From dbe2325603420a89aa030994138bb54167fab81d Mon Sep 17 00:00:00 2001
From: David Guibert <david.guibert@gmail.com>
Date: Wed, 27 Jun 2012 20:41:07 +0200
Subject: [PATCH] fix the grep pattern finding programs called by absolute
 paths in udev rules.

---
 modules/services/hardware/udev.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/services/hardware/udev.nix b/modules/services/hardware/udev.nix
index 0b63d7543ea0..3bbf24bb3791 100644
--- a/modules/services/hardware/udev.nix
+++ b/modules/services/hardware/udev.nix
@@ -73,7 +73,7 @@ let
       echo "OK"
 
       echo -n "Checking that all programs call by absolute paths in udev rules exist ... "
-      import_progs=$(grep 'IMPORT{program}="/' $out/* |
+      import_progs=$(grep 'IMPORT{program}="\/' $out/* |
         sed -e 's/.*IMPORT{program}="\([^ "]*\)[ "].*/\1/' | uniq)
       run_progs=$(grep -v '^[[:space:]]*#' $out/* | grep 'RUN+="/' |
         sed -e 's/.*RUN+="\([^ "]*\)[ "].*/\1/' | uniq)