Make zsh install conditional.

nix/configuration/hosts/neelix/default.nix

@@ -30,4 +30,6 @@
   me.kodi.enable = true;
   me.lvfs.enable = true;
   me.sound.enable = true;
+  me.zrepl.enable = true;
+  me.zsh.enable = true;
 }

nix/configuration/hosts/odo/default.nix

@@ -54,4 +54,9 @@
   me.sway.enable = true;
   me.terraform.enable = true;
   me.vnc_client.enable = true;
+  me.vscode.enable = true;
+  me.wasm.enable = true;
+  me.waybar.enable = true;
+  me.zrepl.enable = true;
+  me.zsh.enable = true;
 }

nix/configuration/roles/vscode/default.nix

@@ -8,7 +8,18 @@
 {
   imports = [ ];
 
-  config = lib.mkIf config.me.graphical {
+  options.me = {
+    vscode.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install vscode.";
+    };
+  };
+
+  config = lib.mkIf config.me.vscode.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
         allowedUnfree = [
           "vscode"
           "vscode-with-extensions"
@@ -45,5 +56,7 @@
               source = ./files/keybindings.json;
             };
           };
-  };
+      })
+    ]
+  );
 }

nix/configuration/roles/wasm/default.nix

@@ -8,9 +8,24 @@
 {
   imports = [ ];
 
+  options.me = {
+    wasm.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install wasm.";
+    };
+  };
+
+  config = lib.mkIf config.me.wasm.enable (
+    lib.mkMerge [
+      {
         environment.systemPackages = with pkgs; [
           wabt
           wasm-bindgen-cli
           binaryen # for wasm-opt
         ];
       }
+    ]
+  );
+}

nix/configuration/roles/waybar/default.nix

@@ -4,6 +4,7 @@
   pkgs,
   ...
 }:
+
 let
   waybar_sway_config = pkgs.writeTextFile {
     name = "waybar.conf";
@@ -79,6 +80,18 @@ in
 {
   imports = [ ];
 
+  options.me = {
+    waybar.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install waybar.";
+    };
+  };
+
+  config = lib.mkIf config.me.waybar.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
         environment.systemPackages = with pkgs; [
           waybar
           waybar_available_memory
@@ -112,5 +125,7 @@ in
               };
             };
           };
-
+      })
+    ]
+  );
 }

nix/configuration/roles/zrepl/default.nix

@@ -8,6 +8,18 @@
 {
   imports = [ ];
 
+  options.me = {
+    zrepl.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install zrepl.";
+    };
+  };
+
+  config = lib.mkIf config.me.zrepl.enable (
+    lib.mkMerge [
+      {
         services.zrepl = {
           enable = true;
           settings = {
@@ -43,3 +55,6 @@
           };
         };
       }
+    ]
+  );
+}

nix/configuration/roles/zsh/default.nix

@@ -55,6 +55,18 @@ in
 {
   imports = [ ];
 
+  options.me = {
+    zsh.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install zsh.";
+    };
+  };
+
+  config = lib.mkIf config.me.zsh.enable (
+    lib.mkMerge [
+      {
         environment.systemPackages = with pkgs; [
           zsh
         ];
@@ -88,3 +100,6 @@ in
           };
         };
       }
+    ]
+  );
+}