Rework LuCI build system

[project/luci.git] / applications / luci-app-polipo / root / usr / sbin / polipo_purge

diff --git a/applications/luci-app-polipo/root/usr/sbin/polipo_purge b/applications/luci-app-polipo/root/usr/sbin/polipo_purge
new file mode 100755 (executable)
index 0000000..23ba571
--- /dev/null
+++ b/applications/luci-app-polipo/root/usr/sbin/polipo_purge
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+DAEMON=/usr/sbin/polipo
+PIDFILE=`uci get polipo.daemon.pidFile`
+CFGFILE=/var/etc/polipo.conf
+
+[ -e "$PIDFILE" ] && {
+       PID=`cat $PIDFILE`
+
+       # send Polipo USR1 signal to write its in-memory cache to disk
+       kill -USR1 $PID
+       sleep 2
+       # start polipo with -x flag to purge the on-disk cache
+       polipo -c $CFGFILE -x
+       # send Polipo USR2 signal to discard its in-memory cache
+       kill -USR2 $PID
+}
+