From f5f8671ab6f22f63990dcd5cb02c2bf2b32e0659 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Sun, 8 Jul 2012 19:25:13 +0200
Subject: Truncating udev persistent net rules in
 remove-udev-persistent-rules.chroot hook rather than to remove them (Closes:
 #680763).

This allows to have non-persistent net devices with persistence properly,
see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=680763#10 for more information.
---
 scripts/build/lb_chroot_hacks | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'scripts')

diff --git a/scripts/build/lb_chroot_hacks b/scripts/build/lb_chroot_hacks
index d27d2d48b..804811683 100755
--- a/scripts/build/lb_chroot_hacks
+++ b/scripts/build/lb_chroot_hacks
@@ -147,8 +147,14 @@ rm -f chroot/var/lib/dbus/machine-id
 # they are regenerated by live-config.
 rm -f chroot/etc/ssh/ssh_host_*_key chroot/etc/ssh/ssh_host_*_key.pub
 
-# Removing udev mac caching rule
-rm -f chroot/etc/udev/rules.d/*persistent-net.rules
+# Truncating udev mac caching rule
+for _FILE in /etc/udev/rules.d/*persistent-net.rules
+do
+	if [ -e "${_FILE}" ]
+	then
+		: > ${_FILE}
+	fi
+done
 
 case "${LB_BINARY_IMAGES}" in
 	net)
-- 
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