From 359297fa01837411050b7b3e61c5ffbb4c3d5ced Mon Sep 17 00:00:00 2001
From: Jamie Cameron <jcameron@webmin.com>
Date: Fri, 10 Oct 2014 17:29:04 -0700
Subject: [PATCH] Keep route lines when editing an interface
 http://virtualmin.com/node/34470

---
 net/debian-linux-lib.pl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/debian-linux-lib.pl b/net/debian-linux-lib.pl
index 10a4bd0b2..07a8ff499 100755
--- a/net/debian-linux-lib.pl
+++ b/net/debian-linux-lib.pl
@@ -233,7 +233,9 @@ foreach $iface (@ifaces) {
 		$found = 1;
 		foreach my $o (@{$iface->[3]}) {
 			if ($o->[0] eq 'gateway' ||
-			    $o->[0] eq 'pre-up' && $o->[1] =~ /brctl/) {
+			    $o->[0] eq 'pre-up' && $o->[1] =~ /brctl/ ||
+			    $o->[0] =~ /^(pre-)?up$/ &&
+			      $o->[1] =~ /ip\s+route/) {
 				push(@options, $o);
 				}
 			}
@@ -244,6 +246,9 @@ foreach $iface (@ifaces) {
 		}
 	}
 
+# Remove any duplicate options
+@options = grep { !$done{$_->[0],$_->[1]}++ } @options;
+
 if (!$found) {
 	# Add a new interface section
 	if ($in{'vlan'} == 1) {