#!/bin/sh -ex
#
# will browse through a list of repositories (at ~/etc/bzr-backup-repos)
#

REPO_LIST=~/etc/bzr-backup-repos
LOCATIONS_LIST=~/etc/bzr-backup-locations
BACKUP_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