From e7c1aa52cc9594fa48622c2048ab69766f3f27d3 Mon Sep 17 00:00:00 2001
From: Florian Friesdorf <flo@chaoflow.net>
Date: Sat, 21 Jul 2012 00:11:02 +0200
Subject: [PATCH] python: rename eventually created easy_install.pth to
 pkg-specific file

---
 pkgs/development/python-modules/generic/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/development/python-modules/generic/default.nix b/pkgs/development/python-modules/generic/default.nix
index 4e0b6100231..4aa17d28b25 100644
--- a/pkgs/development/python-modules/generic/default.nix
+++ b/pkgs/development/python-modules/generic/default.nix
@@ -20,6 +20,15 @@
 , installCommand ?
     ''
       easy_install --prefix="$out" .
+
+      # A pth file might have been generated to load the package from
+      # within its own site-packages, rename this package not to
+      # collide with others.
+      eapth="$out/lib/${python.libPrefix}"/site-packages/easy-install.pth
+      if [ -e "$eapth" ]; then
+          # move colliding easy_install.pth to specifically named one
+          mv "$eapth" $(dirname "$eapth")/${name}.pth
+      fi
     ''
     
 , buildPhase ? "true"