flake.nix: remove (no longer used)
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flake.nix
560
flake.nix
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# FLAKE FEEDBACK:
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# - if flake inputs are meant to be human-readable, a human should be able to easily track them down given the URL.
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# - this is not the case with registry URLs, like `nixpkgs/nixos-22.11`.
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# - this is marginally the case with schemes like `github:nixos/nixpkgs`.
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# - given the *existing* `git+https://` scheme, i propose expressing github URLs similarly:
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# - `github+https://github.com/nixos/nixpkgs/tree/nixos-22.11`
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# - this would allow for the same optimizations as today's `github:nixos/nixpkgs`, but without obscuring the source.
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# a code reader could view the source being referenced simply by clicking the https:// portion of that URI.
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# - need some way to apply local patches to inputs.
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#
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#
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# DEVELOPMENT DOCS:
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# - Flake docs: <https://nixos.wiki/wiki/Flakes>
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# - Flake RFC: <https://github.com/tweag/rfcs/blob/flakes/rfcs/0049-flakes.md>
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# - Discussion: <https://github.com/NixOS/rfcs/pull/49>
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# - <https://serokell.io/blog/practical-nix-flakes>
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#
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#
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# COMMON OPERATIONS:
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# - update a specific flake input:
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# - `nix flake lock --update-input nixpkgs`
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{
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outputs = {
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self,
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}@inputs:
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let
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inherit (builtins) attrNames elem listToAttrs map mapAttrs;
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# redefine some nixpkgs `lib` functions to avoid the infinite recursion
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# of if we tried to use patched `nixpkgs.lib` as part of the patching process.
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mapAttrs' = f: set:
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listToAttrs (map (attr: f attr set.${attr}) (attrNames set));
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optionalAttrs = cond: attrs: if cond then attrs else {};
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# mapAttrs but without the `name` argument
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mapAttrValues = f: mapAttrs (_: f);
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nixpkgs' = import ./pkgs/additional/nixpkgs;
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nixpkgsUnpatched = nixpkgs' { doPatch = false; localSystem = "x86_64-linux"; };
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nixpkgsCompiledBy = { system, variant ? "master" }:
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(nixpkgs' { inherit variant system; }).legacyPackages."${system}";
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evalHost = { name, local, target, variant ? null, nixpkgs ? nixpkgs' { localSystem = local; system = target;} }: nixpkgs.nixos (
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[
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(optionalAttrs (variant == "light") {
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sane.maxBuildCost = 2;
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})
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(optionalAttrs (variant == "min") {
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sane.maxBuildCost = 0;
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})
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(import ./hosts/instantiate.nix { hostName = name; })
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(import ./modules)
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(nixpkgs.appendOverlays [ self.overlays.pkgs ]).sops-nix.nixosModules.sops
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{
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nixpkgs.overlays = [
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self.overlays.sane-all
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];
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}
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]
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);
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in {
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nixosConfigurations = let
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hosts = {
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servo = { name = "servo"; local = "x86_64-linux"; target = "x86_64-linux"; };
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desko = { name = "desko"; local = "x86_64-linux"; target = "x86_64-linux"; };
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desko-light = { name = "desko"; local = "x86_64-linux"; target = "x86_64-linux"; variant = "light"; };
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lappy = { name = "lappy"; local = "x86_64-linux"; target = "x86_64-linux"; };
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lappy-light = { name = "lappy"; local = "x86_64-linux"; target = "x86_64-linux"; variant = "light"; };
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lappy-min = { name = "lappy"; local = "x86_64-linux"; target = "x86_64-linux"; variant = "min"; };
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moby = { name = "moby"; local = "x86_64-linux"; target = "aarch64-linux"; };
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moby-light = { name = "moby"; local = "x86_64-linux"; target = "aarch64-linux"; variant = "light"; };
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moby-min = { name = "moby"; local = "x86_64-linux"; target = "aarch64-linux"; variant = "min"; };
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# crappy is technically armv7a, and armv7l uses only a _subset_ of the available ISA.
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# but it's not as widely cached.
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crappy = { name = "crappy"; local = "x86_64-linux"; target = "armv7l-linux"; };
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crappy-min = { name = "crappy"; local = "x86_64-linux"; target = "armv7l-linux"; variant = "min"; };
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crappy-7a = { name = "crappy"; local = "x86_64-linux"; target = "armv7a-linux"; variant = "min"; };
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rescue = { name = "rescue"; local = "x86_64-linux"; target = "x86_64-linux"; };
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};
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hostsNext = mapAttrs' (h: v: {
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name = "${h}-next";
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value = v // {
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nixpkgs = nixpkgs' {
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localSystem = v.local;
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system = v.target;
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variant = "staging-next";
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};
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};
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}) hosts;
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hostsStaging = mapAttrs' (h: v: {
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name = "${h}-staging";
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value = v // {
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nixpkgs = nixpkgs' {
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localSystem = v.local;
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system = v.target;
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variant = "staging";
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};
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};
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}) hosts;
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in mapAttrValues evalHost (
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hosts // hostsNext // hostsStaging
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);
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# unofficial output
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# this produces a EFI-bootable .img file (GPT with a /boot partition and a system (/ or /nix) partition).
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# after building this:
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# - flash it to a bootable medium (SD card, flash drive, HDD)
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# - resize the root partition (use cfdisk)
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# - mount the part
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# - chown root:nixbld <part>/nix/store
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# - chown root:root -R <part>/nix/store/*
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# - chown root:root -R <part>/persist # if using impermanence
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# - populate any important things (persist/, home/colin/.ssh, etc)
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# - boot
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# - if fs wasn't resized automatically, then `sudo btrfs filesystem resize max /`
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# - checkout this flake into /etc/nixos AND UPDATE THE FS UUIDS.
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# - `nixos-rebuild --flake './#<host>' switch`
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imgs = mapAttrValues (host: host.config.system.build.img) self.nixosConfigurations;
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# unofficial output
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hostConfigs = mapAttrValues (host: host.config) self.nixosConfigurations;
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hostSystems = mapAttrValues (host: host.config.system.build.toplevel) self.nixosConfigurations;
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hostPkgs = mapAttrValues (host: host.config.system.build.pkgs) self.nixosConfigurations;
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hostPrograms = mapAttrValues (host: mapAttrValues (p: p.package) host.config.sane.programs) self.nixosConfigurations;
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overlays = {
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# N.B.: `nix flake check` requires every overlay to take `final: prev:` at defn site,
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# hence the weird redundancy.
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default = final: prev: self.overlays.pkgs final prev;
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sane-all = final: prev: import ./overlays/all.nix final prev;
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pkgs = final: prev: import ./overlays/pkgs.nix final prev;
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preferences = final: prev: import ./overlays/preferences.nix final prev;
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};
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# this includes both our native packages and all the nixpkgs packages.
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legacyPackages =
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let
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allPkgsFor = variant: additionalOverlays: system:
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(nixpkgs' { inherit system variant; localSystem = "x86_64-linux"; })
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.appendOverlays (
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[
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self.overlays.pkgs
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] ++ additionalOverlays
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);
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allPkgsFor' = system: allPkgsFor
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"master"
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[(self: super: {
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# build `pkgsNext.FOO` to build the package FOO from nixpkgs staging-next branch
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pkgsNext = allPkgsFor "staging-next" [] system;
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pkgsStaging = allPkgsFor "staging" [] system;
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})]
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system
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;
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in {
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x86_64-linux = allPkgsFor' "x86_64-linux";
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aarch64-linux = allPkgsFor' "aarch64-linux";
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};
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# extract only our own packages from the full set.
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# because of `nix flake check`, we flatten the package set and only surface x86_64-linux packages.
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packages = mapAttrs
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(system: passthruPkgs: passthruPkgs.lib.filterAttrs
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(name: pkg:
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# keep only packages which will pass `nix flake check`, i.e. keep only:
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# - derivations (not package sets)
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# - packages that build for the given platform
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(! elem name [ "feeds" "pythonPackagesExtensions" ])
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&& (passthruPkgs.lib.meta.availableOn passthruPkgs.stdenv.hostPlatform pkg)
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)
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(
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import ./pkgs { pkgs = passthruPkgs; }
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)
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)
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# self.legacyPackages;
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{
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x86_64-linux = nixpkgs' { localSystem = "x86_64-linux"; };
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}
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;
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apps."x86_64-linux" =
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let
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pkgs = self.legacyPackages."x86_64-linux";
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sanePkgs = import ./pkgs { inherit pkgs; };
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deployScript = host: variant: action: pkgs.writeShellScript "deploy-${host}" ''
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${./.}/scripts/deploy --variant "${variant}" --action "${action}" "${host}"
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'';
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deployApp = host: variant: action: {
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type = "app";
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program = ''${deployScript host variant action}'';
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};
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# pkg updating.
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# a cleaner alternative lives here: <https://discourse.nixos.org/t/how-can-i-run-the-updatescript-of-personal-packages/25274/2>
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# mkUpdater :: [ String ] -> { type = "app"; program = path; }
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mkUpdater = attrPath: {
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type = "app";
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program = let
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pkg = pkgs.lib.getAttrFromPath attrPath sanePkgs;
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strAttrPath = pkgs.lib.concatStringsSep "." attrPath;
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commandArgv = pkg.updateScript.command or pkg.updateScript;
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command = pkgs.lib.escapeShellArgs commandArgv;
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in builtins.toString (pkgs.writeShellScript "update-${strAttrPath}" ''
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set -x
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env UPDATE_NIX_NAME=${pkg.name} UPDATE_NIX_PNAME=${pkg.pname} UPDATE_NIX_OLD_VERSION=${pkg.version} UPDATE_NIX_ATTR_PATH=${strAttrPath} ${command}
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'');
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};
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mkUpdatersNoAliases = opts: basePath: pkgs.lib.concatMapAttrs
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(name: pkg:
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if pkg.recurseForDerivations or false then {
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"${name}" = mkUpdaters opts (basePath ++ [ name ]);
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} else if pkg.updateScript or null != null then {
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"${name}" = mkUpdater (basePath ++ [ name ]);
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} else {}
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)
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(pkgs.lib.getAttrFromPath basePath sanePkgs);
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mkUpdaters = { ignore ? [], flakePrefix ? [] }@opts: basePath:
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let
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updaters = mkUpdatersNoAliases opts basePath;
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invokeUpdater = name: pkg:
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let
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fullPath = basePath ++ [ name ];
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doUpdateByDefault = !builtins.elem fullPath ignore;
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# in case `name` has a `.` in it, we have to quote it
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escapedPath = builtins.map (p: ''"${p}"'') fullPath;
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updatePath = builtins.concatStringsSep "." (flakePrefix ++ escapedPath);
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in pkgs.lib.optionalString doUpdateByDefault (
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pkgs.lib.escapeShellArgs [
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"nix" "run" ".#${updatePath}"
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]
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);
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in {
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type = "app";
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# top-level app just invokes the updater of everything one layer below it
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program = builtins.toString (pkgs.writeShellScript
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(builtins.concatStringsSep "-" (flakePrefix ++ basePath))
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(builtins.concatStringsSep
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"\n"
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(pkgs.lib.mapAttrsToList invokeUpdater updaters)
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)
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);
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} // updaters;
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in {
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help = {
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type = "app";
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program = let
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helpMsg = builtins.toFile "nixos-config-help-message" ''
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commands:
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- `nix run '.#help'`
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- show this message
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- `nix run '.#update.pkgs'`
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- updates every package
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- `nix run '.#update.feeds'`
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- updates metadata for all feeds
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- `nix run '.#init-feed' <url>`
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- `nix run '.#deploy.{desko,lappy,moby,servo}[-light|-test]' [nix args ...]`
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- build and deploy the host
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- `nix run '.#preDeploy.{desko,lappy,moby,servo}[-light]' [nix args ...]`
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- copy closures to a host, but don't activate it
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- or `nix run '.#preDeploy'` to target all hosts
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- `nix run '.#check'`
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- make sure all systems build; NUR evaluates
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- `nix run '.#bench'`
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- benchmark the eval time of common targets this flake provides
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specific build targets of interest:
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- `nix build '.#imgs.rescue'`
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'';
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in builtins.toString (pkgs.writeShellScript "nixos-config-help" ''
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cat ${helpMsg}
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echo ""
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echo "complete flake structure:"
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nix flake show --option allow-import-from-derivation true
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'');
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};
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# wrangle some names to get package updaters which refer back into the flake, but also conditionally ignore certain paths (e.g. sane.feeds).
