better confirmations, etc.

This commit is contained in:
James Barnett
2016-09-24 14:59:43 -05:00
parent 0e5d4ce353
commit 8cd177fff9

66
backup
View File

@@ -9,8 +9,6 @@
# Can set the backup directory here, or in the snapper configuration file with
# EXT_BACKUP_LOCATION
declare -r mybackupdir="acer-c720"
declare -r disklabel="backup"
declare -r description="latest incremental backup"
# You can set a snapper configuration to be excluded by setting EXT_BACKUP="no"
@@ -59,8 +57,6 @@ done
selected_uuid="${UUIDS_ARRAY[$disk]}"
echo "You selected the disk with UUID $selected_uuid."
declare -r userdata="backupdir=$mybackupdir, uuid=$selected_uuid"
if [[ -f /etc/conf.d/snapper ]]; then
source /etc/conf.d/snapper
else
@@ -80,43 +76,55 @@ for x in $SNAPPER_CONFIGS; do
if [[ $do_backup == "y" ]]; then
BACKUPDIR="$(findmnt -n -v -t btrfs -o UUID,TARGET --list | awk '/'$selected_uuid'/ {print $2}')/$mybackupdir"
if [[ ! -d $BACKUPDIR ]]; then
echo "ERROR: $BACKUPDIR is not a directory."
exit 1
fi
old_number=$(snapper -c "$x" list -t single | awk '/'"$userdata"'/ {print $1}')
old_number=$(snapper -c "$x" list -t single | awk '/'"$selected_uuid"'/ {print $1}')
new_number=$(snapper -c "$x" create --print-number)
sync
new_snapshot=$SUBVOLUME/.snapshots/$new_number/snapshot
new_info=$SUBVOLUME/.snapshots/$new_number/info.xml
backup_location=$BACKUPDIR/$x/$new_number/
echo "Backup location:"
echo "$backup_location"
read -n 1 -p "Continue (y/n)? " cont_backup
echo
if [[ "$cont_backup" != "y" ]]; then
break
fi
if [[ -d "$backup_location" ]]; then
echo "ERROR: Backup location already exists."
break
fi
mkdir -p "$backup_location"
if [[ -z "$old_number" ]]; then
echo "No backups have been performed for '$x' on this disk."
read -p "Enter name of directory to store backups: " mybackupdir
BACKUPDIR="$(findmnt -n -v -t btrfs -o UUID,TARGET --list | awk '/'$selected_uuid'/ {print $2}')/$mybackupdir"
backup_location=$BACKUPDIR/$x/$new_number/
echo "Backup location: $backup_location"
read -n 1 -p "Continue (y/n)? " cont_backup
echo
if [[ "$cont_backup" != "y" ]]; then
continue
fi
mkdir -p "$backup_location"
echo "Performing initial backup for snapper configuration '$x'. This could take awhile..."
btrfs send "$new_snapshot" | btrfs receive "$backup_location"
else
mybackupdir=$(snapper -c root list -t single | awk -F"|" '/'$selected_uuid'/ {print $5}' | awk -F "," '{print $1}' | awk -F"=" '{print $2}')
BACKUPDIR="$(findmnt -n -v -t btrfs -o UUID,TARGET --list | awk '/'$selected_uuid'/ {print $2}')/$mybackupdir"
if [[ ! -d $BACKUPDIR ]]; then
echo "ERROR: $BACKUPDIR is not a directory."
exit 1
fi
backup_location=$BACKUPDIR/$x/$new_number/
echo "Backup location: $backup_location"
if [[ -d "$backup_location" ]]; then
echo "ERROR: Backup location already exists."
break
fi
mkdir -p "$backup_location"
read -n 1 -p "Continue (y/n)? " cont_backup
echo
if [[ "$cont_backup" != "y" ]]; then
continue
fi
old_snapshot=$SUBVOLUME/.snapshots/$old_number/snapshot
# Sends the difference between the new snapshot and old snapshot to
@@ -131,6 +139,8 @@ for x in $SNAPPER_CONFIGS; do
fi
userdata="backupdir=$mybackupdir, uuid=$selected_uuid"
# Tag new snapshot as the latest
snapper -v -c "$x" modify -d "$description" -u "$userdata" "$new_number"