backup script

#!/bin/sh -ex## will browse through a list of repositories (at ~/etc/bzr-backup-repos)#REPO_LIST=~/etc/bzr-backup-reposLOCATIONS_LIST=~/etc/bzr-backup-locationsBACKUP_LOCATIONS=SSH_KEY=~/etc/bzr-backup.id_dsa check_branches(){	local REPO=$1	for path in `find $REPO -name .bzr`; do		# skip shared repositories:		test "$path" = "$REPO/.bzr" && continue		repopath=`dirname $path`		bzr check $repopath		if [ $? -ne 0 ]; then			echo "bzr check failed for $path, stopping the "\			     "backup process." >&2			exit 1		fi	done}rsync_repo(){	local REPO=$1	for location in `cat $LOCATIONS_LIST | grep -v '^#'`; do		if rsync -rz -e "ssh -i $SSH_KEY" $REPO $location; then			echo "backup to $location OK"		else			echo "WARNING: backup to $location FAILED" >&2		fi	done}sync_shared_repo(){	local REPO=$1	check_branches $1	rsync_repo $1}main() {	for path in `cat $REPO_LIST | grep -v '^#'`; do		sync_shared_repo $path	done}main