--compression=t?z is broken

[evgkrsk]

With --compression=tgz (tbz/txz) and different workdir and backupdir, vzpbackup will not move BACKUP_FILE to final destination:

root@tar1 /backup/vz # time vzpbackup.sh --backup-dir=/backup/vz/ --work-dir=/backup/ --compress=tgz 11020
SUSPEND:                no
BACKUP_DIR:             /backup/vz/
WORK_DIR:               /backup/
COMPRESS:               tgz
COMPACT:                0
BACKUP TTL:             0
CTIDs to backup:                 11020
EXCLUDE CTIDs:  
Backing up CTID: 11020
Creating snapshot {68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}
Storing /var/lib/vz/private/11020/Snapshots.xml.tmp
Storing /var/lib/vz/private/11020/root.hdd/DiskDescriptor.xml.tmp
Creating delta /var/lib/vz/private/11020/root.hdd/root.hdd.{ce3697cf-5c53-4560-91c2-c0a0b49633e9} bs=2048 size=20971520 sectors v2
Creating snapshot dev=/dev/ploop41459 img=/var/lib/vz/private/11020/root.hdd/root.hdd.{ce3697cf-5c53-4560-91c2-c0a0b49633e9}
ploop snapshot {68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8} has been successfully created
Snapshot {68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8} has been successfully created
Copying config files: 
/etc/vz/conf/11020.conf
/etc/vz/conf/11020.conf.destroyed
/etc/vz/conf/11020.conf.migrated
./
./root.hdd/
./root.hdd/root.hdd
./root.hdd/DiskDescriptor.xml
./root.hdd/root.hdd.{ce3697cf-5c53-4560-91c2-c0a0b49633e9}
./root.hdd/DiskDescriptor.xml.lck
./Snapshots.xml
./dump/
./dump/{68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}.ve.conf
./dump/{68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}.ve.migrated
./dump/{68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}.ve.destroyed
./vzpbackup_snapshot
Removing backup config files: 
-rw-r--r-- 1 root root 1534 Jul  6 00:25 /var/lib/vz/private/11020/dump/{68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}.ve.conf
-rw-r--r-- 1 root root 1527 Jul  6 00:25 /var/lib/vz/private/11020/dump/{68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}.ve.destroyed
-rw-r--r-- 1 root root 1496 Jul  6 00:25 /var/lib/vz/private/11020/dump/{68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}.ve.migrated
Compressing the backup archive /backup//vzpbackup_11020_noc.iskranet.ru_20150706002557.tar not found!
Moving backup file
mv: missing destination file operand after ‘/backup/vz//vzpbackup_11020_noc.iskranet.ru_20150706002557.tar’
Try 'mv --help' for more information.
BACKUP FILE: /backup/vz//vzpbackup_11020_noc.iskranet.ru_20150706002557.tar
ls: cannot access /backup/vz//vzpbackup_11020_noc.iskranet.ru_20150706002557.tar: No such file or directory
Deleting snapshot {68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8}
Storing /var/lib/vz/private/11020/Snapshots.xml.tmp
Online merge uuid {5fbaabe3-6958-40ff-92a7-860e329aab41} -> {68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8} image /var/lib/vz/private/11020/root.hdd/root.hdd.{ce3697cf-5c53-4560-91c2-c0a0b49633e9} -> /var/lib/vz/private/11020/root.hdd/root.hdd 
Opening delta /var/lib/vz/private/11020/root.hdd/root.hdd
Merging top delta
Storing /var/lib/vz/private/11020/root.hdd/DiskDescriptor.xml
Removing /var/lib/vz/private/11020/root.hdd/root.hdd.{ce3697cf-5c53-4560-91c2-c0a0b49633e9}
ploop snapshot {68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8} has been successfully merged
Snapshot {68bdd8d4-0ab8-427f-bfa2-23c92dd82cb8} has been successfully deleted
vzpbackup.sh --backup-dir=/backup/vz/ --work-dir=/backup/ --compress=tgz 1102  191.76s user 9.69s system 88% cpu 3:47.65 total

