+if [ -r /etc/grml/grml-buildd.conf ] ; then
+ . /etc/grml/grml-buildd.conf
+elif [ -r "${dir}/grml-buildd.conf" ] ; then
+ . "${dir}/grml-buildd.conf"
+fi
+
+# directory where daily ISOs are stored locally
+if [ -z "$MIRROR_DIRECTORY" ] ; then
+ echo "Error: \$MIRROR_DIRECTORY is not set. Exiting." >&2
+ exit 1
+fi
+
+# mail address where reports should be sent to
+if [ -z "$STORAGE_ADMIN" ] ; then
+ echo "Error: \$STORAGE_ADMIN is not set. Exiting." >&2
+ exit 2
+fi
+
+if ! cd "$MIRROR_DIRECTORY" ; then
+ echo "Error: could not change directory to $MIRROR_DIRECTORY" >&2
+ exit 3
+fi