity.frequency = "daily";
+    # TODO: this needs updating to handle impermanence changes
     services.duplicity.exclude = [
       # impermanent/inconsequential data:
       "/dev"

modules/services/nixserve.nix

@@ -0,0 +1,33 @@
+# docs: https://nixos.wiki/wiki/Binary_Cache
+# to copy something to this machine's nix cache, do:
+#   nix copy --to ssh://nixcache.uninsane.org PACKAGE
+{ config, lib, ... }:
+
+with lib;
+let
+  cfg = config.sane.services.nixserve;
+in
+{
+  options = {
+    sane.services.nixserve.enable = mkOption {
+      default = false;
+      type = types.bool;
+    };
+    sane.services.nixserve.sopsFile = mkOption {
+      default = ../../secrets/servo.yaml;
+      type = types.path;
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.nix-serve = {
+      enable = true;
+      secretKeyFile = config.sops.secrets.nix_serve_privkey.path;
+      openFirewall = true;  # not needed for servo; only desko
+    };
+
+    sops.secrets.nix_serve_privkey = {
+      sopsFile = cfg.sopsFile;
+    };
+  };
+}

modules/universal/allocations.nix

@@ -0,0 +1,61 @@
+{ lib, ... }:
+
+with lib;
+let
+  mkId = id: mkOption {
+    default = id;
+    type = types.int;
+  };
+in
+{
+  options = {
+    # legacy servo users, some are inconvenient to migrate
+    sane.allocations.dhcpcd-gid = mkId 991;
+    sane.allocations.dhcpcd-uid = mkId 992;
+    sane.allocations.gitea-gid = mkId 993;
+    sane.allocations.git-uid = mkId 994;
+    sane.allocations.jellyfin-gid = mkId 994;
+    sane.allocations.pleroma-gid = mkId 995;
+    sane.allocations.jellyfin-uid = mkId 996;
+    sane.allocations.acme-gid = mkId 996;
+    sane.allocations.pleroma-uid = mkId 997;
+    sane.allocations.acme-uid = mkId 998;
+    sane.allocations.greeter-uid = mkId 999;
+    sane.allocations.greeter-gid = mkId 999;
+
+    sane.allocations.freshrss-uid = mkId 2401;
+    sane.allocations.freshrss-gid = mkId 2401;
+
+    sane.allocations.colin-uid = mkId 1000;
+    sane.allocations.guest-uid = mkId 1100;
+
+    # found on all machines
+    sane.allocations.sshd-uid = mkId 2001;  # 997
+    sane.allocations.sshd-gid = mkId 2001;  # 997
+    sane.allocations.polkituser-gid = mkId 2002;  # 998
+    sane.allocations.systemd-coredump-gid = mkId 2003;  # 996
+    sane.allocations.nscd-uid = mkId 2004;
+    sane.allocations.nscd-gid = mkId 2004;
+    sane.allocations.systemd-oom-uid = mkId 2005;
+    sane.allocations.systemd-oom-gid = mkId 2005;
+
+    # found on graphical machines
+    sane.allocations.nm-iodine-uid = mkId 2101;  # desko/moby/lappy
+
+    # found on desko machine
+    sane.allocations.usbmux-uid = mkId 2204;
+    sane.allocations.usbmux-gid = mkId 2204;
+
+
+    # originally found on moby machine
+    sane.allocations.avahi-uid = mkId 2304;
+    sane.allocations.avahi-gid = mkId 2304;
+    sane.allocations.colord-uid = mkId 2305;
+    sane.allocations.colord-gid = mkId 2305;
+    sane.allocations.geoclue-uid = mkId 2306;
+    sane.allocations.geoclue-gid = mkId 2306;
+    sane.allocations.rtkit-uid = mkId 2307;
+    sane.allocations.rtkit-gid = mkId 2307;
+    sane.allocations.feedbackd-gid = mkId 2308;
+  };
+}

modules/universal/default.nix

@@ -2,8 +2,10 @@
 
 {
   imports = [
+    ./allocations.nix
+    ./env
     ./fs.nix
-    ./home-manager.nix
+    ./net.nix
     ./secrets.nix
     ./users.nix
     ./vpn.nix
@@ -23,11 +25,9 @@
     };
   };
 
-  # programs.vim.defaultEditor = true;
-  environment.variables = {
-    EDITOR = "vim";
-    # git claims it should use EDITOR, but it doesn't!
-    GIT_EDITOR = "vim";
-  };
+  # allow `nix flake ...` command
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
 }
 

modules/universal/env/default.nix

@@ -0,0 +1,36 @@
+{ pkgs, ... }:
+
+{
+  imports = [
+    ./home-manager.nix
+    ./home-packages.nix
+    ./system-packages.nix
+  ];
+
+  # programs.vim.defaultEditor = true;
+  environment.variables = {
+    EDITOR = "vim";
+    # git claims it should use EDITOR, but it doesn't!
+    GIT_EDITOR = "vim";
+    # TODO: these should be moved to `home.sessionVariables` (home-manager)
+    # Electron apps should use native wayland backend:
+    #   https://nixos.wiki/wiki/Slack#Wayland
+    # Discord under sway crashes with this.
+    # NIXOS_OZONE_WL = "1";
+    # LIBGL_ALWAYS_SOFTWARE = "1";
+  };
+  # enable zsh completions
+  environment.pathsToLink = [ "/share/zsh" ];
+  environment.systemPackages = with pkgs; [
+    # required for pam_mount
+    gocryptfs
+  ];
+
+  security.pam.mount.enable = true;
+  # security.pam.mount.debugLevel = 1;
+  # security.pam.enableSSHAgentAuth = true; # ??
+  # needed for `allow_other` in e.g. gocryptfs mounts
+  # or i guess going through mount.fuse sets suid so that's not necessary?
+  # programs.fuse.userAllowOther = true;
+}
+

modules/universal/env/feeds.nix

@@ -0,0 +1,175 @@
+{ lib }:
+
+let
+  hourly = { freq = "hourly"; };
+  daily = { freq = "daily"; };
+  weekly = { freq = "weekly"; };
+  infrequent = { freq = "infrequent"; };
+
+  art = { cat = "art"; };
+  humor = { cat = "humor"; };
+  pol = { cat = "pol"; };  # or maybe just "social"
+  rat = { cat = "rat"; };
+  tech = { cat = "tech"; };
+  uncat = { cat = "uncat"; };
+
+  text = { format = "text"; };
+  image = { format = "image"; };
+  podcast = { format = "podcast"; };
+
+  mkRss = format: url: { inherit url format; } // uncat // infrequent;
+  mkText = mkRss text;
+  mkImg = mkRss image;
+  mkPod = mkRss podcast;
+
+  # merge the attrs `new` into each value of the attrs `addTo`
+  addAttrs = new: addTo: builtins.mapAttrs (k: v: v // new) addTo;
+  # for each value in `attrs`, add a value to the child attrs which holds its key within the parent attrs.
+  withInverseMapping = key: attrs: builtins.mapAttrs (k: v: v // { "${key}" = k; }) attrs;
+in rec {
+  podcasts = [
+    (mkPod "https://lexfridman.com/feed/podcast/" // rat // weekly)
+    ## Astral Codex Ten
+    (mkPod "http://feeds.libsyn.com/108018/rss" // rat // daily)
+    ## Econ Talk
+    (mkPod "https://feeds.simplecast.com/wgl4xEgL" // rat // daily)
+    ## Cory Doctorow
+    (mkPod "https://feeds.feedburner.com/doctorow_podcast" // pol // infrequent)
+    (mkPod "https://congressionaldish.libsyn.com/rss" // pol // infrequent)
+    ## Civboot
+    (mkPod "https://anchor.fm/s/34c7232c/podcast/rss" // tech // infrequent)
+    (mkPod "https://feeds.feedburner.com/80000HoursPodcast" // rat // weekly)
+    (mkPod "https://allinchamathjason.libsyn.com/rss" // pol // weekly)
+    (mkPod "https://acquired.libsyn.com/rss" // tech // infrequent)
+    (mkPod "https://rss.acast.com/deconstructed" // pol // infrequent)
+    ## The Daily
+    (mkPod "https://feeds.simplecast.com/54nAGcIl" // pol // daily)
+    (mkPod "https://rss.acast.com/intercepted-with-jeremy-scahill" // pol // weekly)
+    (mkPod "https://podcast.posttv.com/itunes/post-reports.xml" // pol // weekly)
+    ## Eric Weinstein
+    (mkPod "https://rss.art19.com/the-portal" // rat // infrequent)
+    (mkPod "https://feeds.megaphone.fm/darknetdiaries" // tech // infrequent)
+    (mkPod "http://feeds.wnyc.org/radiolab" // pol // infrequent)
+    (mkPod "https://wakingup.libsyn.com/rss" // pol // infrequent)
+    ## 99% Invisible
+    (mkPod "https://feeds.simplecast.com/BqbsxVfO" // pol // infrequent)
+    (mkPod "https://rss.acast.com/ft-tech-tonic" // tech // infrequent)
+    (mkPod "https://feeds.feedburner.com/dancarlin/history?format=xml" // rat // infrequent)
+    ## 60 minutes (NB: this features more than *just* audio?)
+    (mkPod "https://www.cbsnews.com/latest/rss/60-minutes" // pol // infrequent)
+  ];
+
+  texts = [
+    # AGGREGATORS (> 1 post/day)
+    (mkText "https://www.lesswrong.com/feed.xml" // rat // hourly)
+    (mkText "http://www.econlib.org/index.xml" // pol // hourly)
+
+    # AGGREGATORS (< 1 post/day)
+    (mkText "https://palladiummag.com/feed" // uncat // weekly)
+    (mkText "https://profectusmag.com/feed" // uncat // weekly)
+    (mkText "https://semiaccurate.com/feed" // tech // weekly)
+    (mkText "https://linuxphoneapps.org/blog/atom.xml" // tech // infrequent)
+    (mkText "https://spectrum.ieee.org/rss" // tech // weekly)
+
+    ## No Moods, Ads or Cutesy Fucking Icons
+    (mkText "https://www.rifters.com/crawl/?feed=rss2" // uncat // weekly)
+
+    # DEVELOPERS
+    (mkText "https://mg.lol/blog/rss/" // infrequent // tech)
+    ## Ken Shirriff
+    (mkText "https://www.righto.com/feeds/posts/default" // tech // infrequent)
+    ## Vitalik Buterin
+    (mkText "https://vitalik.ca/feed.xml" // tech // infrequent)
+    ## ian (Sanctuary)
+    (mkText "https://sagacioussuricata.com/feed.xml" // tech // infrequent)
+    ## Bunnie Juang
+    (mkText "https://www.bunniestudios.com/blog/?feed=rss2" // tech // infrequent)
+    (mkText "https://blog.danieljanus.pl/atom.xml" // tech // infrequent)
+    (mkText "https://ianthehenry.com/feed.xml" // tech // infrequent)
+    (mkText "https://bitbashing.io/feed.xml" // tech // infrequent)
+    (mkText "https://idiomdrottning.org/feed.xml" // uncat // daily)
+
+    # (TECH; POL) COMMENTATORS
+    (mkText "http://benjaminrosshoffman.com/feed" // pol // weekly)
+    ## Ben Thompson
+    (mkText "https://www.stratechery.com/rss" // pol // weekly)
+    ## Balaji
+    (mkText "https://balajis.com/rss" // pol // weekly)
+    (mkText "https://www.ben-evans.com/benedictevans/rss.xml" // pol // weekly)
+    (mkText "https://www.lynalden.com/feed" // pol // infrequent)
+    (mkText "https://austinvernon.site/rss.xml" // tech // infrequent)
+    (mkText "https://oversharing.substack.com/feed" // pol // daily)
+    (mkText "https://doomberg.substack.com/feed" // tech // weekly)
+    ## David Rosenthal
+    (mkText "https://blog.dshr.org/rss.xml" // pol // weekly)
+    ## Matt Levine
+    (mkText "https://www.bloomberg.com/opinion/authors/ARbTQlRLRjE/matthew-s-levine.rss" // pol // weekly)
+
+    # RATIONALITY/PHILOSOPHY/ETC
+    (mkText "https://samkriss.substack.com/feed" // humor // infrequent)
+    (mkText "https://unintendedconsequenc.es/feed" // rat // infrequent)
+    (mkText "https://applieddivinitystudies.com/atom.xml" // rat // weekly)
+    (mkText "https://slimemoldtimemold.com/feed.xml" // rat // weekly)
+    (mkText "https://www.richardcarrier.info/feed" // rat // weekly)
+    (mkText "https://www.gwern.net/feed.xml" // uncat // infrequent)
+    ## Jason Crawford
+    (mkText "https://rootsofprogress.org/feed.xml" // rat // weekly)
+    ## Robin Hanson
+    (mkText "https://www.overcomingbias.com/feed" // rat // daily)
+    ## Scott Alexander
+    (mkText "https://astralcodexten.substack.com/feed.xml" // rat // daily)
+    ## Paul Christiano
+    (mkText "https://sideways-view.com/feed" // rat // infrequent)
+    ## Sean Carroll
+    (mkText "https://www.preposterousuniverse.com/rss" // rat // infrequent)
+
+    # CODE
+    (mkText "https://github.com/Kaiteki-Fedi/Kaiteki/commits/master.atom" // tech // infrequent)
+  ];
+
+  images = [
+    (mkImg "https://www.smbc-comics.com/comic/rss" // humor // daily)
+    (mkImg "https://xkcd.com/atom.xml" // humor // daily)
+    (mkImg "http://dilbert.com/feed" // humor // daily)
+
+    # ART
+    (mkImg "https://miniature-calendar.com/feed" // art // daily)
+  ];
+
+  all = texts ++ images ++ podcasts;
+
+  # return only the feed items which match this category (e.g. "tech")
+  filterCat = cat: feeds: builtins.filter (item: item.cat == cat) feeds;
+  # return only the feed items which match this format (e.g. "podcast")
+  filterFormat = format: feeds: builtins.filter (item: item.format == format) feeds;
+
+  # transform a list of feeds into an attrs mapping cat => [ feed0 feed1 ... ]
+  partitionByCat = feeds: builtins.groupBy (f: f.cat) feeds;
+
+  # represents a single RSS feed.
+  opmlTerminal = feed: ''<outline xmlUrl="${feed.url}" type="rss"/>'';
+  # a list of RSS feeds.
+  opmlTerminals = feeds: lib.strings.concatStringsSep "\n" (builtins.map opmlTerminal feeds);
+  # one node which packages some flat grouping of terminals.
+  opmlGroup = title: feeds: ''
+    <outline text="${title}" title="${title}">
+      ${opmlTerminals feeds}
+    </outline>
+  '';
+  # a list of groups (`groupMap` is an attrs mapping groupName => [ feed0 feed1 ... ]).
+  opmlGroups = groupMap: lib.strings.concatStringsSep "\n" (
+    builtins.attrValues (builtins.mapAttrs opmlGroup groupMap)
+  );
+  # top-level OPML file which could be consumed by something else.
+  opmlTopLevel = body: ''
+    <?xml version="1.0" encoding="utf-8"?>
+    <opml version="2.0">
+      <body>
+        ${body}
+      </body>
+    </opml>
+  '';
+
+  # **primary API**: generate a OPML file from the provided feeds
+  feedsToOpml = feeds: opmlTopLevel (opmlGroups (partitionByCat feeds));
+}

