diff options
| author | Daniel Baumann <daniel@debian.org> | 2007-09-23 14:46:36 +0200 |
|---|---|---|
| committer | Daniel Baumann <daniel@debian.org> | 2011-03-09 17:25:50 +0100 |
| commit | 9fc9e2a1a11b0edada38cb501fefe4f58aa414ac (patch) | |
| tree | 7d2d89ecfbd394b41854937ec2342bc7ae530cf5 /bin/casper-snapshot | |
| parent | 4bdaa2237c6ae923d1dd068e9024ebceca3f40d9 (diff) | |
| download | live-boot-9fc9e2a1a11b0edada38cb501fefe4f58aa414ac.tar.gz live-boot-9fc9e2a1a11b0edada38cb501fefe4f58aa414ac.zip | |
Adding live-initramfs 1.87.2-1.
Diffstat (limited to 'bin/casper-snapshot')
| -rwxr-xr-x | bin/casper-snapshot | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/bin/casper-snapshot b/bin/casper-snapshot deleted file mode 100755 index e912493..0000000 --- a/bin/casper-snapshot +++ /dev/null @@ -1,299 +0,0 @@ -#! /bin/bash - -# casper-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. -# -# Copyright (C) 2006 Marco Amadori <marco.amadori@gmail.com> -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# 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. - -PROGRAM="`basename $0`" -VERSION=0.0.1 - - -# Source casper conf -if [ -e /etc/casper.conf ]; then - . /etc/casper.conf -else - USERNAME=$(cat /etc/passwd | grep "999" | cut -f1 -d ':') - HOSTNAME=$(hostname) - BUILD_SYSTEM="Debian" -fi - -export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM - -# Source helper functions -helpers="/usr/share/initramfs-tools/scripts/casper-helpers" -if [ -e "${helpers}" ]; then - . "${helpers}" -else - echo "Error: I cannot found helper functions \"${helpers}\"." - exit 1 -fi - -# Define LSB log_* functions. -# Depend on lsb-base (>= 3.0-6) to ensure that this file is present. -. /lib/lsb/init-functions - -MOUNTP="" -COW="" -DEV="" -DEST="" -TYPE="" -DESKTOP_LINK="" - -Header () -{ - echo "${PROGRAM} - utility to do Debian Live snapshots" - echo - echo "Usage: ${PROGRAM} [-c|--cow DIRECTORY] [-d|--device DEVICE] [-o|--output FILE] [-t|--type TYPE]" - echo "Usage: ${PROGRAM} [-r|--resync-string STRING]" - echo "Usage: ${PROGRAM} [-h|--help]" - echo "Usage: ${PROGRAM} [-u|--usage]" - echo "Usage: ${PROGRAM} [-v|--version]" -} - -Usage () -{ - MESSAGE=${1} - Header - echo - echo "Try \"${PROGRAM} --help\" for more information." - if [ ! -z "${MESSAGE}" ]; then - echo -e "${MESSAGE}" - exit 1 - else - exit 0 - fi -} - -Help () -{ - Header - echo - echo "Options:" - echo " -c, --cow: specifies the copy on write directory (default: /cow)." - echo " -d, --device: specifies the output snapshot device (default: none)." - echo " -o, --output: specifies the output image file (default: $type dependent)." - echo " -r, --resync-string: internally used to resync previous made snapshots." - echo " -t, --type: specifies the snapshot type between \"squashfs\", \"ext2\" or \"cpio\".gz archive (default: cpio)" - echo -e "\nLook at casper-snapshot(1) man page for more information." - exit 0 -} - -Version () -{ - echo "${PROGRAM}, version ${VERSION}" - echo - echo "Copyright (C) 2006 Marco Amadori <marco.amadori@gmail.com>" - echo - echo "This program is free software; you can redistribute it and/or modify" - echo "it under the terms of the GNU General Public License as published by" - echo "the Free Software Foundation; either version 2 of the License, or" - echo "(at your option) any later version." - echo - echo "This program is distributed in the hope that it will be useful," - echo "but WITHOUT ANY WARRANTY; without even the implied warranty of" - echo "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the" - echo "GNU General Public License for more details." - echo - echo "You should have received a copy of the GNU General Public License" - echo "along with this program; if not, write to the Free Software" - echo "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA" - echo - echo "On Debian systems, the complete text of the GNU General Public License" - echo "can be found in /usr/share/common-licenses/GPL file." - echo - echo "Homepage: <http://live.debian.net/>" - exit 0 -} - -Do_snapshot () -{ - case "${TYPE}" in - squashfs) - echo "./tmp/exclude_list" > /tmp/exclude_list - ( cd "${COW}" && find . -name '*.wh.*' >> /tmp/exclude_list ) - mksquashfs "${COW}" "${DEST}" -ef /tmp/exclude_list || exit 1 - rm /tmp/exclude_list - ;; - cpio) - ( cd "${COW}" && find . -path '*.wh.*' -prune -o -print0 | cpio --quiet -o0 -H newc | gzip -9c > "${DEST}" ) || exit 1 - ;; - ext2) - 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 - ;; - *) - echo "Internal error." - exit 1 - ;; - esac -} - -Is_same_mount () -{ - dir1="`Base_path $1`" - dir2="`Base_path $2`" - if [ "${dir1}" == "${dir2}" ]; then - return 0 - else - return 1 - fi -} - -Parse_args () -{ - # Parse command line - ARGS="$1" - ARGUMENTS="`getopt --longoptions cow:,device:,output,resync-string:,type:,help,usage,version --name=${PROGRAM} --options c:d:o:t:r:,h,u,v --shell sh -- ${ARGS}`" - - if [ "$?" != "0" ]; then - echo "Terminating." >&2 - exit 1 - fi - - eval set -- "${ARGUMENTS}" - - while true; do - case "$1" in - -c|--cow) - SNAP_COW="$2"; shift 2 ;; - -d|--device) - SNAP_DEV="$2"; shift 2 ;; - -o|--output) - SNAP_OUTPUT="$2"; shift 2 ;; - -t|--type) - SNAP_TYPE="$2"; shift 2 ;; - -r|--resync-string) - SNAP_RSTRING="$2"; break ;; - -h|--help) - Help; shift ;; - -u|--usage) - Usage ; shift ;; - -v|--version) - Version; shift ;; - --) - shift; break ;; - *) - echo "Internal error."; exit 1 ;; - esac - done -} - -Mount_device () -{ - dev="$1" - - if [ ! -d "${MOUNTP}" ]; then - mkdir -p "${MOUNTP}" - fi - - if [ -z "${dev}" ]; then - # create a temp - mount -t tmpfs -o rw tmpfs "${MOUNTP}" - if [ ! -L /home/$USERNAME/Desktop/casper-snapshot ]; then - ln -s "${MOUNTP}" /home/$USERNAME/Desktop/casper-snapshot - fi - else - if [ -b "${dev}" ] ; then - try_mount "${dev}" "${MOUNTP}" rw - fi - fi -} - -Defaults () -{ - MOUNTP="/mnt/casper-snapshot" - COW="/cow" - DEV="" - DEST="${MOUNTP}/casper-sn.cpio.gz" - TYPE="cpio" - DESKTOP_LINK=/home/$USERNAME/Desktop/casper-snapshot - - if [ -n "${SNAP_RSTRING}" ]; then - COW=$(echo "${SNAP_RSTRING}" | cut -f1 -d ':') - DEV=$(echo "${SNAP_RSTRING}" | cut -f2 -d ':') - DEST=$(echo "${SNAP_RSTRING}" | cut -f3 -d ':') - - case "${DEST}" in - *.cpio.gz) - TYPE="cpio" ;; - *.squashfs) - TYPE="squashfs" ;; - "") - TYPE="ext2" ;; - *.ext2) - TYPE="ext2" ;; - *) - Usage "Unregognized String" ;; - esac - else - DEF_COW="/cow" - # Bad options handling - if [ -z "${SNAP_COW}" ]; then - COW="${DEF_COW}" - else - COW="${SNAP_COW}" - fi - - case "${SNAP_TYPE}" in - "cpio"|"squashfs"|"ext2") - TYPE="${SNAP_TYPE}" - ;; - "") - TYPE="cpio" ;; - *) - Usage "Error: unrecognized snapshot type" - ;; - esac - #if [ -d - #if Is_same_mount - fi - - # check vars - if [ ! -d "${COW}" ]; then - Usage "Error: ${COW} is not a directory" - fi - - Mount_device $DEV - -} - -Clean () -{ - if [ -n "$DEV" ]; then - umount "${MOUNTP}" - rmdir "${MOUNTP}" - rm - fi -} - -Main () -{ - Parse_args "$@" - Defaults - Do_snapshot - Clean -} - -Main "$@" |
