From 1371d3df8ad77e2373b73f98d7c127d6cfd3ae43 Mon Sep 17 00:00:00 2001
From: syberant <sybrand@neuralcoding.com>
Date: Wed, 29 Jul 2020 01:17:52 +0200
Subject: [PATCH] dwm: add conf option Allow users to set their own
 config.def.h configuration file for dwm.

---
 pkgs/applications/window-managers/dwm/default.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/window-managers/dwm/default.nix b/pkgs/applications/window-managers/dwm/default.nix
index 8f9c28c78511..7fddeb451fbd 100644
--- a/pkgs/applications/window-managers/dwm/default.nix
+++ b/pkgs/applications/window-managers/dwm/default.nix
@@ -1,4 +1,6 @@
-{stdenv, fetchurl, libX11, libXinerama, libXft, patches ? []}:
+{stdenv, fetchurl, libX11, libXinerama, libXft, writeText, patches ? [], conf ? null}:
+
+with stdenv.lib;
 
 let
   name = "dwm-6.2";
@@ -18,6 +20,10 @@ stdenv.mkDerivation {
   # Allow users set their own list of patches
   inherit patches;
 
+  # Allow users to set the config.def.h file containing the configuration
+  postPatch = let configFile = if isDerivation conf || builtins.isPath conf then conf else writeText "config.def.h" conf;
+  in optionalString (conf!=null) "cp ${configFile} config.def.h";
+
   buildPhase = " make ";
 
   meta = {