modules/universal/env/home-manager.nix

@@ -0,0 +1,528 @@
+# docs:
+#   https://rycee.gitlab.io/home-manager/
+#   https://rycee.gitlab.io/home-manager/options.html
+#   man home-configuration.nix
+#
+
+{ lib, config, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.sane.home-manager;
+  vim-swap-dir = ".cache/vim-swap";
+  # extract package from `extraPackages`
+  pkglist = pkgspec: builtins.map (e: e.pkg or e) pkgspec;
+  # extract `dir` from `extraPackages`
+  dirlist = pkgspec: builtins.concatLists (builtins.map (e: if e ? "dir" then [ e.dir ] else []) pkgspec);
+  # extract `persist-files` from `extraPackages`
+  persistfileslist = pkgspec: builtins.concatLists (builtins.map (e: if e ? "persist-files" then e.persist-files else []) pkgspec);
+  # TODO: dirlist and persistfileslist should be folded
+  feeds = import ./feeds.nix { inherit lib; };
+in
+{
+  options = {
+    sane.home-manager.enable = mkOption {
+      default = false;
+      type = types.bool;
+    };
+
+    # packages to deploy to the user's home
+    sane.home-manager.extraPackages = mkOption {
+      default = [ ];
+      # each entry can be either a package, or attrs:
+      #   { pkg = package; dir = optional string;
+      type = types.listOf (types.either types.package types.attrs);
+    };
+
+    # attributes to copy directly to home-manager's `wayland.windowManager` option
+    sane.home-manager.windowManager = mkOption {
+      default = {};
+      type = types.attrs;
+    };
+
+    # extra attributes to include in home-manager's `programs` option
+    sane.home-manager.programs = mkOption {
+      default = {};
+      type = types.attrs;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    sops.secrets."aerc_accounts" = {
+      owner = config.users.users.colin.name;
+      sopsFile = ../../../secrets/universal/aerc_accounts.conf;
+      format = "binary";
+    };
+    sops.secrets."sublime_music_config" = {
+      owner = config.users.users.colin.name;
+      sopsFile = ../../../secrets/universal/sublime_music_config.json.bin;
+      format = "binary";
+    };
+
+    sane.impermanence.home-dirs = [
+      "archive"
+      "dev"
+      "records"
+      "ref"
+      "tmp"
+      "use"
+      "Music"
+      "Pictures"
+      "Videos"
+      vim-swap-dir
+    ] ++ (dirlist cfg.extraPackages);
+    sane.impermanence.home-files = persistfileslist cfg.extraPackages;
+
+    home-manager.useGlobalPkgs = true;
+    home-manager.useUserPackages = true;
+
+    # XXX this weird rename + closure is to get home-manager's `config.lib.file` to exist.
+    # see: https://github.com/nix-community/home-manager/issues/589#issuecomment-950474105
+    home-manager.users.colin = let sysconfig = config; in { config, ... }: {
+
+      # run `home-manager-help` to access manpages
+      # or `man home-configuration.nix`
+      manual.html.enable = false;  # TODO: set to true later (build failure)
+      manual.manpages.enable = false;  # TODO: enable after https://github.com/nix-community/home-manager/issues/3344
+
+      home.packages = pkglist cfg.extraPackages;
+      wayland.windowManager = cfg.windowManager;
+
+      home.stateVersion = "21.11";
+      home.username = "colin";
+      home.homeDirectory = "/home/colin";
+
+      home.activation = {
+        initKeyring = {
+          after = ["writeBoundary"];
+          before = [];
+          data = "${../../../scripts/init-keyring}";
+        };
+      };
+
+      # XDG defines things like ~/Desktop, ~/Downloads, etc.
+      # these clutter the home, so i mostly don't use them.
+      xdg.userDirs = {
+        enable = true;
+        createDirectories = false;  # on headless systems, most xdg dirs are noise
+        desktop = "$HOME/.xdg/Desktop";
+        documents = "$HOME/dev";
+        download = "$HOME/tmp";
+        music = "$HOME/Music";
+        pictures = "$HOME/Pictures";
+        publicShare = "$HOME/.xdg/Public";
+        templates = "$HOME/.xdg/Templates";
+        videos = "$HOME/Videos";
+      };
+
+      # the xdg mime type for a file can be found with:
+      # - `xdg-mime query filetype path/to/thing.ext`
+      xdg.mimeApps.enable = true;
+      xdg.mimeApps.defaultApplications = let
+        www = "librewolf.desktop";
+        pdf = "org.gnome.Evince.desktop";
+        md = "obsidian.desktop";
+        thumb = "org.gnome.gThumb.desktop";
+        video = "vlc.desktop";
+        # audio = "mpv.desktop";
+        audio = "vlc.desktop";
+      in {
+        # HTML
+        "text/html" = [ www ];
+        "x-scheme-handler/http" = [ www ];
+        "x-scheme-handler/https" = [ www ];
+        "x-scheme-handler/about" = [ www ];
+        "x-scheme-handler/unknown" = [ www ];
+        # RICH-TEXT DOCUMENTS
+        "application/pdf" = [ pdf ];
+        "text/markdown" = [ md ];
+        # IMAGES
+        "image/heif" = [ thumb ];  # apple codec
+        "image/png" = [ thumb ];
+        "image/jpeg" = [ thumb ];
+        # VIDEO
+        "video/mp4" = [ video ];
+        "video/quicktime" = [ video ];
+        "video/x-matroska" = [ video ];
+        # AUDIO
+        "audio/flac" = [ audio ];
+        "audio/mpeg" = [ audio ];
+        "audio/x-vorbis+ogg" = [ audio ];
+      };
+
+      # convenience
+      home.file."knowledge".source = config.lib.file.mkOutOfStoreSymlink "/home/colin/dev/knowledge";
+      home.file."nixos".source = config.lib.file.mkOutOfStoreSymlink "/home/colin/dev/nixos";
+      home.file."Videos/servo".source = config.lib.file.mkOutOfStoreSymlink "/mnt/servo-media/Videos";
+      home.file."Videos/servo-incomplete".source = config.lib.file.mkOutOfStoreSymlink "/mnt/servo-media/incomplete";
+      home.file."Music/servo".source = config.lib.file.mkOutOfStoreSymlink "/mnt/servo-media/Music";
+
+      # nb markdown/personal knowledge manager
+      home.file.".nb/knowledge".source = config.lib.file.mkOutOfStoreSymlink "/home/colin/dev/knowledge";
+      home.file.".nb/.current".text = "knowledge";
+      home.file.".nbrc".text = ''
+        # manage with `nb settings`
+        export NB_AUTO_SYNC=0
+      '';
+
+      # uBlock filter list configuration.
+      # specifically, enable the GDPR cookie prompt blocker.
+      # data.toOverwrite.filterLists is additive (i.e. it supplements the default filters)
+      # this configuration method is documented here:
+      # - <https://github.com/gorhill/uBlock/issues/2986#issuecomment-364035002>
+      # the specific attribute path is found via scraping ublock code here:
+      # - <https://github.com/gorhill/uBlock/blob/master/src/js/storage.js>
+      # - <https://github.com/gorhill/uBlock/blob/master/assets/assets.json>
+      home.file.".librewolf/managed-storage/uBlock0@raymondhill.net.json".text = ''
+        {
+         "name": "uBlock0@raymondhill.net",
+         "description": "ignored",
+         "type": "storage",
+         "data": {
+            "toOverwrite": "{\"filterLists\": [\"fanboy-cookiemonster\"]}"
+         }
+        }
+      '';
+      home.file.".librewolf/librewolf.overrides.cfg".text = ''
+        // if we can't query the revocation status of a SSL cert because the issuer is offline,
+        // treat it as unrevoked.
+        // see: <https://librewolf.net/docs/faq/#im-getting-sec_error_ocsp_server_error-what-can-i-do>
+        defaultPref("security.OCSP.require", false);
+      '';
+
+      # aerc TUI mail client
+      xdg.configFile."aerc/accounts.conf".source =
+        config.lib.file.mkOutOfStoreSymlink sysconfig.sops.secrets.aerc_accounts.path;
+
+      # make Discord usable even when client is "outdated"
+      xdg.configFile."discord/settings.json".text = ''
+      {
+        "SKIP_HOST_UPDATE": true
+      }
+      '';
+
+      # sublime music player
+      xdg.configFile."sublime-music/config.json".source =
+        config.lib.file.mkOutOfStoreSymlink sysconfig.sops.secrets.sublime_music_config.path;
+
+      xdg.configFile."vlc/vlcrc".text =
+      let
+        podcastUrls = lib.strings.concatStringsSep "|" (
+          builtins.map (feed: feed.url) feeds.podcasts
+        );
+      in ''
+        [podcast]
+        podcast-urls=${podcastUrls}
+        [core]
+        metadata-network-access=0
+        [qt]
+        qt-privacy-ask=0
+      '';
+
+      xdg.configFile."gpodderFeeds.opml".text = with feeds;
+        feedsToOpml feeds.podcasts;
+
+      # news-flash RSS viewer
+      xdg.configFile."newsflashFeeds.opml".text = with feeds;
+        feedsToOpml (feeds.texts ++ feeds.images);
+
+      # gnome feeds RSS viewer
+      xdg.configFile."org.gabmus.gfeeds.json".text =
+      let
+        myFeeds = feeds.texts ++ feeds.images;
+      in builtins.toJSON {
+        # feed format is a map from URL to a dict,
+        #   with dict["tags"] a list of string tags.
+        feeds = builtins.foldl' (acc: feed: acc // {
+          "${feed.url}".tags = [ feed.cat feed.freq ];
+        }) {} myFeeds;
+        dark_reader = false;
+        new_first = true;
+        # windowsize = {
+        #   width = 350;
+        #   height = 650;
+        # };
+        max_article_age_days = 90;
+        enable_js = false;
+        max_refresh_threads = 3;
+        # saved_items = {};
+        # read_items = [];
+        show_read_items = true;
+        full_article_title = true;
+        # views: "webview", "reader", "rsscont"
+        default_view = "rsscont";
+        open_links_externally = true;
+        full_feed_name = false;
+        refresh_on_startup = true;
+        tags = lib.lists.unique (
+          (builtins.catAttrs "cat" myFeeds) ++ (builtins.catAttrs "freq" myFeeds)
+        );
+        open_youtube_externally = false;
+        media_player = "vlc";  # default: mpv
+      };
+
+      programs = {
+        home-manager.enable = true;  # this lets home-manager manage dot-files in user dirs, i think
+
+        zsh = {
+          enable = true;
+          enableSyntaxHighlighting = true;
+          enableVteIntegration = true;
+          history.ignorePatterns = [ "rm *" ];
+          # history.path = TODO
+          dotDir = ".config/zsh";
+
+          initExtraBeforeCompInit = ''
+            # p10k instant prompt
+            # run p10k configure to configure, but it can't write out its file :-(
+            POWERLEVEL9K_DISABLE_CONFIGURATION_WIZARD=true
+          '';
+          initExtra = ''
+            # zmv is a way to do rich moves/renames, with pattern matching/substitution.
+            # see for an example: <https://filipe.kiss.ink/zmv-zsh-rename/>
+            autoload -Uz zmv
+          '';
+
+          # prezto = oh-my-zsh fork; controls prompt, auto-completion, etc.
+          # see: https://github.com/sorin-ionescu/prezto
+          prezto = {
+            enable = true;
+            pmodules = [
+              "environment"
+              "terminal"
+              "editor"
+              "history"
+              "directory"
+              "spectrum"
+              "utility"
+              "completion"
+              "prompt"
+              "git"
+            ];
+            prompt = {
+              theme = "powerlevel10k";
+            };
+          };
+        };
+
+        kitty = {
+          enable = true;
+          # docs: https://sw.kovidgoyal.net/kitty/conf/
+          settings = {
+            # disable terminal bell (when e.g. you backspace too many times)
+            enable_audio_bell = false;
+          };
+          keybindings = {
+            "ctrl+n" = "new_os_window_with_cwd";
+          };
+          # docs: https://github.com/kovidgoyal/kitty-themes
+          # theme = "1984 Light";  # dislike: awful, harsh blues/teals
+          # theme = "Adventure Time";  # dislike: harsh (dark)
+          # theme = "Atom One Light";  # GOOD: light theme. all color combos readable. not a huge fan of the blue.
+          # theme = "Belafonte Day";  # dislike: too low contrast for text colors
+          # theme = "Belafonte Night";  # better: dark theme that's easy on the eyes. all combos readable. low contrast.
+          # theme = "Catppuccin";  # dislike: a bit pale/low-contrast (dark)
+          # theme = "Desert";  # mediocre: colors are harsh
+          # theme = "Earthsong";  # BEST: dark theme. readable, good contrast. unique, but decent colors.
+          # theme = "Espresso Libre";  # better: dark theme. readable, but meh colors
+          # theme = "Forest Night";  # decent: very pastel. it's workable, but unconventional and muted/flat.
+          # theme = "Gruvbox Material Light Hard";  # mediocre light theme.
+          # theme = "kanagawabones";  # better: dark theme. colors are too background-y
+          # theme = "Kaolin Dark";  # dislike: too dark
+          # theme = "Kaolin Breeze";  # mediocre: not-too-harsh light theme, but some parts are poor contrast
+          # theme = "Later This Evening";  # mediocre: not-too-harsh dark theme, but cursor is poor contrast
+          # theme = "Material"; # decent: light theme, few colors.
+          # theme = "Mayukai";  # decent: not-too-harsh dark theme. the teal is a bit straining
+          # theme = "Nord";  # mediocre: pale background, low contrast
+          # theme = "One Half Light";  # better: not-too-harsh light theme. contrast could be better
+          theme = "PaperColor Dark";  # BEST: dark theme, very readable still the colors are background-y
+          # theme = "Parasio Dark";  # dislike: too low contrast
+          # theme = "Pencil Light";  # better: not-too-harsh light theme. decent contrast.
+          # theme = "Pnevma";  # dislike: too low contrast
+          # theme = "Piatto Light";  # better: readable light theme. pleasing colors. powerline prompt is hard to read.
+          # theme = "Rosé Pine Dawn";  # GOOD: light theme. all color combinations are readable. it is very mild -- may need to manually tweak contrast. tasteful colors
+          # theme = "Rosé Pine Moon";  # GOOD: dark theme. tasteful colors. but background is a bit intense
+          # theme = "Sea Shells";  # mediocre. not all color combos are readable
+          # theme = "Solarized Light";  # mediocre: not-too-harsh light theme; GREAT background; but some colors are low contrast
+          # theme = "Solarized Dark Higher Contrast";  # better: dark theme, decent colors
+          # theme = "Sourcerer";  # mediocre: ugly colors
+          # theme = "Space Gray";  # mediocre: too muted
+          # theme = "Space Gray Eighties";  # better: all readable, decent colors
+          # theme = "Spacemacs";  # mediocre: too muted
+          # theme = "Spring";  # mediocre: readable light theme, but the teal is ugly.
+          # theme = "Srcery";  # better: highly readable. colors are ehhh
+          # theme = "Substrata";  # decent: nice colors, but a bit flat.
+          # theme = "Sundried";  # mediocre: the solar text makes me squint
+          # theme = "Symfonic";  # mediocre: the dark purple has low contrast to the black bg.
+          # theme = "Tango Light";  # dislike: teal is too grating
+          # theme = "Tokyo Night Day";  # medicore: too muted
+          # theme = "Tokyo Night";  # better: tasteful. a bit flat
+          # theme = "Tomorrow";  # GOOD: all color combinations are readable. contrast is slightly better than Rose. on the blander side
+          # theme = "Treehouse";  # dislike: the orange is harsh on my eyes.
+          # theme = "Urple";  # dislike: weird palette
+          # theme = "Warm Neon";  # decent: not-too-harsh dark theme. the green is a bit unattractive
+          # theme = "Wild Cherry";  # GOOD: dark theme: nice colors. a bit flat
+          # theme = "Xcodedark";  # dislike: bad palette
+          # theme = "citylights";  # decent: dark theme. some parts have just a bit low contrast
+          # theme = "neobones_light"; # better light theme. the background is maybe too muted
+          # theme = "vimbones";
+          # theme = "zenbones_dark";  # mediocre: readable, but meh colors
+          # theme = "zenbones_light";  # decent: light theme. all colors are readable. contrast is passable but not excellent. highlight color is BAD
+          # theme = "zenwritten_dark";  # mediocre: looks same as zenbones_dark
+          # extraConfig = "";
+        };
+
+        git = {
+          enable = true;
+          userName = "colin";
+          userEmail = "colin@uninsane.org";
+
+          aliases = { co = "checkout"; };
+          extraConfig = {
+            # difftastic docs:
+            # - <https://difftastic.wilfred.me.uk/git.html>
+            diff.tool = "difftastic";
+            difftool.prompt = false;
+            "difftool \"difftastic\"".cmd = ''${pkgs.difftastic}/bin/difft "$LOCAL" "$REMOTE"'';
+            # now run `git difftool` to use difftastic git
+          };
+        };
+
+        neovim = {
+          # neovim: https://github.com/neovim/neovim
+          enable = true;
+          viAlias = true;
+          vimAlias = true;
+          plugins = with pkgs.vimPlugins; [
+            # docs: surround-nvim: https://github.com/ur4ltz/surround.nvim/
+            # docs: vim-surround: https://github.com/tpope/vim-surround
+            vim-surround
+            # docs: fzf-vim (fuzzy finder): https://github.com/junegunn/fzf.vim
+            fzf-vim
+            # docs: https://github.com/KeitaNakamura/tex-conceal.vim/
+            ({
+              plugin = tex-conceal-vim;
+              type = "viml";
+              config = ''
+                " present prettier fractions
+                let g:tex_conceal_frac=1
+              '';
+            })
+            ({
+              plugin = vim-SyntaxRange;
+              type = "viml";
+              config = ''
+                " enable markdown-style codeblock highlighting for tex code
+                autocmd BufEnter * call SyntaxRange#Include('```tex', '```', 'tex', 'NonText')
+                " autocmd Syntax tex set conceallevel=2
+              '';
+            })
+            # nabla renders inline math in any document, but it's buggy.
+            #   https://github.com/jbyuki/nabla.nvim
+            # ({
+            #   plugin = pkgs.nabla;
+            #   type = "lua";
+            #   config = ''
+            #     require'nabla'.enable_virt()
+            #   '';
+            # })
+            # treesitter syntax highlighting: https://nixos.wiki/wiki/Tree_sitters
+            # docs: https://github.com/nvim-treesitter/nvim-treesitter
+            # config taken from: https://github.com/i077/system/blob/master/modules/home/neovim/default.nix
+            # this is required for tree-sitter to even highlight
+            ({
+              plugin = (nvim-treesitter.withPlugins (_: pkgs.tree-sitter.allGrammars));
+              type = "lua";
+              config = ''
+                require'nvim-treesitter.configs'.setup {
+                  highlight = {
+                    enable = true,
+                    -- disable treesitter on Rust so that we can use SyntaxRange
+                    -- and leverage TeX rendering in rust projects
+                    disable = { "rust", "tex", "latex" },
+                    -- disable = { "tex", "latex" },
+                    -- true to also use builtin vim syntax highlighting when treesitter fails
+                    additional_vim_regex_highlighting = false
+                  },
+                  incremental_selection = {
+                    enable = true,
+                    keymaps = {
+                      init_selection = "gnn",
+                      node_incremental = "grn",
+                      mcope_incremental = "grc",
+                      node_decremental = "grm"
+                    }
+                  },
+                  indent = {
+                    enable = true,
+                    disable = {}
+                  }
+                }
+
+                vim.o.foldmethod = 'expr'
+                vim.o.foldexpr = 'nvim_treesitter#foldexpr()'
+              '';
+            })
+          ];
+          extraConfig = ''
+            " let the terminal handle mouse events, that way i get OS-level ctrl+shift+c/etc
+            " this used to be default, until <https://github.com/neovim/neovim/pull/19290>
+            set mouse=
+
+            " copy/paste to system clipboard
+            set clipboard=unnamedplus
+
+            " screw tabs; always expand them into spaces
+            set expandtab
+
+            " at least don't open files with sections folded by default
+            set nofoldenable
+
+            " allow text substitutions for certain glyphs.
+            " higher number = more aggressive substitution (0, 1, 2, 3)
+            " i only make use of this for tex, but it's unclear how to
+            " apply that *just* to tex and retain the SyntaxRange stuff.
+            set conceallevel=2
+
+            " horizontal rule under the active line
+            " set cursorline
+
+            " highlight trailing space & related syntax errors (doesn't seem to work??)
+            " let c_space_errors=1
+            " let python_space_errors=1
+
+            " enable highlighting of leading/trailing spaces,
+            " and especially tabs
+            " source: https://www.reddit.com/r/neovim/comments/chlmfk/highlight_trailing_whitespaces_in_neovim/
+            set list
+            set listchars=tab:▷\·,trail:·,extends:◣,precedes:◢,nbsp:○
+          '';
+        };
+
+        # XXX: although home-manager calls this option `firefox`, we can use other browsers and it still mostly works.
+        firefox = lib.mkIf (sysconfig.sane.gui.enable) {
+          enable = true;
+          package = import ./web-browser.nix pkgs;
+        };
+
+        mpv = {
+          enable = true;
+          config = {
+            save-position-on-quit = true;
+            keep-open = "yes";
+          };
+        };
+
+        # "command not found" will cause the command to be searched in nixpkgs
+        nix-index.enable = true;
+      } // cfg.programs;
+
+      home.shellAliases = {
+        ":q" = "exit";
+        # common typos
+        "cd.." = "cd ..";
+        "cd../" = "cd ../";
+      };
+    };
+  };
+}

