diff -r c2e97355a239 -r 5f159c41e8a3 bin/check-repo-key-expiry
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/check-repo-key-expiry	Wed Apr 18 11:09:40 2012 +0200
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+NOTIFY='edv@schlittermann.de'
+WARNTIME=$(expr 30 \* 24 \* 60 \* 60) # seconds
+EXPIRY=$(date -d $(LC_ALL= LANG= gpg -k --with-colons apt.schlittermann.de|grep '^pub'|cut -d: -f7) +%s)
+TODAY=$(date +%s)
+
+if [[ $(( $EXPIRY - $TODAY )) -le $WARNTIME ]]; then
+  ( echo Subject: apt.schlittermann.de Archive Signing Key is about to expire - please extend expiry date; gpg -k apt.schlittermann.de ) | /usr/sbin/sendmail $NOTIFY
+fi