#!/bin/sh

set -e

errx() {
	printf "lifeboat: %s\n" "$1" >&2
	exit 1
}

usage() {
	printf "usage: lifeboat repo [run|restic-cmd]\n"
	exit 0
}

run_backup() {
	(
		cd "$rootdir/$repo"
		./run
		for i in post sync; do
			test -x $i && ./$i
		done
	)
}

rootdir=${LIFEBOAT_ROOT:-"/srv/backup/lifeboat"}

test $# -lt 2 && usage

repo=$1
shift

test -d "$rootdir/$repo" || errx "$repo: no such repository"

export LIFEBOAT_REPO_NAME=$repo
export RESTIC_REPOSITORY=$rootdir/$repo/repo
export RESTIC_PASSWORD_FILE=$rootdir/$repo/credentials/restic

case "$1" in
	run) run_backup;;
	*) restic "$@";;
esac