programs: buildCost: introduce a new level between min and light

flake.nix

@@ -121,7 +121,7 @@
             nixpkgs.hostPlatform.system = target;
           })
           (optionalAttrs (variant == "light") {
-            sane.maxBuildCost = 1;
+            sane.maxBuildCost = 2;
           })
           (optionalAttrs (variant == "min") {
             sane.maxBuildCost = 0;

hosts/common/programs/assorted.nix

@@ -758,7 +758,7 @@ in
     ];
 
     qemu.sandbox.enable = false;  #< it's a launcher
-    qemu.buildCost = 1;
+    qemu.buildCost = 2;
 
     rsync.sandbox.method = "bwrap";
     rsync.sandbox.net = "clearnet";

hosts/common/programs/epiphany.nix

@@ -23,7 +23,7 @@
       "tmp"
     ];
 
-    buildCost = 1;
+    buildCost = 2;
 
     # XXX(2023/07/08): running on moby without `WEBKIT_DISABLE_SANDBOX...` fails, with:
     # - `bwrap: Can't make symlink at /var/run: File exists`

hosts/common/programs/geary.nix

@@ -37,7 +37,7 @@ in
     # fs.".config/geary".dir = {};
     # fs.".local/share/folks".dir = {};
 
-    buildCost = 2;  # uses webkitgtk 4.1
+    buildCost = 3;  # uses webkitgtk 4.1
     persist.byStore.private = [
       # attachments, and email -- contained in a sqlite db
       ".local/share/geary"

hosts/common/programs/komikku.nix

@@ -16,7 +16,7 @@
     sandbox.whitelistDri = true;  #< required
     sandbox.whitelistWayland = true;
 
-    buildCost = 1;
+    buildCost = 2;
 
     secrets.".local/share/komikku/keyrings/plaintext.keyring" = ../../../secrets/common/komikku_accounts.json.bin;
     # downloads end up here, and without the toplevel database komikku doesn't know they exist.

hosts/common/programs/libreoffice.nix

@@ -16,7 +16,7 @@
       "tmp"
     ];
 
-    buildCost = 2;
+    buildCost = 3;
 
     # disable first-run stuff
     fs.".config/libreoffice/4/user/registrymodifications.xcu".symlink.text = ''

hosts/common/programs/newsflash.nix

@@ -13,7 +13,7 @@ let
   wanted-feeds = feeds.filterByFormat [ "text" "image" "podcast" "video" ] all-feeds;
 in {
   sane.programs.newsflash = {
-    buildCost = 1;  # mainly for desktop: webkitgtk-6.0
+    buildCost = 2;  # mainly for desktop: webkitgtk-6.0
     persist.byStore.plaintext = [ ".local/share/news-flash" ];
     fs.".config/newsflashFeeds.opml".symlink.text =
       feeds.feedsToOpml wanted-feeds

hosts/common/programs/planify.nix

@@ -10,6 +10,6 @@
       ".local/share/io.github.alainm23.planify"
     ];
 
-    buildCost = 1;  # webkitgtk-6.0; slow for desktop
+    buildCost = 2;  # webkitgtk-6.0; slow for desktop
   };
 }

hosts/common/programs/tangram.nix

@@ -27,7 +27,7 @@ in
       '' + (upstream.preFixup or "");
     });
 
-    buildCost = 1;
+    buildCost = 2;
 
     sandbox.method = "bwrap";
     sandbox.net = "clearnet";

hosts/common/programs/wike.nix

@@ -20,7 +20,7 @@
       "/sys/devices"
     ];
 
-    buildCost = 1;
+    buildCost = 2;
 
     # wike probably meant to put everything here in a subdir, but didn't.
     # see: <https://github.com/hugolabe/Wike/issues/176>

hosts/common/programs/wireshark.nix

@@ -13,6 +13,6 @@ in
     ];
 
     fs.".config/wireshark".dir = {};
-    buildCost = 1;
+    buildCost = 2;
   };
 }

hosts/common/programs/zeal.nix

@@ -15,7 +15,7 @@ in {
   sane.programs.zeal = {
     # packageUnwrapped = pkgs.zeal-qt6;  #< TODO: upgrade system to qt6 versions of everything (i.e. jellyfin-media-player, nheko)
     packageUnwrapped = pkgs.zeal-qt5;
-    buildCost = 2;
+    buildCost = 3;
     persist.byStore.plaintext = [
       ".cache/Zeal"
       ".local/share/Zeal"

modules/programs/default.nix

@@ -297,11 +297,15 @@ let
         '';
       };
       buildCost = mkOption {
-        type = types.enum [ 0 1 2 ];
+        type = types.enum [ 0 1 2 3 ];
         default = 0;
         description = ''
           whether this package is very slow, or has unique dependencies which are very slow to build.
           marking packages like this can be used to achieve faster, but limited, rebuilds/deploys (by omitting the package).
+          - 0: this package is necessary for baseline usability
+          - 1: this package is a nice-to-have, and not too costly to build
+          - 2: this package is a nice-to-have, but costly to build (e.g. `libreoffice`, some webkitgtk-based things)
+          - 3: this package is costly to build, and could go without (some lesser-used webkitgtk-based things)
         '';
       };
       sandbox.net = mkOption {