modules/universal/env/home-packages.nix

@@ -0,0 +1,181 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with pkgs;
+let
+  cfg = config.sane.home-packages;
+  universalPkgs = [
+    backblaze-b2
+    cdrtools
+    duplicity
+    gnupg
+    gocryptfs
+    ifuse
+    ipfs
+    libimobiledevice
+    libsecret  # for managing user keyrings
+    lm_sensors  # for sensors-detect
+    lshw
+    ffmpeg
+    nb
+    networkmanager
+    nixpkgs-review
+    # nixos-generators
+    # nettools
+    nmon
+    oathToolkit  # for oathtool
+    # ponymix
+    pulsemixer
+    python3
+    # python3Packages.eyeD3  # music tagging
+    sane-scripts
+    sequoia
+    snapper
+    sops
+    speedtest-cli
+    sqlite  # to debug sqlite3 databases
+    ssh-to-age
+    sudo
+    # tageditor  # music tagging
+    unar
+    visidata
+    w3m
+    wireguard-tools
+    # youtube-dl
+    yt-dlp
+  ];
+
+  guiPkgs = [
+    # GUI only
+    aerc  # email client
+    audacity
+    chromium
+    clinfo
+    electrum
+
+    # creds/session keys, etc
+    { pkg = element-desktop; dir = ".config/Element"; }
+
+    emote  # TODO: package [smile](https://github.com/mijorus/smile) for probably a better mobile experience.
+    evince  # works on phosh
+
+    # { pkg = fluffychat-moby; dir = ".local/share/chat.fluffy.fluffychat"; }  # TODO: ship normal fluffychat on non-moby?
+
+    foliate
+    font-manager
+
+    # XXX by default fractal stores its state in ~/.local/share/<UUID>.
+    # after logging in, manually change ~/.local/share/keyrings/... to point it to some predictable subdir.
+    # then reboot (so that libsecret daemon re-loads the keyring...?)
+    { pkg = fractal-next; dir = ".local/share/fractal"; }
+
+    gimp  # broken on phosh
+    gnome.cheese
+    gnome.dconf-editor
+    gnome-feeds  # RSS reader (with claimed mobile support)
+    gnome.file-roller
+    gnome.gnome-disk-utility
+    gnome.gnome-maps  # works on phosh
+    gnome.nautilus
+    # gnome-podcasts
+    gnome.gnome-system-monitor
+    gnome.gnome-terminal  # works on phosh
+    gnome.gnome-weather
+
+    { pkg = gpodder-configured; dir = "gPodder/Downloads"; }
+
+    gthumb
+    inkscape
+
+    kid3  # audio tagging
+    krita
+    libreoffice-fresh  # XXX colin: maybe don't want this on mobile
+    lollypop
+    mesa-demos
+
+    { pkg = mpv; dir = ".config/mpv/watch_later"; }
+
+    networkmanagerapplet
+
+    # not strictly necessary, but allows caching articles; offline use, etc.
+    { pkg = newsflash; dir = ".local/share/news-flash"; }
+
+    # settings (electron app). TODO: can i manage these settings with home-manager?
+    { pkg = obsidian; dir = ".config/obsidian"; }
+
+    pavucontrol
+    picard  # music tagging
+    playerctl
+    soundconverter
+    # sublime music persists any downloaded albums here.
+    # it doesn't obey a conventional ~/Music/{Artist}/{Album}/{Track} notation, so no symlinking
+    # config (e.g. server connection details) is persisted in ~/.config/sublime-music/config.json
+    #   possible to pass config as a CLI arg (sublime-music -c config.json)
+    { pkg = sublime-music; dir = ".local/share/sublime-music"; }
+    tdesktop  # broken on phosh
+
+    # vlc remembers play position in ~/.config/vlc/vlc-qt-interface.conf
+    { pkg = vlc; persist-files = [ ".config/vlc/vlc-qt-interface.conf" ]; }
+
+    whalebird # pleroma client. input is broken on phosh
+    xdg-utils  # for xdg-open
+    xterm  # broken on phosh
+  ]
+  ++ (if pkgs.system == "x86_64-linux" then
+  [
+    # x86_64 only
+
+    # creds, but also 200 MB of node modules, etc
+    (let discord = (pkgs.discord.override {
+      # XXX 2022-07-31: fix to allow links to open in default web-browser:
+      #   https://github.com/NixOS/nixpkgs/issues/78961
+      nss = pkgs.nss_latest;
+    }); in { pkg = discord; dir = ".config/discord"; })
+
+    # kaiteki  # Pleroma client
+    # gnome.zenity # for kaiteki (it will use qarma, kdialog, or zenity)
+
+    logseq
+    losslesscut-bin
+    makemkv
+
+    # actual monero blockchain (not wallet/etc; safe to delete, just slow to regenerate)
+    { pkg = monero-gui; dir = ".bitmonero"; }
+
+    # creds, media
+    { pkg = signal-desktop; dir = ".config/Signal"; }
+
+    # creds. TODO: can i manage this with home-manager?
+    { pkg = spotify; dir = ".config/spotify"; }
+
+    # hardenedMalloc solves a crash at startup
+    (tor-browser-bundle-bin.override { useHardenedMalloc = false; })
+
+    # zcash coins. safe to delete, just slow to regenerate (10-60 minutes)
+    { pkg = zecwallet-lite; dir = ".zcash"; }
+  ] else []);
+
+  # useful devtools:
+  # bison
+  # dtc
+  # flex
+  # gcc
+  # gcc-arm-embedded
+  # gcc_multi
+  # gnumake
+  # mix2nix
+  # rustup
+  # swig
+in
+{
+  options = {
+    sane.home-packages.enableGuiPkgs = mkOption {
+      default = false;
+      type = types.bool;
+    };
+  };
+  config = {
+    sane.home-manager.extraPackages = universalPkgs
+      ++ (if cfg.enableGuiPkgs then guiPkgs else []);
+  };
+}

modules/universal/env/system-packages.nix

@@ -0,0 +1,38 @@
+{ pkgs, ... }:
+{
+  # general-purpose utilities that we want any user to be able to access
+  #   (specifically: root, in case of rescue)
+  environment.systemPackages = with pkgs; [
+    btrfs-progs
+    cryptsetup
+    dig
+    efibootmgr
+    fatresize
+    fd
+    file
+    gptfdisk
+    hdparm
+    htop
+    iftop
+    inetutils  # for telnet
+    iotop
+    iptables
+    jq
+    killall
+    lsof
+    netcat
+    nethogs
+    nmap
+    openssl
+    parted
+    pciutils
+    powertop
+    ripgrep
+    screen
+    smartmontools
+    socat
+    usbutils
+    wget
+  ];
+}
+

modules/universal/env/web-browser.nix

@@ -0,0 +1,55 @@
+pkgs:
+
+# common settings to toggle (at runtime, in about:config):
+#   > security.ssl.require_safe_negotiation
+
+# librewolf is a forked firefox which patches firefox to allow more things
+# (like default search engines) to be configurable at runtime.
+# many of the settings below won't have effect without those patches.
+# see: https://gitlab.com/librewolf-community/settings/-/blob/master/distribution/policies.json
+pkgs.wrapFirefox pkgs.librewolf-unwrapped {
+  # inherit the default librewolf.cfg
+  # it can be further customized via ~/.librewolf/librewolf.overrides.cfg
+  inherit (pkgs.librewolf-unwrapped) extraPrefsFiles;
+  libName = "librewolf";
+  extraPolicies = {
+    NoDefaultBookmarks = true;
+    SearchEngines = {
+      Default = "DuckDuckGo";
+    };
+    AppUpdateURL = "https://localhost";
+    DisableAppUpdate = true;
+    OverrideFirstRunPage = "";
+    OverridePostUpdatePage = "";
+    DisableSystemAddonUpdate = true;
+    DisableFirefoxStudies = true;
+    DisableTelemetry = true;
+    DisableFeedbackCommands = true;
+    DisablePocket = true;
+    DisableSetDesktopBackground = false;
+    Extensions = {
+      Install = [
+        "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
+        "https://addons.mozilla.org/firefox/downloads/latest/sponsorblock/latest.xpi"
+        "https://addons.mozilla.org/firefox/downloads/latest/bypass-paywalls-clean/latest.xpi"
+        "https://addons.mozilla.org/firefox/downloads/latest/sidebery/latest.xpi"
+        "https://addons.mozilla.org/firefox/downloads/latest/ether-metamask/latest.xpi"
+      ];
+      # remove many default search providers
+      Uninstall = [
+        "google@search.mozilla.org"
+        "bing@search.mozilla.org"
+        "amazondotcom@search.mozilla.org"
+        "ebay@search.mozilla.org"
+        "twitter@search.mozilla.org"
+      ];
+    };
+    # XXX doesn't seem to have any effect...
+    # docs: https://github.com/mozilla/policy-templates#homepage
+    # Homepage = {
+    #   HomepageURL = "https://uninsane.org/";
+    #   StartPage = "homepage";
+    # };
+    # NewTabPage = true;
+  };
+}

modules/universal/fs.nix

@@ -1,33 +1,64 @@
 { pkgs, ... }:
 
