From 3159e3767cdbc59f26b19f0ac9fb47d792ab4466 Mon Sep 17 00:00:00 2001
From: Justin Cormack <justin.cormack@docker.com>
Date: Wed, 4 Jan 2017 15:07:23 +0000
Subject: [PATCH] Set bootable flag after partition resize

Google Cloud requires this to be set to boot.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
---
 alpine/packages/automount/etc/init.d/automount | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/alpine/packages/automount/etc/init.d/automount b/alpine/packages/automount/etc/init.d/automount
index f30b3687b..83ae51ddb 100755
--- a/alpine/packages/automount/etc/init.d/automount
+++ b/alpine/packages/automount/etc/init.d/automount
@@ -40,6 +40,9 @@ do_fsck_extend_mount()
 		sfdisk -q --delete "$DRIVE" 2> /dev/null
 		echo "${START},,83;" | sfdisk -q "$DRIVE"
 
+		# set bootable flag
+		sfdisk -A "$DRIVE" 1
+
 		# update status
 		blockdev --rereadpt $diskdev 2> /dev/null
 		mdev -s