From 7b1be8e27dde294413d4d178e76d21ba8db8412e Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 18 Jan 2012 20:32:45 +0000
Subject: [PATCH] btrfs-progs: small fix for Makefile

line was split so we cannot append anymore because that appends after \

svn path=/nixpkgs/trunk/; revision=31656
---
 pkgs/tools/filesystems/btrfsprogs/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/tools/filesystems/btrfsprogs/default.nix b/pkgs/tools/filesystems/btrfsprogs/default.nix
index 76d185f82d9..68139f416eb 100644
--- a/pkgs/tools/filesystems/btrfsprogs/default.nix
+++ b/pkgs/tools/filesystems/btrfsprogs/default.nix
@@ -33,7 +33,7 @@ rec {
 
   doEnsureBtrfsImage = a.fullDepEntry (''
     if ! grep 'progs = ' Makefile | grep btrfs-image; then
-      sed -e 's/progs = .*/& btrfs-image/' -i Makefile
+      sed -e 's/progs = \(.*\)\\/progs = \1btrfs-image \\/' -i Makefile
     fi
   '') ["minInit" "doUnpack"];