vesktop: add support for multiple themes (#6860)

modules/programs/vesktop.nix

@@ -50,12 +50,15 @@ in
 
     vencord = {
       useSystem = lib.mkEnableOption "Vencord package from Nixpkgs";
-      theme = lib.mkOption {
-        description = "The theme to use for Vencord";
-        default = null;
+      themes = lib.mkOption {
+        description = ''
+          Themes to add for Vencord, they can be enabled by setting
+          `programs.vesktop.vencord.settings.enabledThemes` to `[ "THEME_NAME.css" ]`
+        '';
+        default = { };
         type =
           with lib.types;
-          nullOr (oneOf [
+          attrsOf (oneOf [
             lines
             path
           ]);
@@ -89,24 +92,29 @@ in
     };
   };
 
-  config = lib.mkIf cfg.enable (
-    lib.mkMerge [
-      {
-        home.packages = [
-          (cfg.package.override { withSystemVencord = cfg.vencord.useSystem; })
-        ];
-        xdg.configFile."vesktop/settings.json".source = jsonFormat.generate "vesktop-settings" cfg.settings;
-        xdg.configFile."vesktop/settings/settings.json".source =
-          jsonFormat.generate "vencord-settings" cfg.vencord.settings;
-      }
-      (lib.mkIf (cfg.vencord.theme != null) {
-        programs.vesktop.vencord.settings.enabledThemes = [ "theme.css" ];
-        xdg.configFile."vesktop/themes/theme.css".source =
-          if builtins.isPath cfg.vencord.theme || lib.isStorePath cfg.vencord.theme then
-            cfg.vencord.theme
-          else
-            pkgs.writeText "vesktop/themes/theme.css" cfg.vencord.theme;
-      })
-    ]
-  );
+  config = lib.mkIf cfg.enable {
+    home.packages = [
+      (cfg.package.override { withSystemVencord = cfg.vencord.useSystem; })
+    ];
+    xdg.configFile =
+      lib.attrsets.unionOfDisjoint
+        {
+          "vesktop/settings.json".source = jsonFormat.generate "vesktop-settings" cfg.settings;
+          "vesktop/settings/settings.json".source =
+            jsonFormat.generate "vencord-settings" cfg.vencord.settings;
+        }
+        (
+          lib.mapAttrs' (
+            name: value:
+            lib.nameValuePair "vesktop/themes/${name}.css" {
+              source =
+                if builtins.isPath value || lib.isStorePath value then
+                  value
+                else
+                  pkgs.writeText "vesktop-themes-${name}" value;
+            }
+          ) cfg.vencord.themes
+        );
+
+  };
 }

tests/modules/programs/vesktop/basic-configuration.nix

@@ -13,7 +13,7 @@
         discordBranch = "stable";
       };
       vencord = {
-        theme = ''
+        themes.my_theme = ''
           .privateChannels_f0963d::after {
             content: "";
             position: absolute;
@@ -51,8 +51,8 @@
       assertFileExists $configDir/settings/settings.json
       assertFileContent $configDir/settings/settings.json \
         ${./basic-vencord-settings.json}
-      assertFileExists $configDir/themes/theme.css
-      assertFileContent $configDir/themes/theme.css \
+      assertFileExists $configDir/themes/my_theme.css
+      assertFileContent $configDir/themes/my_theme.css \
         ${./basic-theme.css}
     '';
   };

tests/modules/programs/vesktop/basic-vencord-settings.json

@@ -2,9 +2,6 @@
   "autoUpdate": false,
   "autoUpdateNotification": false,
   "disableMinSize": true,
-  "enabledThemes": [
-    "theme.css"
-  ],
   "notifyAboutUpdates": false,
   "plugins": {
     "FakeNitro": {