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authorDaniel Baumann <daniel@debian.org>2007-09-23 14:46:36 +0200
committerDaniel Baumann <daniel@debian.org>2011-03-09 17:25:50 +0100
commit9fc9e2a1a11b0edada38cb501fefe4f58aa414ac (patch)
tree7d2d89ecfbd394b41854937ec2342bc7ae530cf5 /bin/casper-snapshot
parent4bdaa2237c6ae923d1dd068e9024ebceca3f40d9 (diff)
downloadlive-boot-9fc9e2a1a11b0edada38cb501fefe4f58aa414ac.tar.gz
live-boot-9fc9e2a1a11b0edada38cb501fefe4f58aa414ac.zip
Adding live-initramfs 1.87.2-1.
Diffstat (limited to 'bin/casper-snapshot')
-rwxr-xr-xbin/casper-snapshot299
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 "$@"
- Defaults
- Do_snapshot
- Clean
-}
-
-Main "$@"