From f54bad96cef6ed52547151bc3a7ef64377f16c3e Mon Sep 17 00:00:00 2001
From: Thomas Jepp <tom@tomjepp.co.uk>
Date: Wed, 3 Feb 2016 20:08:16 +0000
Subject: Add vyos-persistpath and update install-image-existing and
 vyatta-update-grub.pl to use it.

---
 scripts/vyos-persistpath | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 scripts/vyos-persistpath

(limited to 'scripts/vyos-persistpath')

diff --git a/scripts/vyos-persistpath b/scripts/vyos-persistpath
new file mode 100755
index 00000000..d7199b09
--- /dev/null
+++ b/scripts/vyos-persistpath
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+if grep -q -e '^overlay.*/filesystem.squashfs' /proc/mounts; then
+	# Live CD boot
+	exit 2
+	
+elif grep -q 'upperdir=/live/persistence/' /proc/mounts && egrep -q 'overlay / overlay ' /proc/mounts; then
+	# union boot
+	
+	boot_device=`grep -o 'upperdir=/live/persistence/[^/]*/boot' /proc/mounts | cut -d / -f 4`
+	persist_path="/lib/live/mount/persistence/$boot_device"
+	
+	echo $persist_path
+	exit 0
+else
+	# old style boot
+
+	exit 1
+fi
\ No newline at end of file
-- 
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