It CAN work as expected if workdir and backupdir has same value, but will issue warning about non-existing .tar file and list contents of current dir:

root@tar1 /backup/vz # time vzpbackup.sh --backup-dir=/backup/vz/ --compress=tgz 11020
SUSPEND:                no
BACKUP_DIR:             /backup/vz/
WORK_DIR:               /backup/vz/
COMPRESS:               tgz
COMPACT:                0
BACKUP TTL:             0
CTIDs to backup:                 11020
EXCLUDE CTIDs:  
Backing up CTID: 11020
Creating snapshot {f478aa0e-8da0-4d7a-b646-15f12bc11d59}
Storing /var/lib/vz/private/11020/Snapshots.xml.tmp
Storing /var/lib/vz/private/11020/root.hdd/DiskDescriptor.xml.tmp
Creating delta /var/lib/vz/private/11020/root.hdd/root.hdd.{2cf811b9-5d73-4387-8b47-912a2a74dc3f} bs=2048 size=20971520 sectors v2
Creating snapshot dev=/dev/ploop41459 img=/var/lib/vz/private/11020/root.hdd/root.hdd.{2cf811b9-5d73-4387-8b47-912a2a74dc3f}
ploop snapshot {f478aa0e-8da0-4d7a-b646-15f12bc11d59} has been successfully created
Snapshot {f478aa0e-8da0-4d7a-b646-15f12bc11d59} has been successfully created
Copying config files: 
/etc/vz/conf/11020.conf
/etc/vz/conf/11020.conf.destroyed
/etc/vz/conf/11020.conf.migrated
./
./root.hdd/
./root.hdd/root.hdd
./root.hdd/DiskDescriptor.xml
./root.hdd/DiskDescriptor.xml.lck
./root.hdd/root.hdd.{2cf811b9-5d73-4387-8b47-912a2a74dc3f}
./Snapshots.xml
./dump/
./dump/{f478aa0e-8da0-4d7a-b646-15f12bc11d59}.ve.conf
./dump/{f478aa0e-8da0-4d7a-b646-15f12bc11d59}.ve.destroyed
./dump/{f478aa0e-8da0-4d7a-b646-15f12bc11d59}.ve.migrated
./vzpbackup_snapshot
Removing backup config files: 
-rw-r--r-- 1 root root 1534 Jul  6 00:05 /var/lib/vz/private/11020/dump/{f478aa0e-8da0-4d7a-b646-15f12bc11d59}.ve.conf
-rw-r--r-- 1 root root 1527 Jul  6 00:05 /var/lib/vz/private/11020/dump/{f478aa0e-8da0-4d7a-b646-15f12bc11d59}.ve.destroyed
-rw-r--r-- 1 root root 1496 Jul  6 00:05 /var/lib/vz/private/11020/dump/{f478aa0e-8da0-4d7a-b646-15f12bc11d59}.ve.migrated
Compressing the backup archive /backup/vz//vzpbackup_11020_noc.iskranet.ru_20150706000535.tar not found!
BACKUP FILE: 
total 24
drwx------ 4 root root   4096 Jul  6 00:05 .
drwx------ 4 root _vzctl 4096 Apr 13 16:29 ..
-rw-r--r-- 1 root root    443 Jul  6 00:05 Snapshots.xml
drwxr-xr-x 2 root root   4096 Jul  6 00:09 dump
drwx------ 2 root root   4096 Jul  6 00:05 root.hdd
-rw-r--r-- 1 root root     37 Jul  6 00:05 vzpbackup_snapshot
Deleting snapshot {f478aa0e-8da0-4d7a-b646-15f12bc11d59}
Storing /var/lib/vz/private/11020/Snapshots.xml.tmp
Online merge uuid {5fbaabe3-6958-40ff-92a7-860e329aab41} -> {f478aa0e-8da0-4d7a-b646-15f12bc11d59} image /var/lib/vz/private/11020/root.hdd/root.hdd.{2cf811b9-5d73-4387-8b47-912a2a74dc3f} -> /var/lib/vz/private/11020/root.hdd/root.hdd 
Opening delta /var/lib/vz/private/11020/root.hdd/root.hdd
Merging top delta
Storing /var/lib/vz/private/11020/root.hdd/DiskDescriptor.xml
Removing /var/lib/vz/private/11020/root.hdd/root.hdd.{2cf811b9-5d73-4387-8b47-912a2a74dc3f}
ploop snapshot {f478aa0e-8da0-4d7a-b646-15f12bc11d59} has been successfully merged
Snapshot {f478aa0e-8da0-4d7a-b646-15f12bc11d59} has been successfully deleted
vzpbackup.sh --backup-dir=/backup/vz/ --compress=tgz 11020  192.29s user 9.82s system 89% cpu 3:44.63 total