System/Darwinix: Add casks (obsidian, discord, ...)

home/christoph/darwinix/default.nix

@@ -107,13 +107,22 @@
         rclone
         httpie
 
+        jellyfin-tui
+
         inputs.nps.packages.${pkgs.stdenv.hostPlatform.system}.default
 
         cachix
 
         # GUI
         ripdrag
-        jellyfin-tui
+
+        # Darwin
+        # alt-tab-macos
+        # discord # HomeBrew
+        # obsidian # HomeBrew
+        # nextcloud-client # HomeBrew
+        # protonvpn-gui # HomeBrew
+        # iina
       ];
 
       stateVersion = "25.11";

system/darwinix/default.nix

@@ -139,7 +139,23 @@
   homebrew = {
     enable = true;
     enableFishIntegration = true;
-    # brews = [];
+
+    onActivation = {
+      autoUpdate = true;
+      cleanup = "zap"; # Uninstall unlisted casks and associated files on rebuild
+      upgrade = true;
+    };
+
+    brews = [];
+
+    casks = [
+      "alt-tab"
+      "discord"
+      "iina"
+      "nextcloud"
+      "obsidian"
+      "protonvpn"
+    ];
   };
 
   # Set Git commit hash for darwin-version.