int main() {
// Check to make sure required env variables are set
- if(getenv("backupdbin") == NULL || getenv("backupdbout") == NULL || getenv("blocksize") == NULL || getenv("availsizemb") == NULL)
+ if( getenv( "backupdbin" ) == NULL ||
+ getenv( "backupdbout" ) == NULL ||
+ getenv( "blocksize" ) == NULL ||
+ getenv( "availsizemb" ) == NULL )
{
cerr << "Required environment variables are not set. Exiting." << endl;
return 1;
sort( backups_s.rbegin(), backups_s.rend(), FileData::sizecmp );
file_set final;
- unsigned long long space = atoll(getenv("availsizemb")) * 1048576ull;
-
+ const unsigned long long availsizemb = atoll( getenv("availsizemb") ) * 0x100000ull;
+ unsigned long long space = availsizemb;
+
insert_iterator<file_set> final_i( final, final.begin() );
// Copy files over until full or out of files
sizes( final.begin(), final.end(), total_blocks, total_bytes );
// Track how many disks there are remaining to be burned
- unsigned long long disks_remaining = 0;
- if(modified_bytes || added_bytes)
- disks_remaining = (unsigned long long)ceil(static_cast<double>(modified_bytes+added_bytes)/(atoll(getenv("availsizemb"))*1048576ull))-1;
+ unsigned long long disks_remaining = 0;
+ if(modified_bytes || added_bytes)
+ disks_remaining = static_cast<unsigned long long>(
+ ceil( static_cast<double>( modified_bytes + added_bytes ) / availsizemb ) - 1
+ );
updateLastBackupDate( final.begin(), final.end(), now );
cerr << " Added Blocks: " << added_blocks << endl;
cerr << " Modified Bytes: " << modified_bytes << endl;
cerr << " Modified Blocks: " << modified_blocks << endl;
- cerr << " Disks Remaining: " << disks_remaining << endl << endl;
+ cerr << " Disks Remaining: " << disks_remaining << endl << endl;
cerr << "Will be backed up..." << endl;
cerr << " Essential Bytes: " << essential_bytes << endl;
# 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
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 -> $isomountdir"
fi
{
for type in d f l; do
findformat="$type %#m %u %g %s %CY%Cm%Cd%CH%CM%CS 0 %p\0"
- if [ -z "$excludedirs" ]
- then
+ if [ -z "$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"
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"