From a05629b9f4088b0762b4ee4d7396440117115d09 Mon Sep 17 00:00:00 2001
From: Ghe Rivero <ghe.rivero@hp.com>
Date: Wed, 20 Feb 2013 13:07:23 +0100
Subject: [PATCH] Support multiple outputs disk formats

Using the IMAGE_TYPE env variable, you can select which ouput disk format you want for your image.
Only qcow2 format supports compression.

Change-Id: Ia01d9079c354dbd3cfcf870d86f97ee57bd9d479
---
 lib/img-functions | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/img-functions b/lib/img-functions
index 8a0ad7bb..f0914840 100644
--- a/lib/img-functions
+++ b/lib/img-functions
@@ -166,7 +166,8 @@ function finalise_base () {
 
 function compress_image () {
     # Recreate our image to throw away unnecessary data
-    qemu-img convert ${COMPRESS_IMAGE:+-c} $TMP_IMAGE_PATH -O qcow2 $TMP_IMAGE_PATH-new
+    test $IMAGE_TYPE != qcow2 && COMPRESS_IMAGE=""
+    qemu-img convert ${COMPRESS_IMAGE:+-c} $TMP_IMAGE_PATH -O $IMAGE_TYPE $TMP_IMAGE_PATH-new
     rm $TMP_IMAGE_PATH
     mv $TMP_IMAGE_PATH-new $TMP_IMAGE_PATH
 }