From 3e4072fb1e83c20be36e9f2c89adab59e86aeb8f Mon Sep 17 00:00:00 2001
From: Gaute Ravndal <gaute.ravndal@gmail.com>
Date: Wed, 23 Jul 2025 18:15:53 +0200
Subject: [PATCH] xorg.xinit: fix sysserverrc and sysclientrc substitutions

---
 pkgs/servers/x11/xorg/overrides.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index 49f4838a058b..b5f4867f40d8 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -1251,9 +1251,9 @@ self: super:
             xorg.xorgproto
           ];
         postFixup = ''
-          substituteInPlace $out/bin/startx \
-            --replace $out/etc/X11/xinit/xserverrc /etc/X11/xinit/xserverrc \
-            --replace $out/etc/X11/xinit/xinitrc /etc/X11/xinit/xinitrc
+          sed -i $out/bin/startx \
+            -e '/^sysserverrc=/ s:=.*:=/etc/X11/xinit/xserverrc:' \
+            -e '/^sysclientrc=/ s:=.*:=/etc/X11/xinit/xinitrc:'
         '';
         meta = attrs.meta // {
           mainProgram = "xinit";