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You have been subscribed to a public bug by Jan Groenewald (jan-aims):

The current UCK version fails on resolv.conf when remastering Precise
Beta1.

As /etc/resolv.conf is a symlink to ../run/resolvconf/resolv.conf on
Precise.

Since /run is bind-mounted from the host OS, the source and destination
resolv.conf are the same files, thus cp returns an error code, making
uck fail.

Since /run is bind-mounted it makes the entire copy of resolv.conf
superfluous, so it can be removed:

diff -Nurpd a/remaster-live-cd.sh b/remaster-live-cd.sh
--- a/remaster-live-cd.sh	2012-03-04 16:32:00.299733023 +0100
+++ b/remaster-live-cd.sh	2012-03-04 16:43:05.375030941 +0100
@@ -354,10 +354,6 @@ function prepare_rootfs_for_chroot()
 {
 	mount_pseudofilesystems
 
-	echo "Copying resolv.conf..."
-	cp -f /etc/resolv.conf "$REMASTER_DIR/etc/resolv.conf" ||
-		failure "Failed to copy resolv.conf, error=$?"
-		
 	echo "Copying fstab/mtab..."
 	if [ -f "$REMASTER_DIR/etc/fstab" ] ; then
 		mv "$REMASTER_DIR/etc/fstab" "$REMASTER_DIR/etc/fstab.uck" ||

Though this might make uck fail for other Ubuntu versions. I only tested
with Precise.

** Affects: uck
     Importance: High
         Status: Fix Released

** Affects: uck (Ubuntu)
     Importance: Undecided
         Status: Fix Released

-- 
Remastering Precise fails on resolv.conf
https://bugs.launchpad.net/bugs/946480
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