From 8fe87559a9040cba66cbacfc60f6f1b1fc84cf1c Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Sun, 1 Dec 2024 18:27:19 +0100
Subject: [PATCH] nixos/lib: Add disablePackageByName

We do this in multiple DE modules and the behaviour was not consistent.
---
 nixos/lib/utils.nix | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/nixos/lib/utils.nix b/nixos/lib/utils.nix
index 82bbfae0178b..a0518660a511 100644
--- a/nixos/lib/utils.nix
+++ b/nixos/lib/utils.nix
@@ -343,6 +343,25 @@ utils = rec {
     in
       filter (x: !(elem (getName x) namesToRemove)) packages;
 
+  /* Returns false if a package with the same name as the `package` is present in `packagesToDisable`.
+
+     Type:
+       disablePackageByName :: package -> [package] -> bool
+
+     Example:
+       disablePackageByName file-roller [ file-roller totem ]
+       => false
+
+     Example:
+       disablePackageByName nautilus [ file-roller totem ]
+       => true
+  */
+  disablePackageByName = package: packagesToDisable:
+    let
+      namesToDisable = map getName packagesToDisable;
+    in
+      !elem (getName package) namesToDisable;
+
   systemdUtils = {
     lib = import ./systemd-lib.nix { inherit lib config pkgs utils; };
     unitOptions = import ./systemd-unit-options.nix { inherit lib systemdUtils; };