✨ Add custom packages support through pkgs directory

homes/x86_64-linux/jo/apps/firefox/default.nix

···
       @import "onebar/onebar.css";
     '';
 
-  home.file.".mozilla/firefox/default/chrome/onebar/onebar.css".source = ./onebar.css;
+  home.file.".mozilla/firefox/default/chrome/onebar/onebar.css".source =
+    mkIf config.programs.firefox.enable ./onebar.css;
 }

homes/x86_64-linux/jo/apps/youtube-music/catppuccin-frappe.css

···
-/* frappe */
-@import url("https://youtubemusic.catppuccin.com/src/frappe.css");
-
-html:not(.style-scope) {
-    --ctp-accent: var(--ctp-blue) !important;
-}

homes/x86_64-linux/jo/apps/youtube-music/catppuccin-latte.css

···
-/* latte */
-@import url("https://youtubemusic.catppuccin.com/src/latte.css");
-
-html:not(.style-scope) {
-    --ctp-accent: var(--ctp-blue) !important;
-}

homes/x86_64-linux/jo/apps/youtube-music/catppuccin-macchiato.css

···
-/* macchiato */
-@import url("https://youtubemusic.catppuccin.com/src/macchiato.css");
-
-html:not(.style-scope) {
-    --ctp-accent: var(--ctp-blue) !important;
-}

homes/x86_64-linux/jo/apps/youtube-music/catppuccin-mocha.css

···
-/* mocha */
-@import url("https://youtubemusic.catppuccin.com/src/mocha.css");
-
-html:not(.style-scope) {
-    --ctp-accent: var(--ctp-blue) !important;
-}

homes/x86_64-linux/jo/apps/youtube-music/default.nix

···
-{
-  ...
-}:
-{
-
-}

homes/x86_64-linux/jo/default.nix

···
   imports = [
     ./apps/discord
     ./apps/firefox
-    ./apps/youtube-music
   ];
 
   puzzlevision = {
···
     path = "${config.home.homeDirectory}/.wakatime.cfg";
   };
 
+  programs.git = {
+    enable = true;
+  };
+
   home.packages = with pkgs; [
     ## GENERAL
     ghostty
···
     ## RUNTIMES and CLIs for development
     bun
     git
+    git-credential-oauth
     attic-client
   ];
 

modules/flake/default.nix

···
 
     # Automagically imports systems from "/systems/arch-classname/system-name".
     ./systems.nix
+
+    # Automagically import custom packages defined in "/pkgs/pkg-name/default.nix"
+    ./packages.nix
   ];
 }

modules/flake/lib.nix

···
     else
       [ ];
 
+  filesystemEntityToPackage =
+    directory: pkgs: pkgArgs: name: type:
+    if type == "directory" then
+      dirToPkgAttrSet "${directory}/${name}" pkgs pkgArgs
+    else if name == "default.nix" then
+      {
+        ${builtins.unsafeDiscardStringContext (builtins.baseNameOf directory)} =
+          pkgs.callPackage "${directory}/${name}" pkgArgs;
+      }
+    else
+      { };
+
   dirToModuleList =
     directory:
     let
···
       acc // (filesystemEntityToAttrSet directory importArgs name (builtins.getAttr name readDir))
     ) { } (builtins.attrNames readDir);
 
+  dirToPkgAttrSet =
+    directory: pkgs: pkgArgs:
+    let
+      # Read provided directory only once at the very start and save the result.
+      readDir = readDirectory directory;
+    in
+    builtins.foldl' (
+      acc: name:
+      acc // (filesystemEntityToPackage directory pkgs pkgArgs name (builtins.getAttr name readDir))
+    ) { } (builtins.attrNames readDir);
+
   puzzlelib = dirToAttrSet ../../lib { inherit lib self; } // {
     inherit
       dirToAttrSet
+      dirToPkgAttrSet
       dirToModuleList
       filesystemEntityToList
       filesystemEntityToAttrSet
+      filesystemEntityToPackage
       ;
   };
 in

modules/flake/packages.nix

···
+{
+  self,
+  ...
+}:
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      packages = self.lib.dirToPkgAttrSet ../../pkgs pkgs { };
+    };
+}