xbps-casper: simplify and remove unused stuff.
- Removed support for snapshots. - Removed support for multiple images, we only support one by default "filesystem.squashfs". - Make all vars local to funcs.
This commit is contained in:
Juan RP
parent
040ed7a0cd
commit
df7f341ba1
|
|
@ -1,309 +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-percentage=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}" == "${dir2}" ]; then
|
|
||||||
return 0
|
|
||||||
else
|
|
||||||
return 1
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
Parse_args ()
|
|
||||||
{
|
|
||||||
# Parse command line
|
|
||||||
ARGUMENTS="`getopt --longoptions cow:,device:,output,resync-string:,type:,help,usage,version --name=${PROGRAM} --options c:d:o:t:r:,h,u,v --shell sh -- "$@"`"
|
|
||||||
|
|
||||||
if [ "$?" != "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}" "${MOUNTP}" rw
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
Defaults ()
|
|
||||||
{
|
|
||||||
MOUNTP="/mnt/casper-snapshot"
|
|
||||||
COW="/cow"
|
|
||||||
DEV=""
|
|
||||||
TYPE="cpio"
|
|
||||||
DESKTOP_LINK=/home/$USERNAME/Desktop/casper-snapshot
|
|
||||||
|
|
||||||
if [ -n "${SNAP_RSTRING}" ]; then
|
|
||||||
COW=$(echo "${SNAP_RSTRING}" | cut -f1 -d ':')
|
|
||||||
DEV=$(echo "${SNAP_RSTRING}" | cut -f2 -d ':')
|
|
||||||
DEST="${MOUNTP}/$(echo "${SNAP_RSTRING}" | cut -f3 -d ':')"
|
|
||||||
|
|
||||||
case "${DEST}" in
|
|
||||||
*.cpio.gz)
|
|
||||||
TYPE="cpio" ;;
|
|
||||||
*.squashfs)
|
|
||||||
TYPE="squashfs" ;;
|
|
||||||
"")
|
|
||||||
TYPE="ext2" ;;
|
|
||||||
*.ext2)
|
|
||||||
TYPE="ext2" ;;
|
|
||||||
*)
|
|
||||||
Usage "Unrecognized String" ;;
|
|
||||||
esac
|
|
||||||
else
|
|
||||||
DEF_COW="/cow"
|
|
||||||
# Bad options handling
|
|
||||||
if [ -z "${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
|
|
||||||
case "${TYPE}" in
|
|
||||||
cpio)
|
|
||||||
DEST="${MOUNTP}/casper-sn.cpio.gz" ;;
|
|
||||||
squashfs)
|
|
||||||
DEST="${MOUNTP}/casper-sn.squashfs" ;;
|
|
||||||
ext2)
|
|
||||||
DEST="${MOUNTP}/casper-sn.ext2" ;;
|
|
||||||
*)
|
|
||||||
echo "Internal error."
|
|
||||||
exit 1
|
|
||||||
;;
|
|
||||||
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 "$@"
|
|
||||||
Defaults
|
|
||||||
Do_snapshot
|
|
||||||
Clean
|
|
||||||
}
|
|
||||||
|
|
||||||
Main "$@"
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
COMPCACHE_SIZE="25%"
