From 50b213a45e819d7f04d574789db34d1c0ebe2b65 Mon Sep 17 00:00:00 2001
From: Alvar <geistesk@users.noreply.github.com>
Date: Wed, 22 Apr 2020 13:37:42 +0000
Subject: [PATCH] Revert "st: copy config file in 'prePatch' instead of
 'preBuild'"

Also change the custom config generation to the postPatch phase.
---
 pkgs/applications/misc/st/default.nix | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/misc/st/default.nix b/pkgs/applications/misc/st/default.nix
index 33924bdb7be..bb3c57a5990 100644
--- a/pkgs/applications/misc/st/default.nix
+++ b/pkgs/applications/misc/st/default.nix
@@ -13,9 +13,8 @@ stdenv.mkDerivation rec {
 
   inherit patches;
 
-  prePatch = optionalString (conf != null) ''
-    cp ${writeText "config.def.h" conf} config.def.h
-  '';
+  configFile = optionalString (conf!=null) (writeText "config.def.h" conf);
+  postPatch = optionalString (conf!=null) "cp ${configFile} config.def.h";
 
   nativeBuildInputs = [ pkgconfig ncurses ];
   buildInputs = [ libX11 libXft ] ++ extraLibs;