-let sshOpts = {
+let sshOpts = rec {
   fsType = "fuse.sshfs";
-  options = [
+  optionsBase = [
     "x-systemd.automount"
     "_netdev"
     "user"
-    "idmap=user"
-    "transform_symlinks"
     "identityfile=/home/colin/.ssh/id_ed25519"
     "allow_other"
     "default_permissions"
+  ];
+  optionsColin = optionsBase ++ [
+    "transform_symlinks"
+    "idmap=user"
     "uid=1000"
     "gid=100"
   ];
+
+  optionsRoot = optionsBase ++ [
+    # we don't transform_symlinks because that breaks the validity of remote /nix stores
+    "sftp_server=/run/wrappers/bin/sudo\\040${pkgs.openssh}/libexec/sftp-server"
+  ];
 };
 in
 {
   fileSystems."/mnt/servo-media-wan" = {
     device = "colin@uninsane.org:/var/lib/uninsane/media";
-    inherit (sshOpts) fsType options;
+    inherit (sshOpts) fsType;
+    options = sshOpts.optionsColin;
+    noCheck = true;
   };
   fileSystems."/mnt/servo-media-lan" = {
     device = "colin@servo:/var/lib/uninsane/media";
-    inherit (sshOpts) fsType options;
+    inherit (sshOpts) fsType;
+    options = sshOpts.optionsColin;
+    noCheck = true;
+  };
+  fileSystems."/mnt/servo-root-wan" = {
+    device = "colin@uninsane.org:/";
+    inherit (sshOpts) fsType;
+    options = sshOpts.optionsRoot;
+    noCheck = true;
+  };
+  fileSystems."/mnt/servo-root-lan" = {
+    device = "colin@servo:/";
+    inherit (sshOpts) fsType;
+    options = sshOpts.optionsRoot;
+    noCheck = true;
   };
   fileSystems."/mnt/desko-home" = {
     device = "colin@desko:/home/colin";
-    inherit (sshOpts) fsType options;
+    inherit (sshOpts) fsType;
+    options = sshOpts.optionsColin;
+    noCheck = true;
+  };
+  fileSystems."/mnt/desko-root" = {
+    device = "colin@desko:/";
+    inherit (sshOpts) fsType;
+    options = sshOpts.optionsRoot;
+    noCheck = true;
   };
 
   environment.systemPackages = [

modules/universal/home-manager.nix

@@ -1,365 +0,0 @@
-# docs:
-#   https://rycee.gitlab.io/home-manager/
-#   https://rycee.gitlab.io/home-manager/options.html
-#   man home-configuration.nix
-#
-
-{ home-manager, lib, config, pkgs, ... }:
-
-with lib;
-let
-  cfg = config.colinsane.home-manager;
-in
-{
-  imports = [
-    home-manager.nixosModule
-  ];
-
-  options = {
-    colinsane.home-manager.enable = mkOption {
-      default = false;
-      type = types.bool;
-    };
-    colinsane.home-manager.extraPackages = mkOption {
-      default = [ ];
-      type = types.listOf types.package;
-    };
-    colinsane.home-manager.windowManager = mkOption {
-      default = {};
-      type = types.attrs;
-    };
-    colinsane.home-manager.programs = mkOption {
-      default = {};
-      type = types.attrs;
-    };
-  };
-
-  config = lib.mkIf cfg.enable {
-    sops.secrets."aerc_accounts" = {
-      owner = config.users.users.colin.name;
-      sopsFile = ../../secrets/universal/aerc_accounts.conf;
-      format = "binary";
-    };
-
-    home-manager.useGlobalPkgs = true;
-    home-manager.useUserPackages = true;
-
-    # XXX this weird rename + closure is to get home-manager's `config.lib.file` to exist.
-    # see: https://github.com/nix-community/home-manager/issues/589#issuecomment-950474105
-    home-manager.users.colin = let sysconfig = config; in { config, ... }: {
-      home.stateVersion = "21.11";
-      home.username = "colin";
-      home.homeDirectory = "/home/colin";
-
-      # XDG defines things like ~/Desktop, ~/Downloads, etc.
-      # these clutter the home, so i mostly don't use them.
-      xdg.userDirs = {
-        enable = true;
-        createDirectories = false;  # on headless systems, most xdg dirs are noise
-        desktop = "$HOME/.xdg/Desktop";
-        documents = "$HOME/dev";
-        download = "$HOME/tmp";
-        music = "$HOME/Music";
-        pictures = "$HOME/Pictures";
-        publicShare = "$HOME/.xdg/Public";
-        templates = "$HOME/.xdg/Templates";
-        videos = "$HOME/Videos";
-      };
-      xdg.mimeApps.enable = true;
-      xdg.mimeApps.defaultApplications = {
-        "text/html" = [ "librewolf.desktop" ];
-        "x-scheme-handler/http" = [ "librewolf.desktop" ];
-        "x-scheme-handler/https" = [ "librewolf.desktop" ];
-        "x-scheme-handler/about" = [ "librewolf.desktop" ];
-        "x-scheme-handler/unknown" = [ "librewolf.desktop" ];
-      };
-
-      # convenience
-      home.file."knowledge".source = config.lib.file.mkOutOfStoreSymlink "/home/colin/dev/knowledge";
-      home.file."nixos".source = config.lib.file.mkOutOfStoreSymlink "/home/colin/dev/nixos";
-
-      xdg.configFile."aerc/accounts.conf".source =
-        config.lib.file.mkOutOfStoreSymlink sysconfig.sops.secrets.aerc_accounts.path;
-
-      programs = {
-        home-manager.enable = true;  # this lets home-manager manage dot-files in user dirs, i think
-
-        zsh = {
-          enable = true;
-          enableSyntaxHighlighting = true;
-          enableVteIntegration = true;
-          dotDir = ".config/zsh";
-
-          initExtraBeforeCompInit = ''
-            # p10k instant prompt
-            # run p10k configure to configure, but it can't write out its file :-(
-            POWERLEVEL9K_DISABLE_CONFIGURATION_WIZARD=true
-          '';
-
-          # prezto = oh-my-zsh fork; controls prompt, auto-completion, etc.
-          # see: https://github.com/sorin-ionescu/prezto
-          prezto = {
-            enable = true;
-            pmodules = [
-              "environment"
-              "terminal"
-              "editor"
-              "history"
-              "directory"
-              "spectrum"
-              "utility"
-              "completion"
-              "prompt"
-              "git"
-            ];
-            prompt = {
-              theme = "powerlevel10k";
-            };
-          };
-        };
-        kitty = {
-          enable = true;
-          settings.enable_audio_bell = false;
-        };
-        git = {
-          enable = true;
-          userName = "colin";
-          userEmail = "colin@uninsane.org";
-        };
-
-        vim = {
-          enable = true;
-          extraConfig = ''
-            " wtf vim project: NOBODY LIKES MOUSE FOR VISUAL MODE
-            set mouse-=a
-            " copy/paste to system clipboard
-            set clipboard=unnamedplus
-            " <tab> completion menu settings
-            set wildmenu
-            set wildmode=longest,list,full
-            " highlight all matching searches (using / and ?)
-            set hlsearch
-            " allow backspace to delete empty lines in insert mode
-            set backspace=indent,eol,start
-            " built-in syntax highlighting
-            syntax enable
-            " show line/col number in bottom right
-            set ruler
-            " highlight trailing space & related syntax errors (does this work?)
-            let c_space_errors=1
-            let python_space_errors=1
-          '';
-        };
-
-        firefox = lib.mkIf (sysconfig.colinsane.gui.enable) {
-          # common settings to toggle (at runtime, in about:config):
-          #   > security.ssl.require_safe_negotiation
-          enable = true;
-          # librewolf is a forked firefox which patches firefox to allow more things
-          # (like default search engines) to be configurable at runtime.
-          # many of the settings below won't have effect without those patches.
-          # see: https://gitlab.com/librewolf-community/settings/-/blob/master/distribution/policies.json
-          package = pkgs.wrapFirefox pkgs.librewolf-unwrapped {
-            # inherit the default librewolf.cfg
-            # it can be further customized via ~/.librewolf/librewolf.overrides.cfg
-            inherit (pkgs.librewolf-unwrapped) extraPrefsFiles;
-            libName = "librewolf";
-            extraPolicies = {
-              NoDefaultBookmarks = true;
-              SearchEngines = {
-                Default = "DuckDuckGo";
-              };
-              AppUpdateURL = "https://localhost";
-              DisableAppUpdate = true;
-              OverrideFirstRunPage = "";
-              OverridePostUpdatePage = "";
-              DisableSystemAddonUpdate = true;
-              DisableFirefoxStudies = true;
-              DisableTelemetry = true;
-              DisableFeedbackCommands = true;
-              DisablePocket = true;
-              DisableSetDesktopBackground = false;
-              Extensions = {
-                Install = [
-                  "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
-                  "https://addons.mozilla.org/firefox/downloads/latest/i-dont-care-about-cookies/latest.xpi"
-                  "https://addons.mozilla.org/firefox/downloads/latest/sponsorblock/latest.xpi"
-                  "https://addons.mozilla.org/firefox/downloads/latest/bypass-paywalls-clean/latest.xpi"
-                  "https://addons.mozilla.org/firefox/downloads/latest/sidebery/latest.xpi"
-                  "https://addons.mozilla.org/firefox/downloads/latest/ether-metamask/latest.xpi"
-                ];
-                # remove many default search providers
-                Uninstall = [
-                  "google@search.mozilla.org"
-                  "bing@search.mozilla.org"
-                  "amazondotcom@search.mozilla.org"
-                  "ebay@search.mozilla.org"
-                  "twitter@search.mozilla.org"
-                ];
-              };
-              # XXX doesn't seem to have any effect...
-              # docs: https://github.com/mozilla/policy-templates#homepage
-              # Homepage = {
-              #   HomepageURL = "https://uninsane.org/";
-              #   StartPage = "homepage";
-              # };
-              # NewTabPage = true;
-              # docs: https://chromeenterprise.google/policies/?policy=ManagedBookmarks
-              # docs: https://github.com/mozilla/policy-templates#managedbookmarks
-              ManagedBookmarks = [
-                {
-                  toplevel_name = "bookmarks";
-                }
-                {
-                  name = "Pleroma";
-                  url = "https://fed.uninsane.org/";
-                }
-                {
-                  name = "Home Manager Config";
-                  url = "https://nix-community.github.io/home-manager/options.html";
-                }
-                {
-                  name = "Delightful Apps";
-                  url = "https://delightful.club/";
-                }
-                {
-                  name = "Linux Phone Apps";
-                  url = "https://linuxphoneapps.org/mobile-compatibility/5/";
-                }
-                {
-                  name = "Crowdsupply";
-                  url = "https://www.crowdsupply.com/";
-                }
-                {
-                  name = "Mempool";
-                  url = "https://jochen-hoenicke.de/queue";
-                }
-              ];
-            };
-          };
-        };
-
-        # "command not found" will cause the command to be searched in nixpkgs
-        nix-index.enable = true;
-      } // cfg.programs;
-
-      home.shellAliases = {
-        ":q" = "exit";
-        # common typos
-        "cd.." = "cd ..";
-        "cd../" = "cd ../";
-      };
-
-      wayland.windowManager = cfg.windowManager;
-
-      # devtools:
-      # bison
-      # dtc
-      # flex
-      # gcc-arm-embedded
-      # gcc_multi
-      # swig
-
-      home.packages = with pkgs; [
-        backblaze-b2
-        btrfs-progs
-        cryptsetup
-        dig
-        duplicity
-        efibootmgr
-        fatresize
-        fd
-        file
-        gcc
-        gnumake
-        gptfdisk
-        hdparm
-        htop
-        iftop
-        ifuse
-        inetutils  # for telnet
-        iotop
-        ipfs
-        iptables
-        jq
-        killall
-        libimobiledevice
-        lm_sensors  # for sensors-detect
-        lsof
-        mix2nix
-        netcat
-        nethogs
-        networkmanager
-        nixpkgs-review
-        # nixos-generators
-        # nettools
-        nmap
-        oathToolkit  # for oathtool
-        openssl
-        parted
-        pciutils
-        # ponymix
-        powertop
-        pulsemixer
-        python3
-        ripgrep
-        rmlint
-        rustup
-        sane-scripts
-        screen
-        smartmontools
-        snapper
-        socat
-        sops
-        ssh-to-age
-        sudo
-        usbutils
-        wget
-        wireguard-tools
-        youtube-dl
-        zola
-      ]
-      ++ (if sysconfig.colinsane.gui.enable then
-      with pkgs;
-      [
-        # GUI only
-        aerc  # email client
-        audacity
-        chromium
-        clinfo
-        element-desktop  # broken on phosh
-        evince  # works on phosh
-        font-manager
-        gimp  # broken on phosh
-        gnome.dconf-editor
-        gnome-feeds  # RSS reader (with claimed mobile support)
-        gnome.file-roller
-        gnome.gnome-maps  # works on phosh
-        gnome.nautilus
-        gnome-podcasts
-        gnome.gnome-terminal  # works on phosh
-        inkscape
-        libreoffice-fresh  # XXX colin: maybe don't want this on mobile
-        mesa-demos
-        networkmanagerapplet
-        obsidian
-        playerctl
-        tdesktop  # broken on phosh
-        vlc  # works on phosh
-        whalebird # pleroma client. input is broken on phosh
-        xterm  # broken on phosh
-      ] else [])
-      ++ (if sysconfig.colinsane.gui.enable && pkgs.system == "x86_64-linux" then
-      with pkgs;
-      [
-        # x86_64 only
-        discord
-        kaiteki  # Pleroma client
-        gnome.zenity # for kaiteki (it will use qarma, kdialog, or zenity)
-        signal-desktop
-        spotify
-      ] else [])
-      ++ cfg.extraPackages;
-    };
-  };
-}

