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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
backup [-q] [-C COMMENT] [-x] [ARCHIVE_TAG]
backup -h
EOF
}
help() {
cat <<-'EOF'
Options:
-q disable verbose mode, useful for
non-interactive sessions
-C COMMENT the comment text to be attached to the archive
-h, --help show this message
ARCHIVE_TAG the tag used to create the new
backup (default: "manual")
The repository is expected to have been created with:
$ borg init -e repokey-blake2
The following environment variables are expected to be exported:
$BORG_PASSCOMMAND
$BORG_REPO
$BORG_REMOTE_PATH
Password-less SSH access is required, usually done via adding
~/.ssh/id_rsa.pub to suyin:.ssh/authorized_keys.
Examples:
Run backup manually:
$ backup
Create backup with comment, and verbose mode active:
$ backup -qC 'The backup has a comment' my-backup
EOF
}
for flag in "$@"; do
case "$flag" in
(--)
break
;;
(--help)
usage
help
exit
;;
(*)
;;
esac
done
VERBOSE_FLAGS='--verbose --progress'
COMMENT=''
while getopts 'qC:h' flag; do
case "$flag" in
(q)
VERBOSE_FLAGS=''
;;
C)
COMMENT="$OPTARG"
;;
(h)
usage
help
exit
;;
(*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
ARCHIVE_TAG="${1:-manual}"
set -x
# The contents of $VERBOSE_FLAGS doesn't involve user input:
# shellcheck disable=2086
borgy \
$VERBOSE_FLAGS \
--comment "$COMMENT" \
"::{hostname}-{now}-$ARCHIVE_TAG" \
~/
|
