From da021cdda1f019f9a75982f44bd8c9b748ae947d Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Fri, 10 Jun 2016 17:51:18 +0200
Subject: [PATCH] xscreensaver: an option to install all the hacks, including
 retired ones and DNA logo

---
 pkgs/misc/screensavers/xscreensaver/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/misc/screensavers/xscreensaver/default.nix b/pkgs/misc/screensavers/xscreensaver/default.nix
index fd0f2d93581..3540119e665 100644
--- a/pkgs/misc/screensavers/xscreensaver/default.nix
+++ b/pkgs/misc/screensavers/xscreensaver/default.nix
@@ -1,6 +1,7 @@
 { stdenv, fetchurl, pkgconfig, bc, perl, pam, libXext, libXScrnSaver, libX11
 , libXrandr, libXmu, libXxf86vm, libXrender, libXxf86misc, libjpeg, mesa, gtk
 , libxml2, libglade, intltool, xorg, makeWrapper, gle
+, forceInstallAllHacks ? false
 }:
 
 stdenv.mkDerivation rec {
@@ -36,7 +37,14 @@ stdenv.mkDerivation rec {
   postInstall = ''
       wrapProgram $out/bin/xscreensaver-text \
         --prefix PATH : ${stdenv.lib.makeBinPath [xorg.appres]}
-  '';
+  ''
+  + stdenv.lib.optionalString forceInstallAllHacks ''
+    make -C hacks/glx dnalogo
+    cat hacks/Makefile.in | grep -E '([a-z0-9]+):[[:space:]]*\1[.]o' | cut -d : -f 1  | xargs make -C hacks
+    cat hacks/glx/Makefile.in | grep -E '([a-z0-9]+):[[:space:]]*\1[.]o' | cut -d : -f 1  | xargs make -C hacks/glx
+    cp -f $(find hacks -type f -perm -111 "!" -name "*.*" )  "$out/libexec/xscreensaver"
+  ''
+  ;
 
   meta = {
     homepage = "http://www.jwz.org/xscreensaver/";