|
|
||||||
|
|
@ -58,7 +58,7 @@ manual_add_modules sbp2
|
||||||
manual_add_modules ohci1394
|
manual_add_modules ohci1394
|
||||||
|
|
||||||
# Casper helpers.
|
# Casper helpers.
|
||||||
for helper in getty login new-uuid snapshot; do
|
for helper in getty login new-uuid; do
|
||||||
ln -s /sbin/casper-${helper} ${DESTDIR}/bin
|
ln -s /sbin/casper-${helper} ${DESTDIR}/bin
|
||||||
done
|
done
|
||||||
cp /usr/share/initramfs-tools/scripts/casper-helpers $DESTDIR/scripts
|
cp /usr/share/initramfs-tools/scripts/casper-helpers $DESTDIR/scripts
|
||||||
|
|
|
||||||
|
|
@ -6,11 +6,7 @@ export PATH=/usr/bin:/usr/sbin:/bin:/sbin
|
||||||
|
|
||||||
mountpoint=/cdrom
|
mountpoint=/cdrom
|
||||||
LIVE_MEDIA_PATH=casper
|
LIVE_MEDIA_PATH=casper
|
||||||
|
LIVE_ROOTFS=filesystem.squashfs
|
||||||
root_persistence="casper-rw"
|
|
||||||
home_persistence="home-rw"
|
|
||||||
root_snapshot_label="casper-sn"
|
|
||||||
home_snapshot_label="home-sn"
|
|
||||||
|
|
||||||
USERNAME=casper
|
USERNAME=casper
|
||||||
USERFULLNAME="Live session user"
|
USERFULLNAME="Live session user"
|
||||||
|
|
@ -30,19 +26,18 @@ if [ ! -f /casper.vars ]; then
|
||||||
touch /casper.vars
|
touch /casper.vars
|
||||||
fi
|
fi
|
||||||
|
|
||||||
parse_cmdline() {
|
parse_cmdline()
|
||||||
|
{
|
||||||
for x in $(cat /proc/cmdline); do
|
for x in $(cat /proc/cmdline); do
|
||||||
case $x in
|
case $x in
|
||||||
showmounts|show-cow)
|
|
||||||
export SHOWMOUNTS='Yes' ;;
|
|
||||||
persistent)
|
|
||||||
export PERSISTENT="Yes" ;;
|
|
||||||
nopersistent)
|
|
||||||
export PERSISTENT="" ;;
|
|
||||||
union=*)
|
union=*)
|
||||||
export UNIONFS="${x#union=}";;
|
export UNIONFS="${x#union=}";;
|
||||||
ignore_uuid)
|
ignore_uuid)
|
||||||
IGNORE_UUID="Yes" ;;
|
IGNORE_UUID="Yes" ;;
|
||||||
|
live-rootfs=*)
|
||||||
|
LIVE_ROOTFS="${x#live-rootfs=}"
|
||||||
|
export LIVE_ROOTFS
|
||||||
|
echo "export LIVE_ROOTFS=\"$LIVE_ROOTFS\"" >> /etc/casper.conf ;;
|
||||||
live-media-path=*)
|
live-media-path=*)
|
||||||
LIVE_MEDIA_PATH="${x#live-media-path=}"
|
LIVE_MEDIA_PATH="${x#live-media-path=}"
|
||||||
export LIVE_MEDIA_PATH
|
export LIVE_MEDIA_PATH
|
||||||
|
|
@ -58,27 +53,27 @@ parse_cmdline() {
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
is_casper_path() {
|
is_casper_path()
|
||||||
path=$1
|
{
|
||||||
|
local path=$1
|
||||||
|
|
||||||
if [ -d "$path/$LIVE_MEDIA_PATH" ]; then
|
if [ -d "$path/$LIVE_MEDIA_PATH" ]; then
|
||||||
if [ "$(echo $path/$LIVE_MEDIA_PATH/*.squashfs)" != \
|
if [ "$(echo $path/$LIVE_MEDIA_PATH/*.squashfs)" != \
|
||||||
"$path/$LIVE_MEDIA_PATH/*.squashfs" ] ||
|
"$path/$LIVE_MEDIA_PATH/*.squashfs" ]; then
|
||||||
[ "$(echo $path/$LIVE_MEDIA_PATH/*.ext2)" != \
|
|
||||||
"$path/$LIVE_MEDIA_PATH/*.ext2" ] ||
|
|
||||||
[ "$(echo $path/$LIVE_MEDIA_PATH/*.dir)" != \
|
|
||||||
"$path/$LIVE_MEDIA_PATH/*.dir" ]; then
|
|
||||||
return 0
|
return 0
|
||||||
fi
|
fi
|
||||||
fi
|
fi
|
||||||
return 1
|
return 1
|
||||||
}
|
}
|
||||||
|
|
||||||
matches_uuid() {
|
matches_uuid()
|
||||||
|
{
|
||||||
if [ "$IGNORE_UUID" ] || [ ! -e /conf/uuid.conf ]; then
|
if [ "$IGNORE_UUID" ] || [ ! -e /conf/uuid.conf ]; then
|
||||||
return 0
|
return 0
|
||||||
fi
|
fi
|
||||||
path="$1"
|
local path="$1"
|
||||||
uuid="$(cat /conf/uuid.conf)"
|
local uuid="$(cat /conf/uuid.conf)"
|
||||||
|
|
||||||
for try_uuid_file in "$path/.disk/casper-uuid"*; do
|
for try_uuid_file in "$path/.disk/casper-uuid"*; do
|
||||||
[ -e "$try_uuid_file" ] || continue
|
[ -e "$try_uuid_file" ] || continue
|
||||||
try_uuid="$(cat "$try_uuid_file")"
|
try_uuid="$(cat "$try_uuid_file")"
|
||||||
|
|
@ -89,44 +84,34 @@ matches_uuid() {
|
||||||
return 1
|
return 1
|
||||||
}
|
}
|
||||||
|
|
||||||
get_backing_device() {
|
get_backing_device()
|
||||||
|
{
|
||||||
case "$1" in
|
case "$1" in
|
||||||
*.squashfs|*.ext2)
|
*.squashfs)
|
||||||
echo $(setup_loop "$1" "loop" "/sys/block/loop*")
|
echo $(setup_loop "$1" "loop" "/sys/block/loop*")
|
||||||
;;
|
;;
|
||||||
*.dir)
|
|
||||||
echo "directory"
|
|
||||||
;;
|
|
||||||
*)
|
*)
|
||||||
panic "Unrecognized casper filesystem: $1"
|
panic "Unrecognized casper filesystem: $1"
|
||||||
;;
|
;;
|
||||||
esac
|
esac
|
||||||
}
|
}
|
||||||
|
|
||||||
match_files_in_dir() {
|
mount_image_in_directory()
|
||||||
# Does any files match pattern $1 ?
|
{
|
||||||
|
local directory="$1"
|
||||||
|
local rootmnt="$2"
|
||||||
|
|
||||||
local pattern="$1"
|
if [ ! -f "$directory/$LIVE_MEDIA_PATH/$LIVE_ROOTFS" ]; then
|
||||||
if [ "$(echo $pattern)" != "$pattern" ]; then
|
panic "Cannot find $directory/$LIVE_MEDIA_PATH/$LIVE_ROOTFS"
|
||||||
return 0
|
|
||||||
fi
|
fi
|
||||||
return 1
|
|
||||||
|
setup_unionfs "$directory/$LIVE_MEDIA_PATH" "$rootmnt"
|
||||||
}
|
}
|
||||||
|
|
||||||
mount_images_in_directory() {
|
is_nice_device()
|
||||||
directory="$1"
|
{
|
||||||
rootmnt="$2"
|
local sysfs_path="${1#/sys}"
|
||||||
if match_files_in_dir "$directory/$LIVE_MEDIA_PATH/*.squashfs" ||
|
|
||||||
match_files_in_dir "$directory/$LIVE_MEDIA_PATH/*.ext2" ||
|
|
||||||
match_files_in_dir "$directory/$LIVE_MEDIA_PATH/*.dir"; then
|
|
||||||
setup_unionfs "$directory/$LIVE_MEDIA_PATH" "$rootmnt"
|
|
||||||
else
|
|
||||||
:
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
is_nice_device() {
|
|
||||||
sysfs_path="${1#/sys}"
|
|
||||||
if /lib/udev/path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|scsi|usb)|platform-orion-ehci|platform-
|
if /lib/udev/path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|scsi|usb)|platform-orion-ehci|platform-
|
||||||
mmc|platform-mxsdhci)"; then
|
mmc|platform-mxsdhci)"; then
|
||||||
return 0
|
return 0
|
||||||
|
|
@ -137,10 +122,12 @@ mmc|platform-mxsdhci)"; then
|
||||||
return 1
|
return 1
|
||||||
}
|
}
|
||||||
|
|
||||||
copy_live_to() {
|
copy_live_to()
|
||||||
copyfrom="${1}"
|
{
|
||||||
copytodev="${2}"
|
local copyfrom="${1}"
|
||||||
copyto="${copyfrom}_swap"
|
local copytodev="${2}"
|
||||||
|
local copyto="${copyfrom}_swap"
|
||||||
|
local size freespace mount_options free_string fstype dev
|
||||||
|
|
||||||
size=$(fs_size "" ${copyfrom} "used")
|
size=$(fs_size "" ${copyfrom} "used")
|
||||||
|
|
||||||
|
|
@ -181,120 +168,12 @@ copy_live_to() {
|
||||||
return 0
|
return 0
|
||||||
}
|
}
|
||||||
|
|
||||||
do_snap_copy ()
|
setup_unionfs()
|
||||||
{
|
{
|
||||||
fromdev="${1}"
|
local image_directory="$1"
|
||||||
todir="${2}"
|
local rootmnt="$2"
|
||||||
snap_type="${3}"
|
local croot rofsstring rofslist roopt image imagename backdev
|
||||||
|
local fstype cowdevice cow_fstrype cow_mountopt
|
||||||
size=$(fs_size "${fromdev}" "" "used")
|
|
||||||
|
|
||||||
if [ -b "${fromdev}" ]; then
|
|
||||||
# look for free mem
|
|
||||||
if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]; then
|
|
||||||
todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
|
|
||||||
freespace=$(df -k | grep -s ${todev} | awk '{print $4}')
|
|
||||||
else
|
|
||||||
freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
|
|
||||||
fi
|
|
||||||
|
|
||||||
tomount="/mnt/tmpsnap"
|
|
||||||
if [ ! -d "${tomount}" ] ; then
|
|
||||||
mkdir -p "${tomount}"
|
|
||||||
fi
|
|
||||||
|
|
||||||
fstype=$(get_fstype "${fromdev}")
|
|
||||||
if [ -n "${fstype}" ]; then
|
|
||||||
# Copying stuff...
|
|
||||||
mount -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}"
|
|
||||||
cp -a "${tomount}"/* ${todir}
|
|
||||||
umount "${tomount}"
|
|
||||||
else
|
|
||||||
log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
|
|
||||||
fi
|
|
||||||
|
|
||||||
rmdir "${tomount}"
|
|
||||||
if echo ${fromdev} | grep -qs loop; then
|
|
||||||
losetup -d "${fromdev}"
|
|
||||||
fi
|
|
||||||
return 0
|
|
||||||
else
|
|
||||||
return 1
|
|
||||||
[ "$quiet" != "y" ] && \
|
|
||||||
log_warning_msg "Unable to find the snapshot ${snap_type} medium"
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
try_snap ()
|
|
||||||
{
|
|
||||||
# Look for $snap_label.* in block devices and copy the contents to $snap_mount
|
|
||||||
# and remember the device and filename for resync on exit in casper.init
|
|
||||||
|
|
||||||
snap_label="${1}"
|
|
||||||
snap_mount="${2}"
|
|
||||||
snap_type="${3}"
|
|
||||||
|
|
||||||
snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2")
|
|
||||||
if [ ! -z "${snapdata}" ]; then
|
|
||||||
snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
|
|
||||||
snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
|
|
||||||
snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
|
|
||||||
if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\)'; then
|
|
||||||
# squashfs or ext2 snapshot
|
|
||||||
dev=$(get_backing_device "${snapback}/${snapfile}")
|
|
||||||
if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"; then
|
|
||||||
log_warning_msg "Impossible to include the ${snapfile} Snapshot"
|
|
||||||
return 1
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
# cpio.gz snapshot
|
|
||||||
# Unfortunately klibc's cpio is incompatible with the rest of
|
|
||||||
# the world; everything else requires -u -d, while klibc doesn't
|
|
||||||
# implement them. Try to detect whether it's in use.
|
|
||||||
cpiopath="$(which cpio)" || true
|
|
||||||
if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"; then
|
|
||||||
cpioargs=
|
|
||||||
else
|
|
||||||
cpioargs='-u -d'
|
|
||||||
fi
|
|
||||||
if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio -i $cpioargs 2>/dev/null) ; then
|
|
||||||
log_warning_msg "Impossible to include the ${snapfile} Snapshot"
|
|
||||||
return 1
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
umount "${snapback}"
|
|
||||||
else
|
|
||||||
dev=$(find_cow_device "${snap_label}")
|
|
||||||
if [ -b ${dev} ]; then
|
|
||||||
if echo "${dev}" | grep -qs loop; then
|
|
||||||
# strange things happens, user confused?
|
|
||||||
snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
|
|
||||||
snapfile=$(basename ${snaploop})
|
|
||||||
snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
|
|
||||||
else
|
|
||||||
snapdev="${dev}"
|
|
||||||
fi
|
|
||||||
if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}" ; then
|
|
||||||
log_warning_msg "Impossible to include the ${snap_label} Snapshot"
|
|
||||||
return 1
|
|
||||||
else
|
|
||||||
if [ -n "${snapfile}" ]; then
|
|
||||||
# it was a loop device, user confused
|
|
||||||
umount ${snapdev}
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
log_warning_msg "Impossible to include the ${snap_label} Snapshot"
|
|
||||||
return 1
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
echo "export ${snap_type}SNAP="/cow${snap_mount#$rootmnt}":${snapdev}:${snapfile}" >> /etc/casper.conf # for resync on reboot/halt
|
|
||||||
return 0
|
|
||||||
}
|
|
||||||
|
|
||||||
setup_unionfs() {
|
|
||||||
image_directory="$1"
|
|
||||||
rootmnt="$2"
|
|
||||||
|
|
||||||
case ${UNIONFS} in
|
case ${UNIONFS} in
|
||||||
aufs|unionfs)
|
aufs|unionfs)
|
||||||
|
|
@ -306,39 +185,31 @@ setup_unionfs() {
|
||||||
# move all of these away before it runs anyway. No, we're not,
|
# move all of these away before it runs anyway. No, we're not,
|
||||||
# put them in / since move-mounting them into / breaks mono and
|
# put them in / since move-mounting them into / breaks mono and
|
||||||
# some other apps.
|
# some other apps.
|
||||||
|
|
||||||
croot="/"
|
croot="/"
|
||||||
|
|
||||||
# Let's just mount the read-only file systems first
|
# Let's just mount the read-only file systems first
|
||||||
rofsstring=""
|
rofsstring=""
|
||||||
rofslist=""
|
rofslist=""
|
||||||
if [ "${NETBOOT}" = "nfs" ] ; then
|
if [ "${UNIONFS}" = "aufs" ]; then
|
||||||
roopt="nfsro" # work around a bug in nfs-unionfs locking
|
|
||||||
elif [ "${UNIONFS}" = "aufs" ]; then
|
|
||||||
roopt="rr"
|
roopt="rr"
|
||||||
else
|
else
|
||||||
roopt="ro"
|
roopt="ro"
|
||||||
fi
|
fi
|
||||||
|
|
||||||
mkdir -p "${croot}"
|
mkdir -p "${croot}"
|
||||||
for image_type in "ext2" "squashfs" "dir" ; do
|
image="${image_directory}/${LIVE_ROOTFS}"
|
||||||
for image in "${image_directory}"/*."${image_type}"; do
|
imagename=$(basename "$image")
|
||||||
imagename=$(basename "${image}")
|
backdev=$(get_backing_device "$image")
|
||||||
if [ -d "${image}" ]; then
|
fstype=$(get_fstype "${backdev}")
|
||||||
# it is a plain directory: do nothing
|
if [ "${fstype}" = "unknown" ]; then
|
||||||
rofsstring="${image}=${roopt}:${rofsstring}"
|
panic "Unknown file system type on ${backdev} (${image})"
|
||||||
rofslist="${image} ${rofslist}"
|
fi
|
||||||
elif [ -f "${image}" ]; then
|
mkdir -p "${croot}/${imagename}"
|
||||||
backdev=$(get_backing_device "$image")
|
mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" \
|
||||||
fstype=$(get_fstype "${backdev}")
|
|| panic "Can not mount $backdev ($image) on ${croot}/${imagename}"
|
||||||
if [ "${fstype}" = "unknown" ]; then
|
|
||||||
panic "Unknown file system type on ${backdev} (${image})"
|
rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}"
|
||||||
fi
|
rofslist="${croot}/${imagename} ${rofslist}"
|
||||||
mkdir -p "${croot}/${imagename}"
|
|
||||||
mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount $backdev ($image) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
done
|
|
||||||
rofsstring=${rofsstring%:}
|
rofsstring=${rofsstring%:}
|
||||||
|
|
||||||
mkdir -p /cow
|
mkdir -p /cow
|
||||||
|
|
@ -346,72 +217,23 @@ setup_unionfs() {
|
||||||
cow_fstype="tmpfs"
|
cow_fstype="tmpfs"
|
||||||
cow_mountopt="rw,noatime,mode=755"
|
cow_mountopt="rw,noatime,mode=755"
|
||||||
|
|
||||||
# Looking for "${root_persistence}" device or file
|
|
||||||
if [ -n "${PERSISTENT}" ]; then
|
|
||||||
cowprobe=$(find_cow_device "${root_persistence}")
|
|
||||||
if [ -b "${cowprobe}" ]; then
|
|
||||||
cowdevice=${cowprobe}
|
|
||||||
cow_fstype=$(get_fstype "${cowprobe}")
|
|
||||||
cow_mountopt="rw,noatime"
|
|
||||||
else
|
|
||||||
[ "$quiet" != "y" ] && \
|
|
||||||
log_warning_msg "Unable to find the persistent medium"
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
|
|
||||||
mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} \
|
mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} \
|
||||||
/cow || panic "Can not mount $cowdevice on /cow"
|
/cow || panic "Can not mount $cowdevice on /cow"
|
||||||
mount -t ${UNIONFS} -o noatime,dirs=/cow=rw:$rofsstring \
|
mount -t ${UNIONFS} -o noatime,dirs=/cow=rw:$rofsstring \
|
||||||
${UNIONFS} "$rootmnt" || panic "${UNIONFS} mount failed"
|
${UNIONFS} "$rootmnt" || panic "${UNIONFS} mount failed"
|
||||||
|
|
||||||
# Adding other custom mounts
|
|
||||||
if [ -n "${PERSISTENT}" ]; then
|
|
||||||
# directly mount /home
|
|
||||||
# FIXME: add a custom mounts configurable system
|
|
||||||
homecow=$(find_cow_device "${home_persistence}" )
|
|
||||||
if [ -b "${homecow}" ]; then
|
|
||||||
mount -t $(get_fstype "${homecow}") -o rw,noatime \
|
|
||||||
"${homecow}" "${rootmnt}/home"
|
|
||||||
# Used to proper calculate free space in do_snap_copy()
|
|
||||||
export HOMEMOUNTED=1
|
|
||||||
else
|
|
||||||
[ "$quiet" != "y" ] && \
|
|
||||||
log_warning_msg "Unable to find the persistent home medium"
|
|
||||||
fi
|
|
||||||
# Look for other snapshots to copy in
|
|
||||||
try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
|
|
||||||
try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [ -n "${SHOWMOUNTS}" ]; then
|
|
||||||
for d in ${rofslist}; do
|
|
||||||
mkdir -p "${rootmnt}/${LIVE_MEDIA_PATH}/${d##*/}"
|
|
||||||
case d in
|
|
||||||
*.dir)
|
|
||||||
# do nothing
|
|
||||||
;;
|
|
||||||
*)
|
|
||||||
mount -o move "${d}" \
|
|
||||||
"${rootmnt}/${LIVE_MEDIA_PATH}/${d##*/}"
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
done
|
|
||||||
# shows cow fs on /cow for use by casper-snapshot
|
|
||||||
mkdir -p "${rootmnt}/cow"
|
|
||||||
mount -o bind /cow "${rootmnt}/cow"
|
|
||||||
fi
|
|
||||||
|
|
||||||
# XXX: hardcode the image name for now (xtraeme).
|
|
||||||
# move the first mount.
|
# move the first mount.
|
||||||
mkdir -p "${rootmnt}/rofs"
|
mkdir -p "${rootmnt}/rofs"
|
||||||
mount -o move /filesystem.squashfs "${rootmnt}/rofs"
|
mount -o move ${croot}${imagename} "${rootmnt}/rofs"
|
||||||
}
|
}
|
||||||
|
|
||||||
check_dev ()
|
check_dev()
|
||||||
{
|
{
|
||||||
sysdev="${1}"
|
local sysdev="${1}"
|
||||||
devname="${2}"
|
local devname="${2}"
|
||||||
skip_uuid_check="${3}"
|
local skip_uuid_check="${3}"
|
||||||
|
local loopdevname devuid
|
||||||
|
|
||||||
if [ -z "${devname}" ]; then
|
if [ -z "${devname}" ]; then
|
||||||
devname=$(sys2dev "${sysdev}")
|
devname=$(sys2dev "${sysdev}")
|
||||||
fi
|
fi
|
||||||
|
|
@ -454,8 +276,11 @@ check_dev ()
|
||||||
return 1
|
return 1
|
||||||
}
|
}
|
||||||
|
|
||||||
find_livefs() {
|
find_livefs()
|
||||||
timeout="${1}"
|
{
|
||||||
|
local timeout="${1}"
|
||||||
|
local devname fstype dev
|
||||||
|
|
||||||
# first look at the one specified in the command line
|
# first look at the one specified in the command line
|
||||||
if [ ! -z "${LIVEMEDIA}" ]; then
|
if [ ! -z "${LIVEMEDIA}" ]; then
|
||||||
if check_dev "null" "${LIVEMEDIA}" "skip_uuid_check"; then
|
if check_dev "null" "${LIVEMEDIA}" "skip_uuid_check"; then
|
||||||
|
|
@ -484,10 +309,7 @@ find_livefs() {
|
||||||
return 0
|
return 0
|
||||||
fi
|
fi
|
||||||
done
|
done
|
||||||
elif [ "${fstype}" = "squashfs" -o \
|
elif [ "${fstype}" = "squashfs" ]; then
|
||||||
"${fstype}" = "ext4" -o \
|
|
||||||
"${fstype}" = "ext3" -o \
|
|
||||||
"${fstype}" = "ext2" ]; then
|
|
||||||
# This is an ugly hack situation, the block device has
|
# This is an ugly hack situation, the block device has
|
||||||
# an image directly on it. It's hopefully
|
# an image directly on it. It's hopefully
|
||||||
# casper, so take it and run with it.
|
# casper, so take it and run with it.
|
||||||
|
|
@ -499,7 +321,10 @@ find_livefs() {
|
||||||
return 1
|
return 1
|
||||||
}
|
}
|
||||||
|
|
||||||
mountroot() {
|
mountroot()
|
||||||
|
{
|
||||||
|
local i livefs_root live_dest
|
||||||
|
|
||||||
parse_cmdline
|
parse_cmdline
|
||||||
wait_for_udev 10
|
wait_for_udev 10
|
||||||
|
|
||||||
|
|
@ -510,8 +335,8 @@ mountroot() {
|
||||||
|
|
||||||
# Scan local devices for the image
|
# Scan local devices for the image
|
||||||
i=0
|
i=0
|
||||||
while [ "$i" -lt 60 ]; do
|
while [ "$i" -lt 10 ]; do
|
||||||
livefs_root=$(find_livefs $i)
|
livefs_root=$(find_livefs $i)
|
||||||
[ -n "${livefs_root}" ] && break
|
[ -n "${livefs_root}" ] && break
|
||||||
sleep 1
|
sleep 1
|
||||||
i="$(($i + 1))"
|
i="$(($i + 1))"
|
||||||
|
|
@ -532,7 +357,7 @@ mountroot() {
|
||||||
log_end_msg
|
log_end_msg
|
||||||
fi
|
fi
|
||||||
|
|
||||||
mount_images_in_directory "${livefs_root}" "${rootmnt}"
|
mount_image_in_directory "${livefs_root}" "${rootmnt}"
|
||||||
|
|
||||||
maybe_break casper-bottom
|
maybe_break casper-bottom
|
||||||
log_begin_msg "Running /scripts/casper-bottom"
|
log_begin_msg "Running /scripts/casper-bottom"
|
||||||
|
|
|
||||||
|
|
@ -1,13 +1,15 @@
|
||||||
## Casper helper functions, used by casper on boot and by casper-snapshot
|
## Casper helper functions, used by casper on boot.
|
||||||
|
|
||||||
MP_QUIET="-q"
|
MP_QUIET="-q"
|
||||||
|
|
||||||
sys2dev() {
|
sys2dev()
|
||||||
|
{
|
||||||
sysdev=${1#/sys}
|
sysdev=${1#/sys}
|
||||||
echo "/dev/$(/sbin/udevadm info -q name -p ${sysdev} 2>/dev/null|| echo ${sysdev##*/})"
|
echo "/dev/$(/sbin/udevadm info -q name -p ${sysdev} 2>/dev/null|| echo ${sysdev##*/})"
|
||||||
}
|
}
|
||||||
|
|
||||||
subdevices() {
|
subdevices()
|
||||||
|
{
|
||||||
sysblock=$1
|
sysblock=$1
|
||||||
r=""
|
r=""
|
||||||
for dev in "${sysblock}" "${sysblock}"/*; do
|
for dev in "${sysblock}" "${sysblock}"/*; do
|
||||||
|
|
@ -18,7 +20,8 @@ subdevices() {
|
||||||
echo ${r}
|
echo ${r}
|
||||||
}
|
}
|
||||||
|
|
||||||
is_supported_fs () {
|
is_supported_fs()
|
||||||
|
{
|
||||||
# FIXME: do something better like the scan of supported filesystems
|
# FIXME: do something better like the scan of supported filesystems
|
||||||
fstype="${1}"
|
fstype="${1}"
|
||||||
case ${fstype} in
|
case ${fstype} in
|
||||||
|
|
@ -29,11 +32,13 @@ is_supported_fs () {
|
||||||
return 1
|
return 1
|
||||||
}
|
}
|
||||||
|
|
||||||
get_fstype() {
|
get_fstype()
|
||||||
|
{
|
||||||
/sbin/blkid -s TYPE -o value $1 2>/dev/null
|
/sbin/blkid -s TYPE -o value $1 2>/dev/null
|
||||||
}
|
}
|
||||||
|
|
||||||
where_is_mounted() {
|
where_is_mounted()
|
||||||
|
{
|
||||||
device=$1
|
device=$1
|
||||||
if grep -q "^$device " /proc/mounts; then
|
if grep -q "^$device " /proc/mounts; then
|
||||||
mountpoint="$(grep "^$device " /proc/mounts | awk '{print $2; exit}')"
|
mountpoint="$(grep "^$device " /proc/mounts | awk '{print $2; exit}')"
|
||||||
|
|
@ -44,31 +49,7 @@ where_is_mounted() {
|
||||||
return 1
|
return 1
|
||||||
}
|
}
|
||||||
|
|
||||||
lastline() {
|
fs_size()
|
||||||
while read lines ; do
|
|
||||||
line=${lines}
|
|
||||||
done
|
|
||||||
echo "${line}"
|
|
||||||
}
|
|
||||||
|
|
||||||
base_path ()
|
|
||||||
{
|
|
||||||
testpath="${1}"
|
|
||||||
mounts="$(awk '{print $2}' /proc/mounts)"
|
|
||||||
testpath="$(busybox realpath ${testpath})"
|
|
||||||
|
|
||||||
while true ; do
|
|
||||||
if echo "${mounts}" | grep -qs "^${testpath}" ; then
|
|
||||||
set -- `echo "${mounts}" | grep "^${testpath}" | lastline`
|
|
||||||
echo ${1}
|
|
||||||
break
|
|
||||||
else
|
|
||||||
testpath=`dirname $testpath`
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
}
|
|
||||||
|
|
||||||
fs_size ()
|
|
||||||
{
|
{
|
||||||
# Returns used/free fs kbytes + 5% more
|
# Returns used/free fs kbytes + 5% more
|
||||||
# You could pass a block device as $1 or the mount point as $2
|
# You could pass a block device as $1 or the mount point as $2
|
||||||
|
|
@ -147,73 +128,3 @@ setup_loop() {
|
||||||
panic "No loop devices available"
|
panic "No loop devices available"
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
try_mount ()
|
|
||||||
{
|
|
||||||
dev="${1}"
|
|
||||||
mountp="${2}"
|
|
||||||
opts="${3}"
|
|
||||||
|
|
||||||
if where_is_mounted ${dev} > /dev/null; then
|
|
||||||
if [ "${opts}" != "ro" ]; then
|
|
||||||
mount -o remount,"${opts}" ${dev} $(where_is_mounted ${dev}) || panic "Remounting failed"
|
|
||||||
fi
|
|
||||||
mount -o bind $(where_is_mounted ${dev}) ${mountp} || panic "Cannot bind-mount"
|
|
||||||
else
|
|
||||||
mount -t $(get_fstype "${dev}") -o "${opts}" "${dev}" "${mountp}" || panic "Cannot mount ${dev} on ${mountp}"
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
find_cow_device() {
|
|
||||||
pers_label="${1}"
|
|
||||||
cow_backing="/${pers_label}-backing"
|
|
||||||
for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop); do
|
|
||||||
for dev in $(subdevices "${sysblock}"); do
|
|
||||||
devname=$(sys2dev "${dev}")
|
|
||||||
if [ "$(/sbin/blkid -s LABEL -o value $devname 2>/dev/null)" = "${pers_label}" ]; then
|
|
||||||
echo "$devname"
