more gitlab backup

bin/gitlab-backup.sh

@@ -1,11 +1,17 @@
 #!/usr/bin/env bash
-
+#
 # needs to run as root
+#
+# setup as cron job:
+#
+# sudo crontab -e
+# 0 2 * * * /bin/gitlab-backup.sh
+#
 
 # Create a time-stamped .tar file in the current directory.
 # The .tar file will be readable only to root.
 cd /var/opt/gitlab/backups/
-sh -c 'umask 0077; tar -cf $(date "+%F+etc-gitlab-%s.tar") -C / etc/gitlab'
+sh -c 'umask 0077; tar -cf $(date "+%s-%F-etc-gitlab.tar") -C / etc/gitlab'
 
 # run GitLab system backup 
 gitlab-rake gitlab:backup:create CRON=1