home/vscode: move extension update timer to separate module

flake.nix

@@ -167,6 +167,7 @@
       prism-launcher = ./home/modules/programs/prism-launcher;
       shellAliases = ./home/modules/shellAliases.nix;
       systemd-tmpfiles = ./home/modules/systemd-tmpfiles.nix;
+      vscode-auto-extension-updater = ./home/modules/programs/vscode/auto-extension-updater.nix;
     };
 
     homeConfigurations = {

home/modules/programs/vscode/auto-extension-updater.nix

@@ -0,0 +1,50 @@
+{ config, lib, ... }:
+let
+  cfg = config.programs.vscode;
+in
+{
+  options.programs.vscode.autoUpdateExtensions = {
+     enable = lib.mkEnableOption "" // {
+      description = "Whether to automatically update mutably installed vscode extensions.";
+    };
+
+    onCalendar = lib.mkOption {
+      type = lib.types.str;
+      default = "daily";
+      example = "weekly";
+      # TODO: link to systemd manpage for format.
+      description = "How often to update the database.";
+    };
+  };
+
+  config = lib.mkIf (cfg.enable && cfg.autoUpdateExtensions.enable) {
+    systemd.user.services.update-vscode-extensions = {
+      Unit = {
+        Description = "Update vscode extensions";
+      };
+
+      Service = {
+        Type = "oneshot";
+        CPUSchedulingPolicy = "idle";
+        IOSchedulingClass = "idle";
+        ExecStart = "${lib.getExe cfg.package} --update-extensions";
+      };
+    };
+
+    systemd.user.timers.update-vscode-extensions = {
+      Unit = {
+        Description = "Update vscode extensions";
+      };
+
+      Timer = {
+        Unit = "update-vscode-extensions.service";
+        OnCalendar = cfg.autoUpdateExtensions.onCalendar;
+        Persistent = true;
+      };
+
+      Install = {
+        WantedBy = [ "timers.target" ];
+      };
+    };
+  };
+}

home/programs/vscode/auto-update-extensions.nix

@@ -1,35 +0,0 @@
-{ config, lib, ... }:
-let
-  cfg = config.programs.vscode;
-in
-lib.mkIf cfg.enable {
-  # TODO: add `dirname` to $PATH upstream
-  systemd.user.services.update-vscode-extensions = {
-    Unit = {
-      Description = "Update vscode extensions";
-    };
-
-    Service = {
-      Type = "oneshot";
-      CPUSchedulingPolicy = "idle";
-      IOSchedulingClass = "idle";
-      ExecStart = "${lib.getExe cfg.package} --update-extensions";
-    };
-  };
-
-  systemd.user.timers.update-vscode-extensions = {
-    Unit = {
-      Description = "Update vscode extensions";
-    };
-
-    Timer = {
-      Unit = "update-vscode-extensions.service";
-      OnCalendar = "daily";
-      Persistent = true;
-    };
-
-    Install = {
-      WantedBy = [ "timers.target" ];
-    };
-  };
-}

home/programs/vscode/default.nix

@@ -3,10 +3,6 @@ let
   cfg = config.programs.vscode;
 in
 {
-  imports = [
-    ./auto-update-extensions.nix
-  ];
-
   # home.file = let
   #   configDir = {
   #     "vscode" = "Code";
@@ -33,6 +29,8 @@ in
       '';
     });
 
+    autoUpdateExtensions.enable = true;
+
     profiles.default = {
       userSettings = let
         mapPrefixToSet = prefix: set: