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v0.7.1: Added detailed help and none encryption #3

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57 changes: 35 additions & 22 deletions borg-backup.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,8 @@

set -eu

BORG_BACKUP_SH_VERSION="0.7.0"
BORG_BACKUP_SH_VERSION="0.7.1"
SH="${0##*/}"

: "${BORG:=/usr/local/bin/borg}"
: "${CONFIG:=/etc/borg-backup.conf}"
Expand All @@ -57,33 +58,43 @@ err() {
}

usage() {
echo "borg-backup.sh $BORG_BACKUP_SH_VERSION"
echo
echo "* ${SH%%.*} * $BORG_BACKUP_SH_VERSION *"
echo
echo "Configuration:"
echo " Borg: $BORG"
echo " Config: $CONFIG"
echo " Backups: $BACKUPS"
for B in $BACKUPS; do
eval "DIRS=\${BACKUP_${B}-}"
[ -n "$DIRS" ] && echo " | ${B}: ${DIRS}"
done
echo " Location: $TARGET"
echo " Encryption: $REPOKEY"
echo " Compression: $COMPRESSION"
echo " Pruning: $PRUNE"
for B in $BACKUPS; do
eval "THIS_PRUNE=\${PRUNE_${B}-}"
[ -n "$THIS_PRUNE" ] && echo " | ${B}: ${THIS_PRUNE}"
done
echo
echo "Usage:"
echo " $0 help"
echo " $0 init [BACKUP]"
echo " $0 create [BACKUP]"
echo " $0 list [BACKUP]"
echo " $0 check [BACKUP]"
echo " $0 quickcheck [BACKUP]"
echo " $0 repocheck [BACKUP]"
echo " $0 prune [BACKUP]"
echo " $0 compact [BACKUP]"
echo " $0 break-lock [BACKUP]"
echo " $0 extract BACKUP [borg extract command]"
echo " $0 info BACKUP ARCHIVE"
echo " $0 delete BACKUP ARCHIVE"
echo " $0 borg BACKUP [arbitrary borg command-line]"
echo " $SH help"
echo " $SH init [BACKUP]"
echo " $SH create [BACKUP]"
echo " $SH list [BACKUP]"
echo " $SH check [BACKUP]"
echo " $SH quickcheck [BACKUP]"
echo " $SH repocheck [BACKUP]"
echo " $SH prune [BACKUP]"
echo " $SH compact [BACKUP]"
echo " $SH break-lock [BACKUP]"
echo " $SH extract BACKUP [borg extract command]"
echo " $SH info BACKUP ARCHIVE"
echo " $SH delete BACKUP ARCHIVE"
echo " $SH borg BACKUP [arbitrary borg command-line]"
echo
echo " e.g: $0 borg etc extract ::etc-2017-02-21T20:00Z etc/rc.conf --stdout"
echo " e.g: $SH borg etc extract ::etc-2017-02-21T20:00Z etc/rc.conf --stdout"
echo
echo "Use a BACKUP name of '--' to apply a 'borg' command to all backups"
exit "$1"
Expand All @@ -98,7 +109,12 @@ usage() {

[ -e "$BORG" ] || err "$BORG not executable (see https://borgbackup.readthedocs.io/en/stable/installation.html)"
[ -z "$PRUNE" ] && err "PRUNE not set (e.g. '-H 24 -d 14 -w 8 -m 6')"
[ -z "${PASSPHRASE-}" ] && err "PASSPHRASE not set (e.g. 'incorrect zebra generator clip')"
if [ -z "${PASSPHRASE-}" ];then
REPOKEY="none"
else
REPOKEY="repokey"
export BORG_PASSPHRASE="$PASSPHRASE"
fi
[ -z "${TARGET-}" ] && err "TARGET not set (e.g. 'backup@host:/backup/path')"
[ -z "${BACKUPS-}" ] && err "BACKUPS not set (e.g. 'homes etc')"

Expand All @@ -107,8 +123,6 @@ for B in $BACKUPS; do
[ -z "${DIRS}" ] && err "BACKUP_${B} not set (e.g. '/home/bla -e /home/bla/.foo')"
done

export BORG_PASSPHRASE="$PASSPHRASE"

TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%MZ")

nargs=$#
Expand All @@ -125,7 +139,7 @@ for B in $BACKUPS; do
case $cmd in
init)
[ "$nargs" -gt 2 ] && usage 64
$BORG init --encryption=repokey || rc=$?
$BORG init --encryption=$REPOKEY || rc=$?
;;
create)
[ "$nargs" -gt 2 ] && usage 64
Expand Down Expand Up @@ -189,4 +203,3 @@ for B in $BACKUPS; do
done

exit $rc