# source the system specific configuration
[ -f /etc/lsbackups.conf ] && . /etc/lsbackups.conf
+simulate=
# process command line arguments
-case "$1" in
+case "$1" in
-s) simulate=1;;
esac
isomountdir="$isoimage.mnt"
restorescript="$scriptsdir/restore.sh"
+echo "-> Checking for available disk space on $imagedir"
+available=$(df $imagedir | awk '{print$4}' | grep -E "[0-9]+")
+required=$((imagesizemb*1024))
+[ $required -gt $available ] && err "Not enough space for the backup image on $imagedir"
+
echo "-> Creating directories"
mkdir --mode=700 -p $datadir $imagedir $isomountdir $tmpdir
-if [ $? != 0 ]
-then
- if test -d $isomountdir
- then
- rm -rf $isomountdir
- fi
+if [ $? != 0 ]; then
+ test -d $isomountdir && rm -rf $isomountdir
err "Unable to create the following directories:
$datadir $imagedir $isomountdir $tmpdir"
fi
[ $? != 0 ] && err "dd failed to create $isoimage"
mke2fs -b $blocksize -F $isoimage
-
-if [ $? != 0 ]
-then
+if [ $? != 0 ]; then
rm -rf $isomountdir $isoimage
err "Unable to create the iso image: $isoimage"
fi
e2label $isoimage $today
-
-if [ $? != 0 ]
-then
+if [ $? != 0 ]; then
rm -rf $isomountdir $isoimage
err "Unable to label the iso image: $isoimage"
fi
echo "-> Mounting the iso image"
mount -t ext2 -o loop $isoimage $isomountdir
-if [ $? != 0 ]
-then
+if [ $? != 0 ]; then
rm -rf $isomountdir $isoimage
err "Unable to mount the iso image: $isoimage -> $isomountdir"
fi
echo "-> Running find to get the status of files"
{
for type in d f l; do
- findformat="$type %#m %u %g %s %CY%Cm%Cd%CH%CM%CS 0 %p\0"
- if [ -z "$excludedirs" ]
- then
+ findformat="$type %#m %u %g %s %TY%Tm%Td%TH%TM%TS 0 %p\0"
+ if [ -z "$excludedirs" ]; then
find $backupdirs -type $type -printf "$findformat"
else
echo $excludedirs | sed -e 's/ /\n/g' > $tmpdir/excluded
find $backupdirs -type $type -printf "$findformat" | grep -z -v -f $tmpdir/excluded
fi
done
-} > $currentfiles
+} > $currentfiles
-if [ ! -z $simulate ]
-then
+if [ -n "$simulate" ]; then
backupdbin=$backupdbout
fi
cat $currentfiles
} | lsbackups > $backups 2>$statusfile
-if [ ! -z $simulate ]
-then
+if [ -n "$simulate" ]; then
umount $isomountdir
rm -rf $isomountdir $isoimage
cat $statusfile
echo "-> Running rsync to pack the image"
rsyncopts="-W -H -S -l -p -t -g -o -0 --files-from=- --stats --progress"
cat $backups | rsync $rsyncopts / $isomountdir
-if [ $? != 0 ]
-then
+if [ $? != 0 ]; then
umount $isomountdir
rm -rf $isomountdir $isoimage $backupdbout
err "Unable to rsync to pack the image"
md5sum $isoimage | awk '{print$1}' > $isoimage.md5sum
[ $? != 0 ] && err "Unable to calculate the md5sum for this image: $isoimage"
+[ -z "$isoimage.md5sum" ] && err "Unable to calculate the md5sum for this image: $isoimage"
+[ -s "$isoimage.md5sum" ] || err "Unable to calculate the md5sum for this image: $isoimage"
cat $statusfile | mailx -s "DVD image available to burn - $today" $mailto
echo "-> Moving new database to $backupdbin"
mv $backupdbout $backupdbin
-[ $? != 0 ] && err "Unable to move backupdb: $backupdbout to $backupdbin"
-
+[ $? != 0 ] && err "Unable to move backupdb: $backupdbout to $backupdbin"