modules/universal/net.nix

@@ -0,0 +1,69 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # if using router's DNS, these mappings will already exist.
+  # if using a different DNS provider (which servo does), then we need to explicity provide them.
+  # ugly hack. would be better to get servo to somehow use the router's DNS
+  networking.hosts = {
+    "192.168.0.5" = [ "servo" ];
+    "192.168.0.20" = [ "lappy" ];
+    "192.168.0.22" = [ "desko" ];
+    "192.168.0.48" = [ "moby" ];
+  };
+
+  # the default backend is "wpa_supplicant".
+  # wpa_supplicant reliably picks weak APs to connect to.
+  # see: <https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/474>
+  # iwd is an alternative that shouldn't have this problem
+  # docs:
+  # - <https://nixos.wiki/wiki/Iwd>
+  # - <https://iwd.wiki.kernel.org/networkmanager>
+  # use `iwctl` to control
+  networking.wireless.iwd.enable = true;
+  networking.networkmanager.wifi.backend = "iwd";
+
+  system.activationScripts.linkIwdKeys = let
+    unwrapped = ../../scripts/install-iwd;
+    install-iwd = pkgs.writeShellApplication {
+      name = "install-iwd";
+      runtimeInputs = with pkgs; [ coreutils gnused ];
+      text = ''${unwrapped} "$@"'';
+    };
+  in (lib.stringAfter
+    [ "setupSecrets" ]
+    ''
+    mkdir -p /var/lib/iwd
+    ${install-iwd}/bin/install-iwd /run/secrets/iwd /var/lib/iwd
+    ''
+  );
+
+  # TODO: use a glob, or a list, or something?
+  sops.secrets."iwd/community-university.psk" = {
+    sopsFile = ../../secrets/universal/net/community-university.psk.bin;
+    format = "binary";
+  };
+  sops.secrets."iwd/friend-libertarian-dod.psk" = {
+    sopsFile = ../../secrets/universal/net/friend-libertarian-dod.psk.bin;
+    format = "binary";
+  };
+  sops.secrets."iwd/friend-rationalist-empathist.psk" = {
+    sopsFile = ../../secrets/universal/net/friend-rationalist-empathist.psk.bin;
+    format = "binary";
+  };
+  sops.secrets."iwd/home-bedroom.psk" = {
+    sopsFile = ../../secrets/universal/net/home-bedroom.psk.bin;
+    format = "binary";
+  };
+  sops.secrets."iwd/home-shared-24G.psk" = {
+    sopsFile = ../../secrets/universal/net/home-shared-24G.psk.bin;
+    format = "binary";
+  };
+  sops.secrets."iwd/home-shared.psk" = {
+    sopsFile = ../../secrets/universal/net/home-shared.psk.bin;
+    format = "binary";
+  };
+  sops.secrets."iwd/iphone" = {
+    sopsFile = ../../secrets/universal/net/iphone.psk.bin;
+    format = "binary";
+  };
+}

modules/universal/secrets.nix

@@ -29,7 +29,7 @@
   #   $ cat /run/secrets/example_key
 
   # sops.age.sshKeyPaths = [ "/home/colin/.ssh/id_ed25519_dec" ];
-  # This will add secrets.yml to the nix store
+  # This will add secrets.yaml to the nix store
   # You can avoid this by adding a string to the full path instead, i.e.
   # sops.defaultSopsFile = "/root/.sops/secrets/example.yaml";
   sops.defaultSopsFile = ./../../secrets/universal.yaml;

modules/universal/users.nix

@@ -1,52 +1,132 @@
-{ pkgs, lib, ... }:
+{ config, pkgs, lib, ... }:
 
 # installer docs: https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/profiles/installation-device.nix
+with lib;
+let
+  cfg = config.sane.users;
+  # see nixpkgs/nixos/modules/services/networking/dhcpcd.nix
+  hasDHCP = config.networking.dhcpcd.enable &&
+    (config.networking.useDHCP || any (i: i.useDHCP == true) (attrValues config.networking.interfaces));
+
+in
 {
-  # Users are exactly these specified here;
-  # old ones will be deleted (from /etc/passwd, etc) upon upgrade.
-  users.mutableUsers = false;
-
-  # docs: https://nixpkgs-manual-sphinx-markedown-example.netlify.app/generated/options-db.xml.html#users-users
-  users.users.colin = {
-    # sets group to "users" (?)
-    isNormalUser = true;
-    home = "/home/colin";
-    uid = 1000;
-    # XXX colin: this is what the installer has, but is it necessary?
-    # group = "users";
-    extraGroups = [
-      "wheel"
-      "nixbuild"
-      "networkmanager"
-      # phosh/mobile. XXX colin: unsure if necessary
-      "video"
-      "feedbackd"
-      "dialout" # required for modem access
-    ];
-    initialPassword = lib.mkDefault "";
-    shell = pkgs.zsh;
-    # shell = pkgs.bashInteractive;
-    # XXX colin: create ssh key for THIS user by logging in and running:
-    #   ssh-keygen -t ed25519
-    openssh.authorizedKeys.keys = [
-      # TODO: is this key dead?
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGSDe/y0e9PSeUwYlMPjzhW0UhNsGAGsW3lCG3apxrD5 colin@colin.desktop"
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDpmFdNSVPRol5hkbbCivRhyeENzb9HVyf9KutGLP2Zu colin@lappy"
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPU5GlsSfbaarMvDA20bxpSZGWviEzXGD8gtrIowc1pX colin@desko"
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPS1qFzKurAdB9blkWomq8gI1g0T3sTs9LsmFOj5VtqX colin@servo"
-      # TODO: should probably only let this authenticate to my server
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGCLCA9KbjXaXNNMJJvqbPO5KQQ64JCdG8sg88AfdKzi colin@moby"
-    ];
+  options = {
+    sane.users.guest.enable = mkOption {
+      default = false;
+      type = types.bool;
+    };
   };
 
-  security.sudo = {
-    enable = true;
-    wheelNeedsPassword = false;
-  };
+  config = {
+    # Users are exactly these specified here;
+    # old ones will be deleted (from /etc/passwd, etc) upon upgrade.
+    users.mutableUsers = false;
 
-  services.openssh = {
-    enable = true;
-    permitRootLogin = "no";
-    passwordAuthentication = false;
+    # docs: https://nixpkgs-manual-sphinx-markedown-example.netlify.app/generated/options-db.xml.html#users-users
+    users.users.colin = {
+      # sets group to "users" (?)
+      isNormalUser = true;
+      home = "/home/colin";
+      uid = config.sane.allocations.colin-uid;
+      # i don't get exactly what this is, but nixos defaults to this non-deterministically
+      # in /var/lib/nixos/auto-subuid-map and i don't want that.
+      subUidRanges = [
+        { startUid=100000; count=1; }
+      ];
+      group = "users";
+      extraGroups = [
+        "wheel"
+        "nixbuild"
+        "networkmanager"
+        # phosh/mobile. XXX colin: unsure if necessary
+        "video"
+        "feedbackd"
+        "dialout" # required for modem access
+      ];
+      initialPassword = lib.mkDefault "";
+      shell = pkgs.zsh;
+      # shell = pkgs.bashInteractive;
+      # XXX colin: create ssh key for THIS user by logging in and running:
+      #   ssh-keygen -t ed25519
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDpmFdNSVPRol5hkbbCivRhyeENzb9HVyf9KutGLP2Zu colin@lappy"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPU5GlsSfbaarMvDA20bxpSZGWviEzXGD8gtrIowc1pX colin@desko"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPS1qFzKurAdB9blkWomq8gI1g0T3sTs9LsmFOj5VtqX colin@servo"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICrR+gePnl0nV/vy7I5BzrGeyVL+9eOuXHU1yNE3uCwU colin@moby"
+      ];
+
+      pamMount = {
+        # mount encrypted stuff at login
+        # requires that login password == fs encryption password
+        # fstype = "fuse";
+        # path = "${pkgs.gocryptfs}/bin/gocryptfs#/nix/persist/home/colin/private";
+        fstype = "fuse.gocryptfs";
+        path = "/nix/persist/home/colin/private";
+        mountpoint = "/home/colin/private";
+        options="nodev,nosuid,quiet,allow_other";
+      };
+    };
+
+    sane.impermanence.service-dirs = mkIf cfg.guest.enable [
+      { user = "guest"; group = "users"; directory = "/home/guest"; }
+    ];
+    users.users.guest = mkIf cfg.guest.enable {
+      isNormalUser = true;
+      home = "/home/guest";
+      uid = config.sane.allocations.guest-uid;
+      subUidRanges = [
+        { startUid=200000; count=1; }
+      ];
+      group = "users";
+      initialPassword = lib.mkDefault "";
+      shell = pkgs.zsh;
+      openssh.authorizedKeys.keys = [
+        # TODO: insert pubkeys that should be allowed in
+      ];
+    };
+
+    users.users.dhcpcd = mkIf hasDHCP {
+      uid = config.sane.allocations.dhcpcd-uid;
+    };
+    users.groups.dhcpcd = mkIf hasDHCP {
+      gid = config.sane.allocations.dhcpcd-gid;
+    };
+
+    security.sudo = {
+      enable = true;
+      wheelNeedsPassword = false;
+    };
+
+    services.openssh = {
+      enable = true;
+      permitRootLogin = "no";
+      passwordAuthentication = false;
+    };
+
+    # affix some UIDs which were historically auto-generated
+    users.users.sshd.uid = config.sane.allocations.sshd-uid;
+    users.groups.polkituser.gid = config.sane.allocations.polkituser-gid;
+    users.groups.sshd.gid = config.sane.allocations.sshd-gid;
+    users.groups.systemd-coredump.gid = config.sane.allocations.systemd-coredump-gid;
+    users.users.nscd.uid = config.sane.allocations.nscd-uid;
+    users.groups.nscd.gid = config.sane.allocations.nscd-gid;
+    users.users.systemd-oom.uid = config.sane.allocations.systemd-oom-uid;
+    users.groups.systemd-oom.gid = config.sane.allocations.systemd-oom-gid;
+
+    # guarantee determinism in uid/gid generation for users:
+    assertions = let
+      uidAssertions = builtins.attrValues (builtins.mapAttrs (name: user: {
+        assertion = user.uid != null;
+        message = "non-deterministic uid detected for: ${name}";
+      }) config.users.users);
+      gidAssertions = builtins.attrValues (builtins.mapAttrs (name: group: {
+        assertion = group.gid != null;
+        message = "non-deterministic gid detected for: ${name}";
+      }) config.users.groups);
+      autoSubAssertions = builtins.attrValues (builtins.mapAttrs (name: user: {
+        assertion = !user.autoSubUidGidRange;
+        message = "non-deterministic subUids/Guids detected for: ${name}";
+      }) config.users.users);
+    in uidAssertions ++ gidAssertions ++ autoSubAssertions;
   };
 }

modules/universal/vpn.nix

@@ -1,7 +1,7 @@
 { config, ... }:
 
 {
-  networking.wg-quick.interfaces.ovpnd = {
+  networking.wg-quick.interfaces.ovpnd-us = {
     address = [
       "172.27.237.218/32"
       "fd00:0000:1337:cafe:1111:1111:ab00:4c8f/128"
@@ -20,12 +20,39 @@
         publicKey = "VW6bEWMOlOneta1bf6YFE25N/oMGh1E1UFBCfyggd0k=";
       }
     ];
-    privateKeyFile = config.sops.secrets.wg_ovpnd_privkey.path;
-    # to start: `systemctl start wg-quick-ovpnd`
+    privateKeyFile = config.sops.secrets.wg_ovpnd_us_privkey.path;
+    # to start: `systemctl start wg-quick-ovpnd-us`
     autostart = false;
   };
 
-  sops.secrets."wg_ovpnd_privkey" = {
+  networking.wg-quick.interfaces.ovpnd-ukr = {
+    address = [
+      "172.18.180.159/32"
+      "fd00:0000:1337:cafe:1111:1111:ec5c:add3/128"
+    ];
+    dns = [
+      "46.227.67.134"
+      "192.165.9.158"
+    ];
+    peers = [
+      {
+        allowedIPs = [
+          "0.0.0.0/0"
+          "::/0"
+        ];
+        endpoint = "vpn96.prd.kyiv.ovpn.com:9929";
+        publicKey = "CjZcXDxaaKpW8b5As1EcNbI6+42A6BjWahwXDCwfVFg=";
+      }
+    ];
+    privateKeyFile = config.sops.secrets.wg_ovpnd_ukr_privkey.path;
+    # to start: `systemctl start wg-quick-ovpnd-ukr`
+    autostart = false;
+  };
+
+  sops.secrets."wg_ovpnd_us_privkey" = {
+    sopsFile = ../../secrets/universal.yaml;
+  };
+  sops.secrets."wg_ovpnd_ukr_privkey" = {
     sopsFile = ../../secrets/universal.yaml;
   };
 }

