Created
August 31, 2012 19:19
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a small shell script that can be used within rsnapshot as cmd_rm. It provides snapshots generated with btrfs instead of hard-links
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| #!/bin/sh | |
| # Arg 1: -rf | |
| # Arg 2: /testbtrfs/backups/hourly.4/ | |
| # echo 1: $1 2: $@ | |
| # Try to delete the given path with btrfs subvolume delete first | |
| # Check if inode number == 256 (all subvolumes have inode number 256) | |
| if [ "$1" = "-rf" -a "$3" = "" -a $(stat --printf='%i' $2) -eq 256 ]; then | |
| # "trying to delete with btrfs" | |
| btrfs subvolume delete $2 | |
| error=$? | |
| # if this fails fall back to normal rm (this shoudn't be needed anymore because of the inode check) | |
| if [ $error -eq 13 ]; then | |
| # EC 13 => The directory specified is no subvolume | |
| rm $@ | |
| elif [ $error -ne 0 ]; then | |
| echo Error while deleting with btrfs $? | |
| fi | |
| else | |
| rm $@ | |
| fi |
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