X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=bin%2Flive-snapshot;h=a7214bda28984cc0e0bde533eb287afe6fdb1fcd;hb=4328832d0d00e2d8f6608ae6db2e8a70a4a8571e;hp=e3e05fef6111461fce567d9ba6b88de342cb4e17;hpb=9fc9e2a1a11b0edada38cb501fefe4f58aa414ac;p=live-boot-grml.git diff --git a/bin/live-snapshot b/bin/live-snapshot index e3e05fe..a7214bd 100755 --- a/bin/live-snapshot +++ b/bin/live-snapshot @@ -1,10 +1,10 @@ #! /bin/bash -# casper-snapshot - utility to manage Debian Live systems snapshots +# live-snapshot - utility to manage Debian Live systems snapshots # # This program mount a device (fallback to /tmpfs under /mnt/snapshot -# and save the /cow (or a different dir) filesystem in it for reusing -# in another casper session. Look at manpage for more info. +# and save the /live/cow (or a different dir) filesystem in it for reusing +# in another live-initramfs session. Look at manpage for more info. # # Copyright (C) 2006 Marco Amadori # @@ -23,7 +23,7 @@ # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # # On Debian systems, the complete text of the GNU General Public License -# can be found in /usr/share/common-licenses/GPL file. +# can be found in /usr/share/common-licenses/GPL-2 file. PROGRAM="`basename $0`" VERSION=0.0.1 @@ -90,11 +90,11 @@ Help () Header echo echo "Options:" - echo " -c, --cow: specifies the copy on write directory (default: /cow)." + echo " -c, --cow: specifies the copy on write directory (default: /live/cow)." echo " -d, --device: specifies the output snapshot device (default: none)." echo " -o, --output: specifies the output image file (default: $type dependent)." echo " -r, --resync-string: internally used to resync previous made snapshots." - echo " -t, --type: specifies the snapshot type between \"squashfs\", \"ext2\" or \"cpio\".gz archive (default: cpio)" + echo " -t, --type: specifies the snapshot type between \"squashfs\", \"ext2\", \"ext3\" or \"cpio\".gz archive (default: cpio)" echo -e "\nLook at live-snapshot(1) man page for more information." exit 0 } @@ -120,9 +120,9 @@ Version () echo "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA" echo echo "On Debian systems, the complete text of the GNU General Public License" - echo "can be found in /usr/share/common-licenses/GPL file." + echo "can be found in /usr/share/common-licenses/GPL-2 file." echo - echo "Homepage: " + echo "Homepage: " exit 0 } @@ -138,7 +138,7 @@ Do_snapshot () cpio) ( cd "${COW}" && find . -path '*.wh.*' -prune -o -print0 | cpio --quiet -o0 -H newc | gzip -9c > "${DEST}" ) || exit 1 ;; - ext2) + ext2|ext3) DU_DIM="`du -ks ${COW} | cut -f1`" REAL_DIM="`expr ${DU_DIM} + ${DU_DIM} / 20`" # Just 5% more to be sure, need something more sophistcated here... genext2fs --size-in-blocks=${REAL_DIM} --reserved-blocks=0 --root="${COW}" "${DEST}" || exit 1 @@ -154,7 +154,7 @@ Is_same_mount () { dir1="`Base_path $1`" dir2="`Base_path $2`" - if [ "${dir1}" == "${dir2}" ]; then + if [ "${dir1}" = "${dir2}" ]; then return 0 else return 1 @@ -224,7 +224,7 @@ Mount_device () Defaults () { MOUNTP="/mnt/live-snapshot" - COW="/cow" + COW="/live/cow" DEV="" DEST="${MOUNTP}/live-sn.cpio.gz" TYPE="cpio" @@ -234,7 +234,7 @@ Defaults () COW=$(echo "${SNAP_RSTRING}" | cut -f1 -d ':') DEV=$(echo "${SNAP_RSTRING}" | cut -f2 -d ':') DEST=$(echo "${SNAP_RSTRING}" | cut -f3 -d ':') - + case "${DEST}" in *.cpio.gz) TYPE="cpio" ;; @@ -242,22 +242,22 @@ Defaults () TYPE="squashfs" ;; "") TYPE="ext2" ;; - *.ext2) + *.ext2|*.ext3) TYPE="ext2" ;; *) Usage "Unregognized String" ;; esac else - DEF_COW="/cow" + DEF_COW="/live/cow" # Bad options handling if [ -z "${SNAP_COW}" ]; then COW="${DEF_COW}" else COW="${SNAP_COW}" fi - + case "${SNAP_TYPE}" in - "cpio"|"squashfs"|"ext2") + "cpio"|"squashfs"|"ext2"|"ext3") TYPE="${SNAP_TYPE}" ;; "") @@ -266,8 +266,8 @@ Defaults () Usage "Error: unrecognized snapshot type" ;; esac - #if [ -d - #if Is_same_mount + #if [ -d + #if Is_same_mount fi # check vars @@ -284,7 +284,7 @@ Clean () if [ -n "$DEV" ]; then umount "${MOUNTP}" rmdir "${MOUNTP}" - rm + #rm fi }