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# TODO: better design
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update = rec {
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_impl.pkgs.sane = mkUpdaters { flakePrefix = [ "update" "_impl" "pkgs" ]; ignore = [ [ "sane" "feeds" ] ]; } [ "sane" ];
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pkgs = _impl.pkgs.sane;
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_impl.feeds.sane.feeds = mkUpdaters { flakePrefix = [ "update" "_impl" "feeds" ]; } [ "sane" "feeds" ];
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feeds = _impl.feeds.sane.feeds;
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};
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init-feed = {
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type = "app";
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program = "${pkgs.feeds.init-feed}";
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};
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deploy = {
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crappy = deployApp "crappy" "" "switch";
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crappy-light = deployApp "crappy" "light" "switch";
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crappy-min = deployApp "crappy" "min" "switch";
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crappy-min-next = deployApp "crappy-next" "min" "switch";
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desko = deployApp "desko" "" "switch";
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desko-light = deployApp "desko" "light" "switch";
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lappy = deployApp "lappy" "" "switch";
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lappy-light = deployApp "lappy" "light" "switch";
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lappy-min = deployApp "lappy" "min" "switch";
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moby = deployApp "moby" "" "switch";
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moby-light = deployApp "moby" "light" "switch";
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moby-min = deployApp "moby" "min" "switch";
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moby-test = deployApp "moby" "moby" "test";
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servo = deployApp "servo" "" "switch";
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# like `nixos-rebuild --flake . switch`
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self = deployApp "$(hostname)" "" "switch";
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self-light = deployApp "$(hostname)-light" "" "switch";
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self-min = deployApp "$(hostname)-min" "" "switch";
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type = "app";
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program = builtins.toString (pkgs.writeShellScript "deploy-all" ''
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nix run '.#deploy.lappy'
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nix run '.#deploy.moby'
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nix run '.#deploy.desko'
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nix run '.#deploy.servo'
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nix run '.#deploy.crappy'
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'');
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};
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preDeploy = {
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# build the host and copy the runtime closure to that host, but don't activate it.
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crappy = deployApp "crappy" "crappy" null;
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crappy-light = deployApp "crappy-light" "crappy" null;
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crappy-min = deployApp "crappy-min" "crappy" null;
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desko = deployApp "desko" "desko" null;
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desko-light = deployApp "desko-light" "desko" null;
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lappy = deployApp "lappy" "lappy" null;
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lappy-light = deployApp "lappy-light" "lappy" null;
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lappy-min = deployApp "lappy-min" "lappy" null;
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moby = deployApp "moby" "moby" null;
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moby-light = deployApp "moby-light" "moby" null;
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moby-min = deployApp "moby-min" "moby" null;
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servo = deployApp "servo" "servo" null;
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type = "app";
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program = builtins.toString (pkgs.writeShellScript "predeploy-all" ''
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# copy the -min/-light variants first; this might be run while waiting on a full build. or the full build failed.
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nix run '.#preDeploy.moby-min' -- "$@"
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nix run '.#preDeploy.lappy-min' -- "$@"
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nix run '.#preDeploy.crappy-min' -- "$@"
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nix run '.#preDeploy.moby-light' -- "$@"
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nix run '.#preDeploy.lappy-light' -- "$@"
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nix run '.#preDeploy.desko-light' -- "$@"
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nix run '.#preDeploy.crappy-light' -- "$@"
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nix run '.#preDeploy.lappy' -- "$@"
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nix run '.#preDeploy.servo' -- "$@"
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nix run '.#preDeploy.moby' -- "$@"
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nix run '.#preDeploy.desko' -- "$@"
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nix run '.#preDeploy.crappy' -- "$@"
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'');
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};
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sync = {
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type = "app";
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program = builtins.toString (pkgs.writeShellScript "sync-all" ''
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RC_lappy=$(nix run '.#sync.lappy' -- "$@")
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RC_moby=$(nix run '.#sync.moby' -- "$@")
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RC_desko=$(nix run '.#sync.desko' -- "$@")
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echo "lappy: $RC_lappy"
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echo "moby: $RC_moby"
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echo "desko: $RC_desko"
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'');
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};
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sync.desko = {
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# copy music from servo to desko
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# can run this from any device that has ssh access to desko and servo
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type = "app";
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program = builtins.toString (pkgs.writeShellScript "sync-to-desko" ''
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sudo mount /mnt/desko/home
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${pkgs.sane-scripts.sync-music}/bin/sane-sync-music --compat /mnt/servo/media/Music /mnt/desko/home/Music "$@"
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'');
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};
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sync.lappy = {
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# copy music from servo to lappy
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# can run this from any device that has ssh access to lappy and servo
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type = "app";
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program = builtins.toString (pkgs.writeShellScript "sync-to-lappy" ''
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sudo mount /mnt/lappy/home
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${pkgs.sane-scripts.sync-music}/bin/sane-sync-music --compress --compat /mnt/servo/media/Music /mnt/lappy/home/Music "$@"
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'');
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};
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sync.moby = {
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# copy music from servo to moby
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# can run this from any device that has ssh access to moby and servo
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type = "app";
|
||||
program = builtins.toString (pkgs.writeShellScript "sync-to-moby" ''
|
||||
sudo mount /mnt/moby/home
|
||||
sudo mount /mnt/desko/home
|
||||
sudo mount /mnt/servo/media/Books
|
||||
# copy photos/screenshots from moby to desko:
|
||||
${pkgs.rsync}/bin/rsync -arv --exclude servo-macros /mnt/moby/home/Pictures/ /mnt/desko/home/Pictures/moby/
|
||||
# copy books from servo to moby; delete old/untracked ones, but keep KOreader state files (sdr)
|
||||
${pkgs.rsync}/bin/rsync -arv --delete --exclude unprocessed --exclude '*.sdr' /mnt/servo/media/Books/ /mnt/moby/home/Books/local/servo/
|
||||
# N.B.: limited by network/disk -> reduce job count to improve pause/resume behavior
|
||||
${pkgs.sane-scripts.sync-music}/bin/sane-sync-music --compress --compat --jobs 4 /mnt/servo/media/Music /mnt/moby/home/Music "$@"
|
||||
'');
|
||||
};
|
||||
|
||||
check = {
|
||||
type = "app";
|
||||
program = builtins.toString (pkgs.writeShellScript "check-all" ''
|
||||
nix run '.#check.nur'
|
||||
RC0=$?
|
||||
nix run '.#check.hostConfigs'
|
||||
RC1=$?
|
||||
nix run '.#check.rescue'
|
||||
RC2=$?
|
||||
echo "nur: $RC0"
|
||||
echo "hostConfigs: $RC1"
|
||||
echo "rescue: $RC2"
|
||||
exit $(($RC0 | $RC1 | $RC2))
|
||||
'');
|
||||
};
|
||||
|
||||
check.nur = {
|
||||
# `nix run '.#check-nur'`
|
||||
# validates that my repo can be included in the Nix User Repository
|
||||
type = "app";
|
||||
program = builtins.toString (pkgs.writeShellScript "check-nur" ''
|
||||
# pass through these attrs
|
||||
${./.}/scripts/check-nur \
|
||||
-I nixpkgs=${nixpkgsUnpatched} \
|
||||
-I nixpkgs-overlays=${./.}/hosts/common/nix/overlay
|
||||
'');
|
||||
};
|
||||
|
||||
check.hostConfigs = {
|
||||
type = "app";
|
||||
program = let
|
||||
checkHost = host: let
|
||||
shellHost = pkgs.lib.replaceStrings [ "-" ] [ "_" ] host;
|
||||
in ''
|
||||
nix build -v '.#nixosConfigurations.${host}.config.system.build.toplevel' --out-link ./build/result-${host} -j2 "$@"
|
||||
RC_${shellHost}=$?
|
||||
'';
|
||||
in builtins.toString (pkgs.writeShellScript
|
||||
"check-host-configs"
|
||||
''