nixpatches/04-dart-2.7.0.patch

@@ -1,302 +0,0 @@
-diff --git a/pkgs/development/compilers/flutter/default.nix b/pkgs/development/compilers/flutter/default.nix
-index 9eba6773448..f51aeb8b624 100644
---- a/pkgs/development/compilers/flutter/default.nix
-+++ b/pkgs/development/compilers/flutter/default.nix
-@@ -4,20 +4,20 @@ let
-   getPatches = dir:
-     let files = builtins.attrNames (builtins.readDir dir);
-     in map (f: dir + ("/" + f)) files;
--  version = "2.10.1";
-+  version = "3.0.0";
-   channel = "stable";
-   filename = "flutter_linux_${version}-${channel}.tar.xz";
- 
-   # Decouples flutter derivation from dart derivation,
-   # use specific dart version to not need to bump dart derivation when bumping flutter.
--  dartVersion = "2.16.1";
-+  dartVersion = "2.17.0";
-   dartSourceBase = "https://storage.googleapis.com/dart-archive/channels";
-   dartForFlutter = dart.override {
-     version = dartVersion;
-     sources = {
-       "${dartVersion}-x86_64-linux" = fetchurl {
-         url = "${dartSourceBase}/stable/release/${dartVersion}/sdk/dartsdk-linux-x64-release.zip";
--        sha256 = "sha256-PMY6DCFQC8XrlnFzOEPcwgBAs5/cAvNd78969Z+I1Fk=";
-+        sha256 = "57b8fd964e47c81d467aeb95b099a670ab7e8f54a1cd74d45bcd1fdc77913d86";
-       };
-     };
-   };
-@@ -29,7 +29,7 @@ in {
-     pname = "flutter";
-     src = fetchurl {
-       url = "https://storage.googleapis.com/flutter_infra_release/releases/${channel}/linux/${filename}";
--      sha256 = "sha256-rSfwcglDV2rvJl10j7FByAWmghd2FYxrlkgYnvRO54Y=";
-+      sha256 = "e96d75ec8e7dc2a46bc8dad5a9e01c391ab9310ad01c4e3940c963dd263788a0";
-     };
-     patches = getPatches ./patches;
-   };
-diff --git a/pkgs/development/compilers/flutter/flutter.nix b/pkgs/development/compilers/flutter/flutter.nix
-index 43538ede339..ece25c14b55 100644
---- a/pkgs/development/compilers/flutter/flutter.nix
-+++ b/pkgs/development/compilers/flutter/flutter.nix
-@@ -56,12 +56,15 @@ let
-       export STAMP_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.stamp"
- 
-       export DART_SDK_PATH="${dart}"
-+      export DART="${dart}/bin/dart"
- 
-       HOME=../.. # required for pub upgrade --offline, ~/.pub-cache
-                  # path is relative otherwise it's replaced by /build/flutter
-+      # mkdir -p "$HOME/.cache"
-+      # ln -sf "$FLUTTER_ROOT" "$HOME/.cache/flutter"
- 
-       pushd "$FLUTTER_TOOLS_DIR"
--      ${dart}/bin/pub get --offline
-+      ${dart}/bin/dart pub get --offline
-       popd
- 
-       local revision="$(cd "$FLUTTER_ROOT"; git rev-parse HEAD)"
-diff --git a/pkgs/development/compilers/flutter/patches/git-dir.patch b/pkgs/development/compilers/flutter/patches/git-dir.patch
-new file mode 100644
-index 00000000000..0c736f945ea
---- /dev/null
-+++ b/pkgs/development/compilers/flutter/patches/git-dir.patch
-@@ -0,0 +1,102 @@
-+diff --git a/dev/bots/prepare_package.dart b/dev/bots/prepare_package.dart
-+index 468a91a954..5def6897ce 100644
-+--- a/dev/bots/prepare_package.dart
-++++ b/dev/bots/prepare_package.dart
-+@@ -525,7 +525,7 @@ class ArchiveCreator {
-+ 
-+   Future<String> _runGit(List<String> args, {Directory? workingDirectory}) {
-+     return _processRunner.runProcess(
-+-      <String>['git', ...args],
-++      <String>['git', '--git-dir', '.git', ...args],
-+       workingDirectory: workingDirectory ?? flutterRoot,
-+     );
-+   }
-+diff --git a/packages/flutter_tools/lib/src/commands/downgrade.dart b/packages/flutter_tools/lib/src/commands/downgrade.dart
-+index bb0eb428a9..4a2a48bb5e 100644
-+--- a/packages/flutter_tools/lib/src/commands/downgrade.dart
-++++ b/packages/flutter_tools/lib/src/commands/downgrade.dart
-+@@ -118,7 +118,7 @@ class DowngradeCommand extends FlutterCommand {
-+     // Detect unknown versions.
-+     final ProcessUtils processUtils = _processUtils!;
-+     final RunResult parseResult = await processUtils.run(<String>[
-+-      'git', 'describe', '--tags', lastFlutterVersion,
-++      'git', '--git-dir', '.git', 'describe', '--tags', lastFlutterVersion,
-+     ], workingDirectory: workingDirectory);
-+     if (parseResult.exitCode != 0) {
-+       throwToolExit('Failed to parse version for downgrade:\n${parseResult.stderr}');
-+@@ -191,7 +191,7 @@ class DowngradeCommand extends FlutterCommand {
-+         continue;
-+       }
-+       final RunResult parseResult = await _processUtils!.run(<String>[
-+-        'git', 'describe', '--tags', sha,
-++        'git', '--git-dir', '.git', 'describe', '--tags', sha,
-+       ], workingDirectory: workingDirectory);
-+       if (parseResult.exitCode == 0) {
-+         buffer.writeln('Channel "${getNameForChannel(channel)}" was previously on: ${parseResult.stdout}.');
-+diff --git a/packages/flutter_tools/lib/src/version.dart b/packages/flutter_tools/lib/src/version.dart
-+index f2068a6ca2..99b161689e 100644
-+--- a/packages/flutter_tools/lib/src/version.dart
-++++ b/packages/flutter_tools/lib/src/version.dart
-+@@ -106,7 +106,7 @@ class FlutterVersion {
-+     String? channel = _channel;
-+     if (channel == null) {
-+       final String gitChannel = _runGit(
-+-        'git rev-parse --abbrev-ref --symbolic @{u}',
-++        'git --git-dir .git rev-parse --abbrev-ref --symbolic @{u}',
-+         globals.processUtils,
-+         _workingDirectory,
-+       );
-+@@ -114,7 +114,7 @@ class FlutterVersion {
-+       if (slash != -1) {
-+         final String remote = gitChannel.substring(0, slash);
-+         _repositoryUrl = _runGit(
-+-          'git ls-remote --get-url $remote',
-++          'git --git-dir .git ls-remote --get-url $remote',
-+           globals.processUtils,
-+           _workingDirectory,
-+         );
-+@@ -326,7 +326,7 @@ class FlutterVersion {
-+   /// the branch name will be returned as `'[user-branch]'`.
-+   String getBranchName({ bool redactUnknownBranches = false }) {
-+     _branch ??= () {
-+-      final String branch = _runGit('git rev-parse --abbrev-ref HEAD', globals.processUtils);
-++      final String branch = _runGit('git --git-dir .git rev-parse --abbrev-ref HEAD', globals.processUtils);
-+       return branch == 'HEAD' ? channel : branch;
-+     }();
-+     if (redactUnknownBranches || _branch!.isEmpty) {
-+@@ -359,7 +359,7 @@ class FlutterVersion {
-+   /// wrapper that does that.
-+   @visibleForTesting
-+   static List<String> gitLog(List<String> args) {
-+-    return <String>['git', '-c', 'log.showSignature=false', 'log'] + args;
-++    return <String>['git', '-c', 'log.showSignature=false', '--git-dir', '.git', 'log'] + args;
-+   }
-+ 
-+   /// Gets the release date of the latest available Flutter version.
-+@@ -730,7 +730,7 @@ class GitTagVersion {
-+ 
-+   static GitTagVersion determine(ProcessUtils processUtils, {String? workingDirectory, bool fetchTags = false, String gitRef = 'HEAD'}) {
-+     if (fetchTags) {
-+-      final String channel = _runGit('git rev-parse --abbrev-ref HEAD', processUtils, workingDirectory);
-++      final String channel = _runGit('git --git-dir .git rev-parse --abbrev-ref HEAD', processUtils, workingDirectory);
-+       if (channel == 'dev' || channel == 'beta' || channel == 'stable') {
-+         globals.printTrace('Skipping request to fetchTags - on well known channel $channel.');
-+       } else {
-+@@ -739,7 +739,7 @@ class GitTagVersion {
-+     }
-+     // find all tags attached to the given [gitRef]
-+     final List<String> tags = _runGit(
-+-      'git tag --points-at $gitRef', processUtils, workingDirectory).trim().split('\n');
-++      'git --git-dir .git tag --points-at $gitRef', processUtils, workingDirectory).trim().split('\n');
-+ 
-+     // Check first for a stable tag
-+     final RegExp stableTagPattern = RegExp(r'^\d+\.\d+\.\d+$');
-+@@ -760,7 +760,7 @@ class GitTagVersion {
-+     // recent tag and number of commits past.
-+     return parse(
-+       _runGit(
-+-        'git describe --match *.*.* --long --tags $gitRef',
-++        'git --git-dir .git describe --match *.*.* --long --tags $gitRef',
-+         processUtils,
-+         workingDirectory,
-+       )
-diff --git a/pkgs/development/compilers/flutter/patches/revert-frontend_server_cache.patch b/pkgs/development/compilers/flutter/patches/revert-frontend_server_cache.patch
-new file mode 100644
-index 00000000000..f68029eb7a1
---- /dev/null
-+++ b/pkgs/development/compilers/flutter/patches/revert-frontend_server_cache.patch
-@@ -0,0 +1,130 @@
-+diff --git a/packages/flutter_tools/lib/src/artifacts.dart b/packages/flutter_tools/lib/src/artifacts.dart
-+index 2aac9686e8..32c4b98b88 100644
-+--- a/packages/flutter_tools/lib/src/artifacts.dart
-++++ b/packages/flutter_tools/lib/src/artifacts.dart
-+@@ -346,10 +346,10 @@ class CachedArtifacts implements Artifacts {
-+   ) {
-+     switch (artifact) {
-+       case HostArtifact.engineDartSdkPath:
-+-        final String path = _dartSdkPath(_cache);
-++        final String path = _dartSdkPath(_fileSystem);
-+         return _fileSystem.directory(path);
-+       case HostArtifact.engineDartBinary:
-+-        final String path = _fileSystem.path.join(_dartSdkPath(_cache), 'bin', _hostArtifactToFileName(artifact, _platform.isWindows));
-++        final String path = _fileSystem.path.join(_dartSdkPath(_fileSystem), 'bin', _hostArtifactToFileName(artifact, _platform.isWindows));
-+         return _fileSystem.file(path);
-+       case HostArtifact.flutterWebSdk:
-+         final String path = _getFlutterWebSdkPath();
-+@@ -398,7 +398,7 @@ class CachedArtifacts implements Artifacts {
-+       case HostArtifact.dart2jsSnapshot:
-+       case HostArtifact.dartdevcSnapshot:
-+       case HostArtifact.kernelWorkerSnapshot:
-+-        final String path = _fileSystem.path.join(_dartSdkPath(_cache), 'bin', 'snapshots', _hostArtifactToFileName(artifact, _platform.isWindows));
-++        final String path = _fileSystem.path.join(_dartSdkPath(_fileSystem), 'bin', 'snapshots', _hostArtifactToFileName(artifact, _platform.isWindows));
-+         return _fileSystem.file(path);
-+       case HostArtifact.iosDeploy:
-+         final String artifactFileName = _hostArtifactToFileName(artifact, _platform.isWindows);
-+@@ -461,11 +461,13 @@ class CachedArtifacts implements Artifacts {
-+   String _getAndroidArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
-+     final String engineDir = _getEngineArtifactsPath(platform, mode)!;
-+     switch (artifact) {
-++      case Artifact.frontendServerSnapshotForEngineDartSdk:
-++        assert(mode != BuildMode.debug, 'Artifact $artifact only available in non-debug mode.');
-++        return _fileSystem.path.join(engineDir, _artifactToFileName(artifact));
-+       case Artifact.genSnapshot:
-+         assert(mode != BuildMode.debug, 'Artifact $artifact only available in non-debug mode.');
-+         final String hostPlatform = getNameForHostPlatform(getCurrentHostPlatform());
-+         return _fileSystem.path.join(engineDir, hostPlatform, _artifactToFileName(artifact));
-+-      case Artifact.frontendServerSnapshotForEngineDartSdk:
-+       case Artifact.constFinder:
-+       case Artifact.flutterFramework:
-+       case Artifact.flutterMacOSFramework:
-+@@ -497,13 +499,13 @@ class CachedArtifacts implements Artifacts {
-+     switch (artifact) {
-+       case Artifact.genSnapshot:
-+       case Artifact.flutterXcframework:
-++      case Artifact.frontendServerSnapshotForEngineDartSdk:
-+         final String artifactFileName = _artifactToFileName(artifact)!;
-+         final String engineDir = _getEngineArtifactsPath(platform, mode)!;
-+         return _fileSystem.path.join(engineDir, artifactFileName);
-+       case Artifact.flutterFramework:
-+         final String engineDir = _getEngineArtifactsPath(platform, mode)!;
-+         return _getIosEngineArtifactPath(engineDir, environmentType, _fileSystem);
-+-      case Artifact.frontendServerSnapshotForEngineDartSdk:
-+       case Artifact.constFinder:
-+       case Artifact.flutterMacOSFramework:
-+       case Artifact.flutterMacOSPodspec:
-+@@ -594,14 +596,10 @@ class CachedArtifacts implements Artifacts {
-+         // For script snapshots any gen_snapshot binary will do. Returning gen_snapshot for
-+         // android_arm in profile mode because it is available on all supported host platforms.
-+         return _getAndroidArtifactPath(artifact, TargetPlatform.android_arm, BuildMode.profile);
-+-      case Artifact.frontendServerSnapshotForEngineDartSdk:
-+-        return _fileSystem.path.join(
-+-          _dartSdkPath(_cache), 'bin', 'snapshots',
-+-          _artifactToFileName(artifact),
-+-        );
-+       case Artifact.flutterTester:
-+       case Artifact.vmSnapshotData:
-+       case Artifact.isolateSnapshotData:
-++      case Artifact.frontendServerSnapshotForEngineDartSdk:
-+       case Artifact.icuData:
-+         final String engineArtifactsPath = _cache.getArtifactDirectory('engine').path;
-+         final String platformDirName = _enginePlatformDirectoryName(platform);
-+@@ -797,7 +795,7 @@ class CachedLocalEngineArtifacts implements LocalEngineArtifacts {
-+         final String path = _fileSystem.path.join(_hostEngineOutPath, 'dart-sdk', 'bin', 'snapshots', _hostArtifactToFileName(artifact, _platform.isWindows));
-+         return _fileSystem.file(path);
-+       case HostArtifact.dartdevcSnapshot:
-+-        final String path = _fileSystem.path.join(_dartSdkPath(_cache), 'bin', 'snapshots', _hostArtifactToFileName(artifact, _platform.isWindows));
-++        final String path = _fileSystem.path.join(_dartSdkPath(_fileSystem), 'bin', 'snapshots', _hostArtifactToFileName(artifact, _platform.isWindows));
-+         return _fileSystem.file(path);
-+       case HostArtifact.kernelWorkerSnapshot:
-+         final String path = _fileSystem.path.join(_hostEngineOutPath, 'dart-sdk', 'bin', 'snapshots', _hostArtifactToFileName(artifact, _platform.isWindows));
-+@@ -922,9 +920,7 @@ class CachedLocalEngineArtifacts implements LocalEngineArtifacts {
-+       case Artifact.windowsUwpCppClientWrapper:
-+         return _fileSystem.path.join(_hostEngineOutPath, artifactFileName);
-+       case Artifact.frontendServerSnapshotForEngineDartSdk:
-+-        return _fileSystem.path.join(
-+-          _hostEngineOutPath, 'dart-sdk', 'bin', 'snapshots', artifactFileName,
-+-        );
-++        return _fileSystem.path.join(_hostEngineOutPath, 'gen', artifactFileName);
-+       case Artifact.uwptool:
-+         return _fileSystem.path.join(_hostEngineOutPath, artifactFileName);
-+     }
-+@@ -1034,8 +1030,8 @@ class OverrideArtifacts implements Artifacts {
-+ }
-+ 
-+ /// Locate the Dart SDK.
-+-String _dartSdkPath(Cache cache) {
-+-  return cache.getRoot().childDirectory('dart-sdk').path;
-++String _dartSdkPath(FileSystem fileSystem) {
-++  return fileSystem.path.join(Cache.flutterRoot!, 'bin', 'cache', 'dart-sdk');
-+ }
-+ 
-+ class _TestArtifacts implements Artifacts {
-+diff --git a/packages/flutter_tools/test/general.shard/artifacts_test.dart b/packages/flutter_tools/test/general.shard/artifacts_test.dart
-+index d906511a15..adfdd4bb42 100644
-+--- a/packages/flutter_tools/test/general.shard/artifacts_test.dart
-++++ b/packages/flutter_tools/test/general.shard/artifacts_test.dart
-+@@ -153,10 +153,6 @@ void main() {
-+         artifacts.getArtifactPath(Artifact.windowsUwpDesktopPath, platform: TargetPlatform.windows_uwp_x64, mode: BuildMode.release),
-+         fileSystem.path.join('root', 'bin', 'cache', 'artifacts', 'engine', 'windows-uwp-x64-release'),
-+       );
-+-      expect(
-+-        artifacts.getArtifactPath(Artifact.frontendServerSnapshotForEngineDartSdk),
-+-        fileSystem.path.join('root', 'bin', 'cache', 'dart-sdk', 'bin', 'snapshots', 'frontend_server.dart.snapshot')
-+-      );
-+     });
-+ 
-+     testWithoutContext('precompiled web artifact paths are correct', () {
-+@@ -322,11 +318,6 @@ void main() {
-+         artifacts.getHostArtifact(HostArtifact.engineDartSdkPath).path,
-+         fileSystem.path.join('/out', 'host_debug_unopt', 'dart-sdk'),
-+       );
-+-      expect(
-+-        artifacts.getArtifactPath(Artifact.frontendServerSnapshotForEngineDartSdk),
-+-        fileSystem.path.join('/out', 'host_debug_unopt', 'dart-sdk', 'bin',
-+-          'snapshots', 'frontend_server.dart.snapshot')
-+-      );
-+     });
-+ 
-+     testWithoutContext('getEngineType', () {

