gistfile1.txt

{stdenv, fetchurl, itstool, buildPythonPackage, pygtk, python, intltool, scrollkeeper, makeWrapper, libxml2, pygobject3}:

let
  minor = "3.12";
  version = "${minor}.3";
in

# Requirements
# Python 2.7 (Python 3 not yet supported)
# GTK+ 3.6 (3.12 in development)
# GLib 2.34 (2.36 in development)
# PyGObject 3.8
# GtkSourceView 3.6 (3.10 in development)

buildPythonPackage rec {
  name = "meld-${version}";

  src = fetchurl {
    url = "mirror://gnome/sources/meld/${minor}/meld-${version}.tar.xz";
    sha256 = "1zg6qhm53j0vxmjj3pcj2hwi8c12dxzmlh98zks0jnwhqv2p4dfv";
  };

  buildInputs = [ pygtk python intltool scrollkeeper makeWrapper itstool libxml2 pygobject3 ];

  installPhase = ''
    mkdir -p "$out/lib/${python.libPrefix}/site-packages"

    export PYTHONPATH="$out/lib/${python.libPrefix}/site-packages:$PYTHONPATH"

    ${python}/bin/${python.executable} setup.py install \
      --install-lib=$out/lib/${python.libPrefix}/site-packages \
      --prefix="$out"
  '';


  patchPhase = ''
    sed -e 's,#!.*,#!${python}/bin/python,' -i bin/meld
  '';

  postInstall = ''
    wrapProgram $out/bin/meld --prefix PYTHONPATH : $PYTHONPATH:${pygtk}/lib/${python.libPrefix}/site-packages/gtk-2.0
  '';

  meta = with stdenv.lib; {
    description = "Visual diff and merge tool";
    homepage = http://meld.sourceforge.net;
    license = stdenv.lib.licenses.gpl2;
    platforms = platforms.linux ++ stdenv.lib.platforms.darwin;
  };
}