From 1c81fabd916f42586199561cd81f3cad1f40cbb9 Mon Sep 17 00:00:00 2001
From: James Davidson <james.davidson@vyatta.com>
Date: Fri, 19 Oct 2012 16:26:34 -0700
Subject: Support detection of overlayfs

---
 scripts/vyatta-show-version | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/vyatta-show-version b/scripts/vyatta-show-version
index fa4de0d..b3c6782 100755
--- a/scripts/vyatta-show-version
+++ b/scripts/vyatta-show-version
@@ -190,11 +190,11 @@ if ($type) {
     print "System type:  $type\n";
 }
 
-my $booted = `grep -e '^unionfs.*/filesystem.squashfs' -e '^aufs.*/filesystem.squashfs' /proc/mounts`;
+my $booted = `egrep -e '^(union|overlay|au)fs.*/filesystem\.squashfs' /proc/mounts`;
 if (defined($booted) && $booted ne "") {
     $booted="livecd";
 } else {
-    my $image_boot = `grep -e '^unionfs / unionfs.*squashfs=ro' /proc/mounts`;
+    my $image_boot = `egrep -e '^(union|overlay)fs / (union|overlay)fs.*\.squashfs' /proc/mounts`;
     if ($image_boot ne "") {
 	$booted="image";
     } else {
-- 
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