BACKUP_DIR = /home/backups
FILES_FROM = :/root/.backup.list
RSYNC =	/usr/local/bin/rsync

SSH = /usr/bin/ssh
SSH_USER ?= root
SSH_PARAMS = -q -o BatchMode=yes -i /home/backups/.ssh/id_rsa

.if !defined(HOST)
err1:
	@echo HOST not defined
	@exit 1
.endif

DATE != date +%Y%m%d%H%M
DESTINATION = ${BACKUP_DIR}/${HOST}-${DATE}
COUNT != ls -1d ${BACKUP_DIR}/${HOST}-* 2>/dev/null | wc -l
LAST !=  ls -1d ${BACKUP_DIR}/${HOST}-* 2>/dev/null | tail -n1
.if !empty(LAST)
RSYNC_LINK_DEST = --link-dest=${LAST}
.endif

backup:
	@mkdir -p ${DESTINATION}
	@echo Backuping ${HOST} to ${DESTINATION}
	@${RSYNC} -avr ${RSYNC_LINK_DEST}		\
	    --log-file=${DESTINATION}/var/log/rsync.log	\
	    --files-from=${FILES_FROM}			\
	    -e "${SSH} ${SSH_PARAMS}"			\
	    ${SSH_USER}@${HOST}:/ ${DESTINATION}

local-backup:
	@mkdir -p ${DESTINATION}
	@echo Backuping ${HOST} to ${DESTINATION}
	@${RSYNC} -avr ${RSYNC_LINK_DEST}		\
	    --log-file=${DESTINATION}/var/log/rsync.log	\
	    --files-from=${FILES_FROM}			\
	    / ${DESTINATION}

clean: