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|
#!/bin/bash
# import functions library
source rescue_common
tmpdir="/tmp/flash-rescue-root"
rootdir="$tmpdir/pen"
function prepare() {
mkdir -p $rootdir
if ! mount_usbroot $rootdir; then
return 1
fi
if [ x"$version" = x"1.0" ]; then
mkdir -p $tmpdir/shared
if ! mount_sharedroot $tmpdir/shared; then
return 1
fi
fi
if [ ! -d $dir ]; then
mkdir $dir
fi
return 0
}
function doit() {
clear
echo
echo -n 'Creating backup file. This can take some time: '
bzip2 -c $loop > $target 2> /tmp/rescue-backup.err &
sleep 2
while ps | grep -q bzip2; do
progress
done
sync
echo
echo
errsize=$(ls -la /tmp/rescue-backup.err | cut -d' ' -f5)
if [ $errsize -ne 0 ]; then
echo "Error compressing user files into $target"
return 1
else
echo 'Backup file created!'
fi
echo
return 0
}
function cleanup() {
if [ x"$version" = x"1.0" ]; then
umount $tmpdir/shared > /dev/null 2>&1
rmdir $tmpdir/shared
fi
umount $rootdir > /dev/null 2>&1
rmdir $rootdir $tmpdir 2> /dev/null
return 0
}
clear
trap cleanup SIGINT
version=""
if ! insert_pendrive; then
exit 1
fi
if [ x"$version" = x"1.0" ]; then
dir="$tmpdir/shared/backup"
loop="$rootdir/loopbacks/system.loop"
else
dir="$rootdir/backup"
loop="$rootdir/.loopbacks/system.loop"
fi
file="backup-$(date +%Y%m%d).bz2"
target="$dir/$file"
if ! prepare; then
cleanup
exit 1
fi
if ! doit; then
cleanup
exit 1
fi
cleanup
exit 0
|
