feat(gnome): Add GNOME Nix package to Breezy

Author: shymega

nix/packages/breezy-gnome.nix

@@ -0,0 +1,46 @@
+{
+  self,
+  lib,
+  stdenv,
+  glib,
+  gnome-shell,
+  ...
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "breezy-gnome";
+  version = "unstable";
+
+  src = "${self}/gnome/src";
+
+  buildInputs = [
+    glib
+  ];
+
+  uuid = "[email protected]";
+  DEST_DIR = "$TMPDIR/build/${finalAttrs.uuid}";
+
+  buildPhase = ''
+    runHook preBuild
+
+    glib-compile-schemas schemas
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    extensions_dir="$out/share/gnome-shell/extensions/${finalAttrs.uuid}"
+    mkdir -p "$extensions_dir"
+
+    cp -RLv $src/{schemas,*.js,*.frag,metadata.json,dbus-interfaces,textures} "$extensions_dir"
+
+    runHook postInstall
+  '';
+
+  meta = {
+    homepage = "https://github.com/wheaney/breezy-desktop";
+    maintainers = with lib.maintainers; [shymega];
+    platforms = lib.platforms.linux;
+  };
+})
+