aw-overlay/app-backup/urbackup-client/files/btrfs_remove_filesystem_snapshot
2018-07-20 21:12:15 -04:00

35 lines
662 B
Bash

#!/bin/bash
set -e
SNAP_ID=$1
SNAP_MOUNTPOINT="$2"
SNAP_NAME="$3"
SNAP_DEST="$4"
SNAP_ORIG_PATH="$5"
if ! test -e $SNAP_MOUNTPOINT
then
echo "Snapshot at $SNAP_MOUNTPOINT was already removed"
exit 0
fi
TYPE=$(df -T -P | egrep " ${SNAP_MOUNTPOINT}\$" | tr -s " " | cut -d" " -f2)
if [[ $TYPE == "" ]]
then
if btrfs subvolume list -o "$SNAP_MOUNTPOINT" > /dev/null 2>&1
then
TYPE="btrfs"
fi
fi
if [[ $TYPE == "btrfs" ]]
then
btrfs subvolume delete "$SNAP_MOUNTPOINT"
else
echo "Cannot remove snapshot at $SNAP_MOUNTPOINT. File system type $TYPE not supported."
exit 1
fi
exit 0