===================================================================
RCS file: /cvs/openbsd/backup_config/backup_config,v
retrieving revision 1.2
retrieving revision 1.10
diff -u -r1.2 -r1.10
--- openbsd/backup_config/backup_config	2009/05/21 22:54:34	1.2
+++ openbsd/backup_config/backup_config	2009/11/05 23:26:34	1.10
@@ -1,14 +1,33 @@
 #!/bin/sh
-# $RedRiver: backup_config,v 1.1 2007/05/04 20:56:34 andrew Exp $
+# $RedRiver: backup_config,v 1.9 2009/10/26 19:40:33 andrew Exp $
 
-FILE=`hostname -s`-`date +%Y-%m-%d`
+if [ `id -u` -ne 0 ]; then 
+	echo You should run this as root! >&2
+	exit 255
+fi
 
-local _mcfile=`grep '^### .*\.mc' /etc/mail/sendmail.cf | cut -d ' ' -f 2`
+FILE=/tmp/`hostname -s`-`date +%Y-%m-%d`.tar.gz
+local _maxhomesize=`dc -e '50 1024 * p'`
 
-#  /home \
-tar czvf /tmp/${FILE}.tar.gz \
-  /root \
+local _list="/root \
   /etc \
-  /usr/share/sendmail/cf/$_mcfile \
   /var/backups \
-  /var/www/conf
+  /var/cron \
+  /var/www/conf"
+
+local _mcfile=`grep '^### .*\.mc' /etc/mail/sendmail.cf | cut -d ' ' -f 2`
+if [ X"${_mcfile}" != X"" ]; then
+  _list="${_list} /usr/share/sendmail/cf/${_mcfile}"
+fi
+
+local _homesize=`du -ks /home/ | awk '{print $1}'`
+if [ $_homesize -lt $_maxhomesize ]; then
+	_list="${_list} /home/"
+else
+	echo Not backing up /home, too large!
+fi
+
+tar czf ${FILE} $_list
+
+echo backed up $_list to
+echo "\t$FILE"