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-rw-r--r--debian/apt.cron.daily54
1 files changed, 54 insertions, 0 deletions
diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
new file mode 100644
index 000000000..67b58747e
--- /dev/null
+++ b/debian/apt.cron.daily
@@ -0,0 +1,54 @@
+#!/bin/sh
+#
+# cron job for apt-get update
+#
+# Update-Package-Intervall is in days
+#
+STAMP=/var/lib/apt/update-stamp
+
+#set -e
+
+do_update()
+{
+ touch $STAMP.new
+ if apt-get update -qq; then
+ if [ -x /usr/bin/dbus-send ]; then
+ dbus-send --system / app.apt.dbus.updated boolean:true
+ fi
+ mv $STAMP.new $STAMP
+ fi
+ rm -f $STAMP.new
+}
+
+UpdateInterval=0
+RES=`apt-config shell UpdateInterval APT::Periodic::Update-Package-Lists`
+eval $RES
+
+if [ $UpdateInterval -eq 0 ]; then
+ exit 0
+fi
+
+# laptop check, on_ac_power returns:
+# 0 (true) System is on mains power
+# 1 (false) System is not on mains power
+# 255 (false) Power status could not be determined
+# Desktop systems always return 255 it seems
+if [ -x /usr/bin/on_ac_power ]; then
+ /usr/bin/on_ac_power
+ if [ $? -eq 1 ]; then
+ exit 0
+ fi
+fi
+
+if [ ! -f $STAMP ]; then
+ do_update
+ exit 0
+fi
+
+LastUpdate=`stat -c "%Y" $STAMP 2>/dev/null`
+Now=`date +%s`
+
+NeedUpdate=$(($LastUpdate+$UpdateInterval*3600*24))
+if [ $NeedUpdate -le $Now ]; then
+ do_update
+fi