3 # Purpose: copy compressed GRML image to RAM
4 # Authors: (c) Michael Schierl <schierlm-public@gmx.de>, (c) Michael Prokop <mika@grml.org>
5 # Bug-Reports: see http://grml.org/bugs/
6 # License: This file is licensed under the GPL v2.
7 ################################################################################
11 . /etc/grml/lsb-functions
12 . /etc/grml/script-functions
15 check4progs rsync gawk || exit 2
18 eerror "Not running grml in live-cd mode. Nothing to be done, exiting." ; eend 1
22 IMAGE=$(ls /live/image/live/*.squashfs 2>/dev/null | head -1)
23 if ! [ -r "$IMAGE" ] ; then
24 if [ -r /cdrom/GRML/GRML ] ; then
25 IMAGE='/cdrom/GRML/GRML'
27 eerror "Can not access grml squashfs file."
28 eerror "Looks like you did run grml2ram already?" ; eend 1
33 GRMLSIZE="$(du $IMAGE | awk '{print $1}')"
34 RAM=$(/usr/bin/gawk '/MemFree/{print $2}' /proc/meminfo)
36 case "$*" in -f|--force)
37 ewarn "Forcing copy process for grml-image (${GRMLSIZE}kB) as requested via force option." ; eend 0
40 if test $RAM -lt $GRMLSIZE ; then
41 eerror "Sorry, not enough free RAM (${RAM}kB) available for grml-image (${GRMLSIZE}kB)." ; eend 1
47 einfo "Copying $IMAGE to RAM, this might take a while."
48 rsync -a --progress $IMAGE /tmp/GRML
49 LANGUAGE=C LANG=C LC_ALL=C perl << EOF
50 open LOOP, '</dev/loop0' or die $!;
51 open DEST, '</tmp/GRML' or die $!;
52 ioctl(LOOP, 0x4C06, fileno(DEST)) or die $!
58 GRMLDEV=$(awk '{if ($2 ~ /^\/live\/image$/ ) print $1}' /etc/mtab)
59 if [ -z "$GRMLDEV" ]; then
60 GRMLDEV=$(awk '{if ($2 ~ /^\/cdrom$/ ) print $1}' /etc/mtab)
62 [ -n "$GRMLDEV" ] || GRMLDEV='/dev/cdrom'
64 einfo "Unmounting cdrom"
65 [ -d /live/image ] && umount /live/image || umount /cdrom
67 einfo "Now you can eject your grml-cd (e.g. run 'eject $GRMLDEV')." ; eend 0
69 ## END OF FILE #################################################################