mako: simplify with a rmDbusServices helper

hosts/common/programs/mako.nix

@@ -3,12 +3,8 @@
 { lib, config, pkgs, ... }:
 {
   sane.programs.mako = {
-    package = pkgs.mako.overrideAttrs (upstream: {
-      postInstall = (upstream.postInstall or "") + ''
-        # we control mako as a systemd service, so have dbus not automatically activate it.
-        rm $out/share/dbus-1/services/fr.emersion.mako.service
-      '';
-    });
+    # we control mako as a systemd service, so have dbus not automatically activate it.
+    package = pkgs.rmDbusServices pkgs.mako;
     fs.".config/mako/config".symlink.text = ''
       # notification interaction mapping
       # "on-touch" defaults to "dismiss", which isn't nice for touchscreens.

pkgs/additional/trivial-builders/default.nix

@@ -0,0 +1,12 @@
+{ symlinkJoin }:
+{
+  # given some package, create a new package which symlinks every file of the original
+  # *except* for its dbus files.
+  rmDbusServices = pkg: symlinkJoin {
+    name = pkg.name or pkg.pname;
+    paths = [ pkg ];
+    postBuild = ''
+      rm -rf $out/share/dbus-1
+    '';
+  };
+}

pkgs/default.nix

@@ -60,6 +60,10 @@ let
     sxmo-utils-latest = sxmo-utils'.latest;
     tow-boot-pinephone = callPackage ./additional/tow-boot-pinephone { };
     tree-sitter-nix-shell = callPackage ./additional/tree-sitter-nix-shell { };
+    trivial-builders = lib.recurseIntoAttrs (callPackage ./additional/trivial-builders { });
+    inherit (trivial-builders)
+      rmDbusServices
+    ;
     unftp = callPackage ./additional/unftp { };
     xdg-terminal-exec = callPackage ./additional/xdg-terminal-exec { };
     zecwallet-light-cli = callPackage ./additional/zecwallet-light-cli { };