|
||||
# build minimally-usable hosts first, then their full image.
|
||||
# this gives me a minimal image i can deploy or copy over, early.
|
||||
${checkHost "lappy-min"}
|
||||
${checkHost "moby-min"}
|
||||
${checkHost "crappy-min"}
|
||||
|
||||
${checkHost "desko-light"}
|
||||
${checkHost "moby-light"}
|
||||
${checkHost "lappy-light"}
|
||||
${checkHost "crappy-light"}
|
||||
|
||||
${checkHost "desko"}
|
||||
${checkHost "lappy"}
|
||||
${checkHost "servo"}
|
||||
${checkHost "moby"}
|
||||
${checkHost "crappy"}
|
||||
${checkHost "rescue"}
|
||||
|
||||
# still want to build the -light variants first so as to avoid multiple simultaneous webkitgtk builds
|
||||
${checkHost "desko-light-next"}
|
||||
${checkHost "moby-light-next"}
|
||||
${checkHost "crappy-light-next"}
|
||||
|
||||
${checkHost "desko-next"}
|
||||
${checkHost "lappy-next"}
|
||||
${checkHost "servo-next"}
|
||||
${checkHost "moby-next"}
|
||||
${checkHost "crappy-next"}
|
||||
${checkHost "rescue-next"}
|
||||
|
||||
echo "desko: $RC_desko"
|
||||
echo "lappy: $RC_lappy"
|
||||
echo "servo: $RC_servo"
|
||||
echo "moby: $RC_moby"
|
||||
echo "crappy: $RC_crappy"
|
||||
echo "rescue: $RC_rescue"
|
||||
|
||||
echo "desko-next: $RC_desko_next"
|
||||
echo "lappy-next: $RC_lappy_next"
|
||||
echo "servo-next: $RC_servo_next"
|
||||
echo "moby-next: $RC_moby_next"
|
||||
echo "crappy-next: $RC_crappy_next"
|
||||
echo "rescue-next: $RC_rescue_next"
|
||||
|
||||
# i don't really care if the -next hosts fail. i build them mostly to keep the cache fresh/ready
|
||||
exit $(($RC_desko | $RC_lappy | $RC_servo | $RC_moby | $RC_crappy | $RC_rescue))
|
||||
''
|
||||
);
|
||||
};
|
||||
|
||||
check.rescue = {
|
||||
type = "app";
|
||||
program = builtins.toString (pkgs.writeShellScript "check-rescue" ''
|
||||
nix build -v '.#imgs.rescue' --out-link ./build/result-rescue-img -j2
|
||||
'');
|
||||
};
|
||||
|
||||
bench = {
|
||||
type = "app";
|
||||
program = builtins.toString (pkgs.writeShellScript "bench" ''
|
||||
doBench() {
|
||||
attrPath="$1"
|
||||
shift
|
||||
echo -n "benchmarking eval of '$attrPath'... "
|
||||
/run/current-system/sw/bin/time -f "%e sec" -o /dev/stdout \
|
||||
nix eval --no-eval-cache --quiet --raw ".#$attrPath" --apply 'result: if result != null then "" else "unexpected null"' $@ 2> /dev/null
|
||||
}
|
||||
|
||||
if [ -n "$1" ]; then
|
||||
doBench "$@"
|
||||
else
|
||||
doBench hostConfigs
|
||||
doBench hostConfigs.lappy
|
||||
doBench hostConfigs.lappy.sane.programs
|
||||
doBench hostConfigs.lappy.sane.users.colin
|
||||
doBench hostConfigs.lappy.sane.fs
|
||||
doBench hostConfigs.lappy.environment.systemPackages
|
||||
fi
|
||||
'');
|
||||
};
|
||||
};
|
||||
|
||||
templates = {
|
||||
env.python-data = {
|
||||
# initialize with:
|
||||
# - `nix flake init -t '/home/colin/dev/nixos/#env.python-data'`
|
||||
# then enter with:
|
||||
# - `nix develop`
|
||||
path = ./templates/env/python-data;
|
||||
description = "python environment for data processing";
|
||||
};
|
||||
|
||||
pkgs.make = {
|
||||
# initialize with:
|
||||
# - `nix flake init -t '/home/colin/dev/nixos/#pkgs.make'`
|
||||
path = ./templates/pkgs/make;
|
||||
description = "default Makefile-based derivation";
|
||||
};
|
||||
pkgs.python = {
|
||||
# initialize with:
|
||||
# - `nix flake init -t '/home/colin/dev/nixos/#pkgs.python'`
|
||||
path = ./templates/pkgs/python;
|
||||
description = "python package";
|
||||
};
|
||||
pkgs.rust-inline = {
|
||||
# initialize with:
|
||||
# - `nix flake init -t '/home/colin/dev/nixos/#pkgs.rust-inline'`
|
||||
path = ./templates/pkgs/rust-inline;
|
||||
description = "rust package and development environment (inline rust sources)";
|
||||
};
|
||||
pkgs.rust = {
|
||||
# initialize with:
|
||||
# - `nix flake init -t '/home/colin/dev/nixos/#pkgs.rust'`
|
||||
path = ./templates/pkgs/rust;
|
||||
description = "rust package fit to ship in nixpkgs";
|
||||
};
|
||||
};
|
||||
};
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user