From 4201ffc84ba7eb7c61470a15695eea70ba2b1ac0 Mon Sep 17 00:00:00 2001
From: Jeffrey Morgan <jmorganca@gmail.com>
Date: Wed, 12 Aug 2015 19:41:38 -0700
Subject: [PATCH] Check for migration ability

---
 osx/mpkg/boot2dockeriso.pkg/Scripts/postinstall | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/osx/mpkg/boot2dockeriso.pkg/Scripts/postinstall b/osx/mpkg/boot2dockeriso.pkg/Scripts/postinstall
index 34937f77ff..d333648270 100755
--- a/osx/mpkg/boot2dockeriso.pkg/Scripts/postinstall
+++ b/osx/mpkg/boot2dockeriso.pkg/Scripts/postinstall
@@ -18,7 +18,11 @@ VM=default
 
 VBOXMANAGE=/Applications/VirtualBox.app/Contents/MacOS/VBoxManage
 
-if [ -f $VBOXMANAGE ] && [ -f /usr/local/bin/docker-machine ]; then
+# Make sure this version of boot2docker can migrate
+/usr/local/bin/docker-machine create --help | grep virtualbox-import-boot2docker-vm
+DOCKER_MACHINE_MIGRATION_CHECK=$?
+
+if [ -f $VBOXMANAGE ] && [ -f /usr/local/bin/docker-machine ] && [ $DOCKER_MACHINE_MIGRATION_CHECK -eq 0 ]; then
   sudo -u $USER $VBOXMANAGE showvminfo $BOOT2DOCKER_VM &> /dev/null
   BOOT2DOCKER_VM_EXISTS_CODE=$?