hilfe mein git ist komisch

etc/network/if-down.d/postfix

@@ -0,0 +1,34 @@
+#!/bin/sh -e
+
+# Called when an interface disconnects
+# Written by LaMont Jones <lamont@debian.org>
+
+# start or reload Postfix as needed
+
+# If /usr isn't mounted yet, silently bail.
+if [ ! -d /usr/lib/postfix ]; then
+	exit 0
+fi
+
+RUNNING=""
+# If master is running, force a queue run to unload any mail that is
+# hanging around.  Yes, sendmail is a symlink...
+if [ -f /var/spool/postfix/pid/master.pid ]; then
+	pid=$(sed 's/ //g' /var/spool/postfix/pid/master.pid)
+	exe=$(ls -l /proc/$pid/exe 2>/dev/null | sed 's/.* //;s/.*\///')
+	if [ "X$exe" = "Xmaster" ]; then
+		RUNNING="y"
+	fi
+fi
+
+if [ ! -x /sbin/resolvconf ]; then
+	f=/etc/resolv.conf
+	if ! cp $f "$(postconf -hx queue_directory)$f" 2>/dev/null; then
+		exit 0
+	fi
+	if [ -n "$RUNNING" ]; then
+		service postfix reload >/dev/null 2>&1
+	fi
+fi
+
+exit 0