nixpatches/10-flutter-arm64.patch

@@ -0,0 +1,40 @@
+diff --git a/pkgs/applications/networking/instant-messengers/fluffychat/default.nix b/pkgs/applications/networking/instant-messengers/fluffychat/default.nix
+index 565c44f72e9..f20a3d4e9be 100644
+--- a/pkgs/applications/networking/instant-messengers/fluffychat/default.nix
++++ b/pkgs/applications/networking/instant-messengers/fluffychat/default.nix
+@@ -4,13 +4,19 @@
+ , olm
+ , imagemagick
+ , makeDesktopItem
++, stdenv
+ }:
+ 
++let vendorHashes = {
++  x86_64-linux = "sha256-p5EJP2zSvWyRV1uyTHw0EpFsEwAGtX5B9WVjpLmnVew=";
++  aarch64-linux = "sha256-Ps0HmDI6BFxHrLRq3KWNk4hw0qneq5hqB/Mp99f+hO4=";
++};
++in
+ flutter.mkFlutterApp rec {
+   pname = "fluffychat";
+   version = "1.6.1";
+ 
+-  vendorHash = "sha256-SelMRETFYZgTStV90gRoKhazu1NPbcSMO9mYebSQskQ=";
++  vendorHash = vendorHashes."${stdenv.hostPlatform.system}" or (throw "unsupported system: ${stdenv.hostPlatform.system}");
+ 
+   src = fetchFromGitLab {
+     owner = "famedly";
+diff --git a/pkgs/development/compilers/flutter/default.nix b/pkgs/development/compilers/flutter/default.nix
+index 9eba6773448..e9d352169b2 100644
+--- a/pkgs/development/compilers/flutter/default.nix
++++ b/pkgs/development/compilers/flutter/default.nix
+@@ -19,6 +19,10 @@ let
+         url = "${dartSourceBase}/stable/release/${dartVersion}/sdk/dartsdk-linux-x64-release.zip";
+         sha256 = "sha256-PMY6DCFQC8XrlnFzOEPcwgBAs5/cAvNd78969Z+I1Fk=";
+       };
++      "${dartVersion}-aarch64-linux" = fetchurl {
++        url = "${dartSourceBase}/stable/release/${dartVersion}/sdk/dartsdk-linux-arm64-release.zip";
++        sha256 = "sha256-BIK6kUx+m+/GfR/wBXv8rjVNbP6w1HFvH/RGIwiaJog=";
++      };
+     };
+   };
+ in {

nixpatches/list.nix

@@ -1,19 +1,60 @@
 fetchpatch: [
-  # phosh: allow fractional scaling
+  # unar: fix linker error
   (fetchpatch {
-    url = "https://github.com/NixOS/nixpkgs/pull/175872.diff";
-    sha256 = "sha256-mEmqhe8DqlyCxkFWQKQZu+2duz69nOkTANh9TcjEOdY=";
+    url = "https://github.com/NixOS/nixpkgs/pull/196916.diff";
+    sha256 = "sha256-9xwk5m/+q9nLwEQKb6plZHDHyH7yL7Dk0rbkPGXIJN0=";
   })
+
+  # freshrss: patchShebangs instead of specifying interpreter in the service
+  (fetchpatch {
+    # url = "https://git.uninsane.org/colin/nixpkgs/commit/9443d83e6fee728c1926a783647b45011bd3b514.diff";
+    url = "https://github.com/NixOS/nixpkgs/pull/196140.diff";
+    sha256 = "sha256-Lngle5YTE7ymQyUarKbebMjiaTlY5cJBoaeZk7AgbXE=";
+  })
+
+  # phosh-mobile-settings: init at 0.21.1
+  (fetchpatch {
+    url = "http://git.uninsane.org/colin/nixpkgs/commit/0c1a7e8504291eb0076bbee3f8ebf693f4641112.diff";
+    # url = "https://github.com/NixOS/nixpkgs/pull/193845.diff";
+    sha256 = "sha256-OczjlQcG7sTM/V9Y9VL/qdwaWPKfjAJsh3czqqhRQig=";
+  })
+
+  # # kaiteki: init at 2022-09-03
+  # vendorHash changes too frequently (might not be reproducible).
+  # using local package defn until stabilized
+  # (fetchpatch {
+  #   url = "https://git.uninsane.org/colin/nixpkgs/commit/e2c7f5f4870fcb0e5405e9001b39a64c516852d4.diff";
+  #   # url = "https://github.com/NixOS/nixpkgs/pull/193169.diff";
+  #   sha256 = "sha256-UWnfS+stVpUZ3Sfaym9XtVBlwvHWJVMaW7cYIcf3M5Q=";
+  # })
+
+  # nautilus: look for the gtk4 FileChooser settings instead of the gtk4 one
+  (fetchpatch {
+    # original version (include the patch in nixpkgs)
+    # url = "https://git.uninsane.org/colin/nixpkgs/commit/4636a04c1c4982a0e71ae77d3aa6f52d1a3170f1.diff";
+    # sha256 = "sha256-XKfXStdcveYuk58rlORVJOv0a9Q5aRj1bYT5k79rL0g=";
+
+    # v2 (fetchpatch from upstream PR)
+    # url = "https://git.uninsane.org/colin/nixpkgs/commit/730a802808c549220144e4e62aa419bb07c5ae29.diff";
+    url = "https://github.com/NixOS/nixpkgs/pull/195985.diff";
+    sha256 = "sha256-zd7WGOTm3ygh0Wk3uiA+1S+RqD9yWDSXvo7veHs0K00=";
+  })
+
+  # Fix mk flutter app
+  # closed (not merged). updates fluffychat 1.2.0 -> 1.6.1, but unstable hashing
+  # (fetchpatch {
+  #   url = "https://github.com/NixOS/nixpkgs/pull/186839.diff";
+  #   sha256 = "sha256-NdIfie+eTy4V1vgqiiRPtWdnxZ5ZHsvCMfkEDUv9SC8=";
+  # })
+
   # for raspberry pi: allow building u-boot for rpi 4{,00}
   # TODO: remove after upstreamed: https://github.com/NixOS/nixpkgs/pull/176018
+  #   (it's a dupe of https://github.com/NixOS/nixpkgs/pull/112677 )
   ./02-rpi4-uboot.patch
-  # alternative to https://github.com/NixOS/nixpkgs/pull/173200
-  ./04-dart-2.7.0.patch
-  # whalebird: suuport aarch64
-  (fetchpatch {
-    url = "https://github.com/NixOS/nixpkgs/pull/176476.diff";
-    sha256 = "sha256-126DljM06hqPZ3fjLZ3LBZR64nFbeTfzSazEu72d4y8=";
-  })
+
   # TODO: upstream
   ./07-duplicity-rich-url.patch
+
+  # enable aarch64 support for flutter's dart package
+  # ./10-flutter-arm64.patch
 ]

pkgs/fluffychat-moby/default.nix

@@ -0,0 +1,20 @@
+{ pkgs }:
+
+(pkgs.symlinkJoin {
+  name = "fluffychat-moby";
+  paths = [ pkgs.fluffychat ];
+  buildInputs = [ pkgs.makeWrapper ];
+
+  # ordinary fluffychat on moby displays blank window;
+  # > Failed to start Flutter renderer: Unable to create a GL context
+  # this is temporarily solved by using software renderer
+  # - see https://github.com/flutter/flutter/issues/106941
+  postBuild = ''
+    wrapProgram $out/bin/fluffychat \
+      --set LIBGL_ALWAYS_SOFTWARE 1
+    # fix up the .desktop file to invoke our wrapped fluffychat
+    orig_desktop=$(readlink $out/share/applications/Fluffychat.desktop)
+    unlink $out/share/applications/Fluffychat.desktop
+    sed "s:Exec=.*:Exec=$out/bin/fluffychat:" $orig_desktop > $out/share/applications/Fluffychat.desktop
+  '';
+})

pkgs/gocryptfs/default.nix

@@ -0,0 +1,15 @@
+{ pkgs, lib, ... }:
+
+(pkgs.gocryptfs.overrideAttrs (upstream: {
+  # XXX `su colin` hangs when pam_mount tries to mount a gocryptfs system
+  # unless `logger` (util-linux) is accessible from gocryptfs.
+  # this is surprising: the code LOOKS like it's meant to handle logging failures.
+  # propagating util-linux through either `environment.systemPackages` or `security.pam.mount.additionalSearchPaths` DOES NOT WORK.
+  #
+  # TODO: see about upstreaming this
+  postInstall = ''
+    wrapProgram $out/bin/gocryptfs \
+      --suffix PATH : ${lib.makeBinPath [ pkgs.fuse pkgs.util-linux ]}
+    ln -s $out/bin/gocryptfs $out/bin/mount.fuse.gocryptfs
+  '';
+}))

pkgs/gpodder-configured/default.nix

@@ -0,0 +1,24 @@
+{ pkgs
+, writeShellScript
+, config
+}:
+
+(pkgs.symlinkJoin {
+  name = "gpodder-configured";
+  paths = [ pkgs.gpodder ];
+  buildInputs = [ pkgs.makeWrapper ];
+
+  # gpodder keeps all its feeds in a sqlite3 database.
+  # we can configure the feeds externally by wrapping gpodder and just instructing it to import
+  # a feedlist every time we run it.
+  # repeat imports are deduplicated -- assuming network access (not sure how it behaves when disconnected).
+  postBuild = ''
+    makeWrapper $out/bin/gpodder $out/bin/gpodder-configured \
+      --run "$out/bin/gpo import ~/.config/gpodderFeeds.opml"
+
+    # fix up the .desktop file to invoke our wrapped application
+    orig_desktop=$(readlink $out/share/applications/gpodder.desktop)
+    unlink $out/share/applications/gpodder.desktop
+    sed "s:Exec=.*:Exec=$out/bin/gpodder-configured:" $orig_desktop > $out/share/applications/gpodder.desktop
+  '';
+})

pkgs/jackett/default.nix

@@ -1,6 +1,8 @@
 { pkgs }:
 
 (pkgs.jackett.overrideAttrs (upstream: {
+  # 2022-07-29: check phase segfaults on arm (with or without my patches)
+  doCheck = false;
   patches = (upstream.patches or []) ++ [
     # bind to an IP address which is usable behind a netns
     ./01-fix-bind-host.patch

pkgs/kaiteki/default.nix

@@ -2,39 +2,63 @@
 , fetchFromGitHub
 , flutter
 , makeDesktopItem
+, imagemagick
+, xdg-user-dirs
 }:
 
 flutter.mkFlutterApp rec {
   pname = "kaiteki";
-  version = "unstable-2022-06-03";
+  version = "unstable-2022-09-03";
 
-  # this hash seems unstable -- depends on other nixpkgs, perhaps?
-  vendorHash = "sha256-IC3FAPFASuMcNOpUuaB+MDcm9nqGCtq/6A2dCxIXHEg=";
+  vendorHash = "sha256-CXEaQeXEY5PYpcoqmPcRfcyaFsEDZ8bq1pgApmjyp0c=";
 
   src = fetchFromGitHub {
     owner = "Kaiteki-Fedi";
     repo = "Kaiteki";
-    rev = "0a322313071e4391949d23d9b006d74de65f58d9";
-    hash = "sha256-ggDIbVwueS162m15TFaC6Tcg+0lpcVGi4x/O691sxR8";
+    rev = "fd1e26c98f37ad6a98ed549da879c91721f997d0";
+    hash = "sha256-N7n6o/B9s0DCYf9HFMZSCPShpE65wKl9FaQ5dbFnr1E=";
+    fetchSubmodules = true;
   };
 
-  desktopItems = [ (makeDesktopItem {
+  nativeBuildInputs = [ imagemagick ];
+
+  desktopItem = makeDesktopItem {
     name = "Kaiteki";
-    exec = "kaiteki";
+    exec = "@out@/bin/kaiteki";
     icon = "kaiteki";
     desktopName = "Kaiteki";
     genericName = "Micro-blogging client";
     comment = meta.description;
     categories = [ "Network" "InstantMessaging" "GTK" ];
-  }) ];
+  };
 
   sourceRoot = "source/src/kaiteki";
 
+  postInstall = ''
+    wrapProgram $out/bin/kaiteki \
+      --prefix PATH : "${xdg-user-dirs}/bin"
+
+    FAV=$out/app/data/flutter_assets/assets/icon.png
+    ICO=$out/share/icons
+
+    install -D $FAV $ICO/kaiteki.png
+    for s in 24 32 42 64 128 256 512; do
+      D=$ICO/hicolor/''${s}x''${s}/apps
+      mkdir -p $D
+      convert $FAV -resize ''${s}x''${s} $D/kaiteki.png
+    done
+
+    mkdir $out/share/applications
+    cp $desktopItem/share/applications/*.desktop $out/share/applications
+    substituteInPlace $out/share/applications/*.desktop \
+      --subst-var out
+  '';
+
   meta = with lib; {
     description = "The comfy Fediverse client";
     homepage = "https://craftplacer.moe/projects/kaiteki/";
     license = licenses.agpl3Plus;
-    # maintainers = with maintainers; [ colinsane ];
+    maintainers = with maintainers; [ colinsane ];
     platforms = platforms.linux;
   };
 }

pkgs/linux-megous/default.nix

@@ -0,0 +1,21 @@
+{ lib, buildPackages, fetchFromGitHub, perl, buildLinux, nixosTests, modDirVersionArg ? null, ... } @ args:
+
+with lib;
+
+buildLinux (args // rec {
+  version = "6.0.0";
+
+  # modDirVersion needs to be x.y.z, will automatically add .0 if needed
+  modDirVersion = if (modDirVersionArg == null) then concatStringsSep "." (take 3 (splitVersion "${version}.0")) else modDirVersionArg;
+
+  # branchVersion needs to be x.y
+  extraMeta.branch = versions.majorMinor version;
+
+  src = fetchFromGitHub {
+    owner = "megous";
+    repo = "linux";
+    # branch: orange-pi-6.0
+    rev = "b16232c6156de17e1dfdb63fdaea8e317baa07a7";
+    sha256 = "sha256-Tb05IQKFdX/T7elGNnXTLVmgGLvXoeBFBq/8Q7jQhX0=";
+  };
+} // (args.argsOverride or { }))

pkgs/nabla/default.nix

@@ -0,0 +1,14 @@
+{ pkgs, fetchFromGitHub, ... }:
+
+# buildVimPluginFrom2Nix {
+pkgs.vimUtils.buildVimPlugin {
+  pname = "nabla";
+  version = "2022-08-17";
+  src = fetchFromGitHub {
+    owner = "jbyuki";
+    repo = "nabla.nvim";
+    rev = "5379635d71b9877eaa4df822e8a2a5c575d808b0";
+    sha256 = "sha256-1VabgTnOSsfdhmHnfXl/h9djgNV3Gqro5VOr8ZbUlWw=";
+  };
+  meta.homepage = "https://github.com/jbyuki/nabla.nvim/";
+}

pkgs/overlay.nix

@@ -12,8 +12,17 @@
     # not sure why i can't just do pkgs = next here
     pkgs = prev // { inherit ubootRaspberryPi4_64bit; };
   };
+  rtl8723cs-firmware = prev.callPackage ./rtl8723cs-firmware { };
+  linux-megous = prev.callPackage ./linux-megous {
+    kernelPatches = [
+      prev.kernelPatches.bridge_stp_helper
+      prev.kernelPatches.request_key_helper
+    ];
+  };
 
