From 4e7208fe2e956eb69a6d5fc3d5cafa7ba373f564 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
Date: Thu, 9 May 2013 18:40:29 +0000
Subject: [PATCH] Adding a KDE wrapper, to easily have KDE programs in nix-env.

Specially for those not running KDE.
---
 pkgs/build-support/kdewrapper/default.nix | 40 +++++++++++++++++++++++
 pkgs/top-level/all-packages.nix           |  2 ++
 2 files changed, 42 insertions(+)
 create mode 100644 pkgs/build-support/kdewrapper/default.nix

diff --git a/pkgs/build-support/kdewrapper/default.nix b/pkgs/build-support/kdewrapper/default.nix
new file mode 100644
index 00000000000..a9418ba1f96
--- /dev/null
+++ b/pkgs/build-support/kdewrapper/default.nix
@@ -0,0 +1,40 @@
+{ stdenv, kde4, shared_mime_info, extraLibs ? [] }:
+
+/* Supply a KDE program, and it will have the necessary KDE vars to
+  get icons, mime types, etc. working.
+  For example:
+  
+  packageOverrides = pkgs : {
+    kdenliveWrapped = kde4.wrapper kde4.kdenlive;
+  };
+  */
+program:
+
+let
+  libs = with kde4; [ kdelibs kde_runtime oxygen_icons shared_mime_info ] + extra;
+in
+stdenv.mkDerivation {
+  name = program.name + "-wrapped";
+
+  inherit libs;
+
+  buildCommand = ''
+    ensureDir $out/bin
+
+    KDEDIRS=
+    QT_PLUGIN_PATH=
+    for a in $libs; do
+      KDEDIRS=$a''${KDEDIRS:+:}$KDEDIRS
+      QT_PLUGIN_PATH=$a''${KDEDIRS:+:}$KDEDIRS
+    done
+    for a in ${program}/bin/*; do 
+      PROG=$out/bin/`basename $a` 
+    cat > $PROG << END
+      export KDEDIRS=$KDEDIRS
+      export QT_PLUGIN_PATH=$KDEDIRS
+      exec $a "\$@"
+    END
+    chmod +x $PROG
+    done
+  '';
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 387bbc61d55..cd31fc1a4e2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8609,6 +8609,8 @@ let
     in kde4 // {
       inherit kde4;
 
+      wrapper = callPackage ../build-support/kdewrapper {};
+
       recurseForRelease = true;
 
       akunambol = callPackage ../applications/networking/sync/akunambol { };