* wrapPythonPrograms: rewrite the common "#! .../env python" idiom to

"#! .../python".

svn path=/nixpkgs/branches/modular-python/; revision=26583

pkgs/servers/gpsd/default.nix

@@ -1,6 +1,6 @@
 { fetchurl, stdenv, python, pkgconfig, dbus, dbus_glib
-, ncurses, libX11, libXt, libXpm, libXaw, libXext, makeWrapper
-, libxslt, xmlto, gpsdUser ? "gpsd" }:
+, ncurses, libX11, libXt, libXpm, libXaw, libXext, wrapPython
+, libxslt, xmlto, gpsdUser ? "gpsd", pythonPackages }:
 
 stdenv.mkDerivation rec {
   name = "gpsd-2.39";
@@ -13,28 +13,18 @@ stdenv.mkDerivation rec {
   buildInputs = [
     python pkgconfig dbus dbus_glib ncurses
     libX11 libXt libXpm libXaw libXext
-    makeWrapper libxslt xmlto
+    wrapPython libxslt xmlto
   ];
 
-  configureFlags = "--enable-dbus --enable-gpsd-user=${gpsdUser} "
+  pythonPath = [ pythonPackages.curses ];
 
+  configureFlags = "--enable-dbus --enable-gpsd-user=${gpsdUser} "
     # Make sure `xgpsspeed' has libXt and libX11 in its RPATH.
     + "LDFLAGS=-Wl,--rpath=${libXt}/lib:${libX11}/lib";
 
   doCheck = true;
 
-  postInstall = ''
-    for prog in "$out/bin"/*
-    do
-      if grep -q python "$prog"
-      then
-          echo "patching \`$prog'..."
-          wrapProgram "$prog"                                                   \
-            --prefix PATH ":" "${python}/bin"                                   \
-            --prefix PYTHONPATH ":" "$out/lib/${python.libPrefix}/site-packages"
-      fi
-    done
-  '';
+  postInstall = "wrapPythonPrograms";
 
   meta = {
     description = "`gpsd', a GPS service daemon";