   #### customized packages
+  fluffychat-moby = prev.callPackage ./fluffychat-moby { pkgs = prev; };
+  gpodder-configured = prev.callPackage ./gpodder-configured { pkgs = prev; };
   # nixos-unstable pleroma is too far out-of-date for our db
   pleroma = prev.callPackage ./pleroma { };
   # jackett doesn't allow customization of the bind address: this will probably always be here.
@@ -26,7 +35,12 @@
   # patch rpi uboot with something that fixes USB HDD boot
   ubootRaspberryPi4_64bit = prev.callPackage ./ubootRaspberryPi4_64bit { pkgs = prev; };
 
+  gocryptfs = prev.callPackage ./gocryptfs { pkgs = prev; };
+
   #### TEMPORARY: PACKAGES WAITING TO BE UPSTREAMED
   kaiteki = prev.callPackage ./kaiteki { };
+  # kaiteki = prev.kaiteki;
+  # TODO: upstream, or delete nabla
+  nabla = prev.callPackage ./nabla { };
 })
 

pkgs/pleroma/default.nix

@@ -49,6 +49,8 @@ beamPackages.mixRelease rec {
     done
   '' else "";
 
+  stripDebug = false;
+
   mixNixDeps = import ./mix.nix {
     inherit beamPackages lib;
     overrides = (final: prev: {

pkgs/rtl8723cs-firmware/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchFromGitHub }:
+with lib;
+stdenv.mkDerivation {
+  pname = "rtl8723cs-firmware";
+  version = "2020-07-05";
+
+  src = fetchFromGitHub {
+    owner = "anarsoul";
+    repo = "rtl8723bt-firmware";
+    rev = "8840b1052b4ee426f348cb35e4994c5cafc5fbbd";
+    sha256 = "sha256-z6OZNDvGbU1g+U9aL/Pq6fB3l7Fxwq6EHSeHgrkqt78=";
+  };
+
+  dontBuild = true;
+
+  installPhase = ''
+    mkdir -p "$out/lib/firmware"
+    cp -R rtl_bt "$out/lib/firmware"
+  '';
+
+  meta = with lib; {
+    description = "Firmware for rtl8723bs and rtl8723cs";
+    # there are many sources for this, none of them authoritative.
+    # the original binaries likely come from some Realtek SDK, hardcoded into a C array
+    # if consistent with other drivers, but Realtek does not list this model in their
+    # downloads page.
+    # other sources:
+    # - <https://megous.com/git/linux-firmware>
+    # - <https://github.com/armbian/firmware>
+    homepage = "https://github.com/anarsoul/rtl8723bt-firmware";
+    license = licenses.unfreeRedistributableFirmware;
+    maintainers = with maintainers; [ colinsane ];
+    platforms = with platforms; linux;
+  };
+}
+

pkgs/sane-scripts/default.nix

@@ -1,19 +1,76 @@
 { lib
 , pkgs
-, stdenv
+, resholve
 }:
 
-stdenv.mkDerivation {
-  name = "sane-scripts";
+# resholve documentation:
+# - nix: https://github.com/nixos/nixpkgs/blob/master/pkgs/development/misc/resholve/README.md
+# - generic: https://github.com/abathur/resholve
+resholve.mkDerivation {
+  pname = "sane-scripts";
+  version = "0.1.0";
 
   src = ./src;
 
-  # See: https://nixos.org/nixpkgs/manual/#ssec-stdenv-dependencies
-  buildInputs = [ pkgs.rsync ];
+  solutions = {
+    default = {
+      # note: `scripts` refers to the store path here
+      scripts = [ "bin/*" ];
+      interpreter = "${pkgs.bash}/bin/bash";
+      inputs = with pkgs; [
+        coreutils
+        curl
+        file
+        findutils
+        gnugrep
+        gocryptfs
+        ifuse
+        inotify-tools
+        ncurses
+        oath-toolkit
+        openssh
+        rmlint
+        rsync
+        ssh-to-age
+        sops
+        sudo
+        util-linux
+        which
+      ];
+      keep = {
+        # we write here: keep it
+        "/tmp/rmlint.sh" = true;
+        # intentionally escapes (into user code)
+        "$external_cmd" = true;
+      };
+      fake = {
+        external = [
+          # https://github.com/abathur/resholve/issues/29
+          "umount"
+          "sudo"
+
+          # this is actually internal; probably a better fix
+          "sane-mount-servo"
+        ];
+      };
+
+      # list of programs which *can* or *cannot* exec their arguments
+      execer = with pkgs; [
+        "cannot:${gocryptfs}/bin/gocryptfs"
+        "cannot:${ifuse}/bin/ifuse"
+        "cannot:${oath-toolkit}/bin/oathtool"
+        "cannot:${openssh}/bin/ssh-keygen"
+        "cannot:${rmlint}/bin/rmlint"
+        "cannot:${rsync}/bin/rsync"
+        "cannot:${sops}/bin/sops"
+        "cannot:${ssh-to-age}/bin/ssh-to-age"
+      ];
+    };
+  };
 
   installPhase = ''
-    mkdir -p "$out"
-    cp -R * "$out"/
+    mkdir -p "$out/bin"
+    cp -R * "$out"/bin/
   '';
 
   meta = {

pkgs/sane-scripts/src/bin/sane-reclaim-disk-space

@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-set -ex
-# script to reclaim some hard drive space
-sudo nix-collect-garbage
-# identify duplicate files in the nix store
-rmlint --types="duplicates" --config=sh:handler=clone --output=sh:/tmp/rmlint.sh --progress /nix/store
-# link the dupes together (uses ioctl_fideduperange)
-#   see: https://btrfs.wiki.kernel.org/index.php/Deduplication
-#   see: https://rmlint.readthedocs.io/en/latest/tutorial.html
-sudo mount -o remount,rw /nix/store
-/tmp/rmlint.sh -d || true  # on failure, we still want to remount ro
-# XXX this doesn't work: 'mount point is busy.'
-sudo mount -o remount,ro /nix/store
-
-# TODO: instead of using rmlint, could use dduper: https://github.com/Lakshmipathi/dduper
-#   better perf for btrfs (checksum tests)
-#   likely also better compression, on account of being block-based instead of whole-file based.
-#   however, not clearly actively maintained; uses custom btrfs-progs patch; riskier
-#     might not currently build on nix: https://github.com/NixOS/nixpkgs/issues/175730

pkgs/sane-scripts/src/bin/sane-vpn-down

@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-echo vpn: $(curl https://ipinfo.io/ip)
-sudo systemctl stop wg-quick-ovpnd
-echo plain:   $(curl https://ipinfo.io/ip)

pkgs/sane-scripts/src/bin/sane-vpn-up

@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-echo plain: $(curl https://ipinfo.io/ip)
-sudo systemctl start wg-quick-ovpnd
-echo vpn:   $(curl https://ipinfo.io/ip)

pkgs/sane-scripts/src/sane-dev-cargo-loop

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# watches PWD for any changes underneath it and re-runs `cargo build --a>
+# optionally, provide your own build command as the first argument
+
+external_cmd="cargo build --all"
+if [ "x$1" != "x" ]
+then
+        external_cmd=$1
+fi
+
+# run this once before starting the inotify
+$external_cmd
+
+# other interesting commands to monitor:
+# - -e move
+# - -e create
+# - -e delete
+# - -e close_write
+# but most (except close_write) seem to cause multiple events per vim :w
+# TODO: consider using watchman: https://facebook.github.io/watchman/
+# - watchman waits for the root to settle before invoking my command
+#   so, fewer runs
+inotifywait --monitor --recursive \
+  --timefmt '%d/%m/%y %H:%M' --format '%T %w %f' \
+  -e modify ./ |
+while read -r date time dir file
+do
+        tput reset
+        $external_cmd
+done

pkgs/sane-scripts/src/sane-mount-servo

@@ -15,4 +15,5 @@ then
 fi
 
 # symlink the fastest mount point into place
+# uncomment if i see the bug again: sudo unlink /mnt/servo-media  # XXX ln gets confused if the destination is a symlink to a stale mount
 sudo ln -sf $mnt /mnt/servo-media

pkgs/sane-scripts/src/sane-mount-servo-root

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -ex
+
+mnt=/mnt/servo-root-wan
+# if lan not mounted, then try to mount it
+if ! (test -d /mnt/servo-root-lan/nix)
+then
+  sudo mount /mnt/servo-root-lan && mnt=/mnt/servo-root-lan
+fi
+
+# if the needed mount isn't mounted, mount it
+if ! (test -d $mnt/nix)
+then
+  sudo mount $mnt
+fi
+
+# symlink the fastest mount point into place
+# uncomment if i see the bug again: sudo unlink /mnt/servo-root  # XXX ln gets confused if the destination is a symlink to a stale mount
+sudo ln -sf $mnt /mnt/servo-root

pkgs/sane-scripts/src/sane-private-init

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -ex
+
+# configure persistent, encrypted storage that is auto-mounted on login.
+# this is a one-time setup and user should log out/back in after running it.
+
+p=/nix/persist/home/colin/private
+mkdir -p $p
+gocryptfs -init $p

pkgs/sane-scripts/src/sane-reclaim-disk-space

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+# script to reclaim some hard drive space
+set -e
+
+options=$(getopt -l "fast" -o "f" -- "$@")
+do_rmlint=true
+for arg in $options; do
+  case $arg in
+    -f|--fast)
+      do_rmlint=false
+      ;;
+    --)
+      ;;
+  esac
+done
+
+set -x
+
+# always claim nix garbage
+sudo nix-collect-garbage
+
+if [ $do_rmlint = true ]
+then
+  # identify duplicate files in the nix store
+  rmlint --types="duplicates" --config=sh:handler=clone --output=sh:/tmp/rmlint.sh --output=json:/dev/null --progress /nix/store
+  # link the dupes together (uses ioctl_fideduperange)
+  #   see: https://btrfs.wiki.kernel.org/index.php/Deduplication
+  #   see: https://rmlint.readthedocs.io/en/latest/tutorial.html
+fi
+
+if [ $do_rmlint = true ]
+then
+  sudo mount -o remount,rw /nix/store
+  # XXX: does rmlint really need to be invoked as root?
+  sudo /tmp/rmlint.sh -d || true  # on failure, we still want to remount ro
+  # XXX this doesn't work: 'mount point is busy.'
+  sudo mount -o remount,ro /nix/store
+fi
+
+# TODO: instead of using rmlint, could use dduper: https://github.com/Lakshmipathi/dduper
+#   better perf for btrfs (checksum tests)
+#   likely also better compression, on account of being block-based instead of whole-file based.
+#   however, not clearly actively maintained; uses custom btrfs-progs patch; riskier
+#     might not currently build on nix: https://github.com/NixOS/nixpkgs/issues/175730

pkgs/sane-scripts/src/sane-vpn-down

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+# first arg should be the region, e.g. `us` or `ukr`
+
+case $1 in
+ukr)
+  iface=wg-quick-ovpnd-ukr;;
+us)
+  iface=wg-quick-ovpnd-us;;
+*)
+  echo "invalid vpn name '$1'"; exit 1;;
+esac
+
+echo vpn: $(curl https://ipinfo.io/ip)
+sudo systemctl stop $iface
+echo plain:   $(curl https://ipinfo.io/ip)

pkgs/sane-scripts/src/sane-vpn-up

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+# first arg should be the region, e.g. `us` or `ukr`
+
+case $1 in
+ukr)
+  iface=wg-quick-ovpnd-ukr;;
+us)
+  iface=wg-quick-ovpnd-us;;
+*)
+  echo "invalid vpn name '$1'"; exit 1;;
+esac
+
+echo plain: $(curl https://ipinfo.io/ip)
+sudo systemctl start $iface
+echo vpn:   $(curl https://ipinfo.io/ip)

pkgs/sane-scripts/src/sane-which

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# traces a PATH lookup by printing the source, resolution, and any symlinks traversed
+# finally, prints the content of the file
+echo $1
+
+v=$(which $1)
+# this probably doesn't handle paths with spaces
+while [ "$(readlink $v || echo $v)" != "$v" ]
+do
+  # TODO: this doesn't handle relative symlinks
+  echo '->' "$v"
+  v=$(readlink "$v")
+done
+
+echo '->' "$v"
+echo ''
+case $(file --brief --mime "$v") in
+  (*text*)
+    cat "$v"
+    ;;
+  (*)
+    echo $(file "$v")
+    ;;
+esac

readme.md

@@ -1,15 +1,17 @@
 to deploy:
+
 ```sh
 nixos-rebuild --flake "./#servo" {build,switch}
 ```
 
 more options (like building packages defined in this repo):
+
 ```sh
 nix flake show
 ```
 
 
-# secrets
+## secrets
 
 i use [sops](https://github.com/Mic92/sops-nix) for secrets.
 see `modules/universal/secrets.nix` for some tips.
@@ -24,3 +26,22 @@ this can then be `dd`'d onto a disk and directly booted from a EFI system.
 there's some post-processing to do before running a rebuild on the deployed system (deploying ssh keys, optionally changing fs UUIDs, etc).
 refer to flake.nix for more details.
 
+## building packages
+
+to build one of the custom sane packages, just name it:
+
+```sh
+nix build ./#fluffychat-moby
+```
+
+to build a nixpkg:
+
+```sh
+nix build ./#nixpkgs.curl
+```
+
+to build a package for another platform:
+
+```sh
+nix build ./#packages.aarch64-linux.nixpkgs.ubootRaspberryPi4_64bit
+```

scripts/ensure-perms

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+# ensures perms on a newly-built distribution are good.
+# usage: sudo ensure-perms /path/to/nix
+
+nix_path=$1
+chown root:root -R $nix_path
+chown root:nixbld $nix_path/store