packages/gnome-control-center: disable alert chooser structurally with XML editing

packages/patched-derivations.nix

@@ -9,7 +9,18 @@ super: rec {
 
   kubo = patch super.kubo "patches/base/ipfs";
 
-  gnome-control-center = patch' super.gnome.gnome-control-center;
+  gnome-control-center = super.gnome.gnome-control-center.overrideAttrs (old: {
+    postPatch = (old.postPatch or "") + ''
+      echo disabling alert sound chooser
+      ${super.xmlstarlet}/bin/xmlstarlet edit -L \
+        -s '//property[@name="title" and text()="_Alert Sound"]/..' -t elem -n propertyAlertSoundVisible -v False \
+        -s //propertyAlertSoundVisible -t attr -n name -v visible \
+        -r //propertyAlertSoundVisible -v property \
+        panels/sound/cc-sound-panel.ui
+
+      test "$(${super.xmlstarlet}/bin/xmlstarlet select -t -c '//property[@name="title" and text()="_Alert Sound"]/../property[@name="visible"]/text()' panels/sound/cc-sound-panel.ui)" == "False"
+    '';
+  });
 
   libfprint = (patch' super.libfprint).overrideAttrs (old: {
     buildInputs = old.buildInputs ++ [

patches/base/gnome-control-center/no-alert-chooser.patch

@@ -1,12 +0,0 @@
-diff --git a/panels/sound/cc-sound-panel.ui b/panels/sound/cc-sound-panel.ui
-index 97ae875ec..c679a9e1a 100644
---- a/panels/sound/cc-sound-panel.ui
-+++ b/panels/sound/cc-sound-panel.ui
-@@ -372,6 +372,7 @@
-                   <object class="AdwActionRow">
-                     <property name="title" translatable="yes">Alert Sound</property>
-                     <property name="activatable">True</property>
-+                    <property name="visible">False</property>
-                     <accessibility>
-                       <relation name="described-by">alert_sound_label</relation>
-                     </accessibility>