[OE-core] [PATCHv2 1/2] image_types.bbclass: add intermediate var for WKS_FILE_CHECKSUM

[Christopher Larson]

From: Christopher Larson <chris_larson at mentor.com>

This is a bit nicer to work with, and easier to override.

Signed-off-by: Christopher Larson <chris_larson at mentor.com>
---
 meta/classes/image_types.bbclass | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 72e8ed3..f7de756 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -215,7 +215,8 @@ IMAGE_CMD_wic[vardepsexclude] = "WKS_FULL_PATH WKS_FILES"
 
 # Rebuild when the wks file or vars in WICVARS change
 USING_WIC = "${@bb.utils.contains_any('IMAGE_FSTYPES', 'wic ' + ' '.join('wic.%s' % c for c in '${COMPRESSIONTYPES}'.split()), '1', '', d)}"
-do_image_wic[file-checksums] += "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}"
+WKS_FILE_CHECKSUM = "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}"
+do_image_wic[file-checksums] += "${WKS_FILE_CHECKSUM}"
 
 EXTRA_IMAGECMD = ""
 
-- 
2.8.0