|
|
||||||
return
|
|
||||||
# Do not add any filesystem types here that might be able to
|
|
||||||
# mount a journalled filesystem and replay the journal. Doing so
|
|
||||||
# will cause data loss when a live CD is booted on a system
|
|
||||||
# where filesystems are in use by hibernated operating systems.
|
|
||||||
elif [ "$(get_fstype ${devname})" = "vfat" ]; then
|
|
||||||
mkdir -p "${cow_backing}"
|
|
||||||
try_mount "${devname}" "${cow_backing}" "rw"
|
|
||||||
if [ -e "${cow_backing}/${pers_label}" ]; then
|
|
||||||
echo $(setup_loop "${cow_backing}/${pers_label}" "loop" "/sys/block/loop*")
|
|
||||||
return 0
|
|
||||||
else
|
|
||||||
umount ${cow_backing}
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
done
|
|
||||||
}
|
|
||||||
|
|
||||||
find_files()
|
|
||||||
# return the first of $filenames found on vfat and ext2 devices
|
|
||||||
# FIXME: merge with above function
|
|
||||||
{
|
|
||||||
filenames="${1}"
|
|
||||||
snap_backing="/snap-backing"
|
|
||||||
for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop); do
|
|
||||||
for dev in $(subdevices "${sysblock}"); do
|
|
||||||
devname=$(sys2dev "${dev}")
|
|
||||||
devfstype="$(get_fstype ${devname})"
|
|
||||||
if [ "${devfstype}" = "vfat" ] || [ "${devfstype}" = "ext2" ] ; then # FIXME: all supported block devices should be scanned
|
|
||||||
mkdir -p "${snap_backing}"
|
|
||||||
try_mount "${devname}" "${snap_backing}" "ro"
|
|
||||||
for filename in ${filenames}; do
|
|
||||||
if [ -e "${snap_backing}/${filename}" ]; then
|
|
||||||
echo "${devname} ${snap_backing} ${filename}"
|
|
||||||
return 0
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
umount ${snap_backing}
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
done
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,6 +1,6 @@
|
||||||
# Template file for 'xbps-casper'
|
# Template file for 'xbps-casper'
|
||||||
pkgname=xbps-casper
|
pkgname=xbps-casper
|
||||||
_localver=0.16 # XBPS package version
|
_localver=0.17 # XBPS package version
|
||||||
_distver=1.236 # This should match the upstream (Ubuntu) version
|
_distver=1.236 # This should match the upstream (Ubuntu) version
|
||||||
version=${_localver}.${_distver}
|
version=${_localver}.${_distver}
|
||||||
build_style=custom-install
|
build_style=custom-install
|
||||||
|
|
@ -30,12 +30,10 @@ do_install()
|
||||||
|
|
||||||
# initramfs-tools hooks/scripts
|
# initramfs-tools hooks/scripts
|
||||||
initramfsdir=${DESTDIR}/usr/share/initramfs-tools
|
initramfsdir=${DESTDIR}/usr/share/initramfs-tools
|
||||||
install -d ${initramfsdir}/hooks ${initramfsdir}/scripts/casper-bottom \
|
install -d ${initramfsdir}/hooks ${initramfsdir}/scripts/casper-bottom
|
||||||
${initramfsdir}/conf.d
|
|
||||||
install -m 755 ${FILESDIR}/hooks/* ${initramfsdir}/hooks
|
install -m 755 ${FILESDIR}/hooks/* ${initramfsdir}/hooks
|
||||||
install -m 755 ${FILESDIR}/scripts/casper-bottom/* \
|
install -m 755 ${FILESDIR}/scripts/casper-bottom/* \
|
||||||
${initramfsdir}/scripts/casper-bottom
|
${initramfsdir}/scripts/casper-bottom
|
||||||
install -m 644 ${FILESDIR}/scripts/{casper,casper-helpers} \
|
install -m 644 ${FILESDIR}/scripts/{casper,casper-helpers} \
|
||||||
${initramfsdir}/scripts
|
${initramfsdir}/scripts
|
||||||
install -m 644 ${FILESDIR}/conf.d/* ${initramfsdir}/conf.d
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue