X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive;h=110f41dbf439d776b6750d5103555f4cf9946eca;hb=9a4b5c6da74dd88de39c997de156f832fc3a89fd;hp=6f4f5c196802e3031338f12423fba9368b6fa6f2;hpb=02bfe70cc41247a681b473f6902abe7eabc54cf2;p=live-boot-grml.git

diff --git a/scripts/live b/scripts/live
index 6f4f5c1..110f41d 100755
--- a/scripts/live
+++ b/scripts/live
@@ -667,7 +667,7 @@ is_nice_device ()
 {
 	sysfs_path="${1#/sys}"
 
-	if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
+	if /lib/udev/path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
 	then
 		return 0
 	elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
@@ -1677,7 +1677,7 @@ find_livefs ()
 
 	# or do the scan of block devices
 	# prefer removable devices over non-removable devices, so scan them first
-	for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+	for sysblock in $(echo /sys/block/* | tr ' ' '\n' | egrep -v "/(loop|ram|dm-|fd)")
 	do
 		if [ "$(cat ${sysblock}/removable)" = "1" ]
 		then
@@ -1885,6 +1885,28 @@ mountroot ()
 		mount -n -o bind /dev "${rootmnt}/dev"
 	fi
 
+	# Open up two fifo's fd's for debconf-communicate to use. Speeds up
+	# the live-initramfs process considerably.
+	log_begin_msg "Creating debconf-communicate fifo mechanism"
+	mkfifo /tmp/debconf-in.fifo
+	mkfifo /tmp/debconf-out.fifo
+
+	chroot /root debconf-communicate -fnoninteractive live-initramfs > /tmp/debconf-out.fifo < /tmp/debconf-in.fifo &
+
+	# Save the PID so it can be killed later.
+	DEBCONF_COMMUNICATE_PID="$!"
+
+	if [ ! -p /tmp/debconf-in.fifo ] || [ ! -p /tmp/debconf-out.fifo ]
+	then
+		log_warning_msg "failed to setup debconf-communicate channel"
+	fi
+	log_end_msg
+
+	# Order matters!
+	# These file descriptors must stay open until we're finished with
+	# debconf-communicate.
+	exec 4</tmp/debconf-out.fifo 3>/tmp/debconf-in.fifo
+
 	maybe_break live-bottom
 	log_begin_msg "Running /scripts/live-bottom\n"
 
@@ -1896,6 +1918,11 @@ mountroot ()
 		umount "${rootmnt}/dev"
 	fi
 
+	# Close the fd's associated with debconf-communicate
+	exec 3>&- 4<&-
+	rm -f /tmp/debconf-in.fifo
+	rm -f /tmp/debconf-out.fifo
+
 	exec 1>&6 6>&-
 	exec 2>&7 7>&-
 	kill ${tailpid}