fix broken rebuilds

platforms/home-manager/modules/nmasur/presets/programs/cargo.nix

@@ -18,16 +18,16 @@ in
       ca = "cargo";
     };
 
-    home.packages = with pkgs; [
-      gcc
-      rustc
-      cargo
-      cargo-watch
-      clippy
-      rustfmt
-      pkg-config
-      openssl
-      rust-analyzer
+    home.packages = [
+      pkgs.gcc
+      pkgs.rustc
+      pkgs.cargo
+      pkgs.stable.cargo-watch
+      pkgs.clippy
+      pkgs.rustfmt
+      pkgs.pkg-config
+      pkgs.openssl
+      pkgs.rust-analyzer
     ];
   };
 }

platforms/home-manager/modules/nmasur/presets/programs/zellij.nix

@@ -109,6 +109,10 @@ in
 
       settings = {
         default_mode = "locked";
+        # Spawn fish directly instead of trusting $SHELL, which inherits the
+        # macOS login shell. On darwin that login shell is no longer managed by
+        # nix-darwin, so $SHELL can point at a stale /run/current-system path.
+        default_shell = lib.getExe pkgs.fish;
         # default_layout = "compact-top";
         # Remove border
         pane_frames = false;

platforms/nix-darwin/modules/nmasur/profiles/base.nix

@@ -19,7 +19,7 @@ in
     nmasur.presets = {
       programs = {
         _1password.enable = lib.mkDefault true;
-        # fish.enable = lib.mkDefault true;
+        fish.enable = lib.mkDefault true;
         # homebrew.enable = lib.mkDefault true;
       };
       services = {