1 files changed, 14 insertions, 0 deletions
diff --git a/network/arno-iptables-firewall/doinst.sh b/network/arno-iptables-firewall/doinst.sh
new file mode 100644
index 0000000000000..5129a9435f7d6
--- /dev/null
+++ b/network/arno-iptables-firewall/doinst.sh
@@ -0,0 +1,14 @@
+config() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  if [ ! -r $OLD ]; then
+    mv $NEW $OLD
+  elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
+    rm $NEW
+  fi
+}
+
+CONFIG=${CONFIG:-/etc/arno-iptables-firewall}
+for conf in $( find $CONFIG -name *.new ) ; do
+  config ${conf}
+done