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-rwxr-xr-xsrc/opt/vyatta/sbin/vyos-persistpath19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/opt/vyatta/sbin/vyos-persistpath b/src/opt/vyatta/sbin/vyos-persistpath
new file mode 100755
index 000000000..d7199b09a
--- /dev/null
+++ b/src/opt/vyatta/sbin/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