Merge pull request #323167 from eclairevoyant/xwayland-impurity

xwayland: fix impure dependency on /bin/sh

pkgs/servers/x11/xorg/xwayland.nix

@@ -1,4 +1,5 @@
 { egl-wayland
+, bash
 , libepoxy
 , fetchurl
 , fetchpatch
@@ -73,6 +74,11 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  postPatch = ''
+    substituteInPlace os/utils.c \
+      --replace-fail '/bin/sh' '${lib.getExe' bash "sh"}'
+  '';
+
   depsBuildBuild = [
     pkg-config
   ];