[PATCH] image.bbclass: Do not expand variables in IMAGE_CMD vardepsexclude

[Jonathan Liu <net147@gmail.com>]

This fixes tashhash mismatch errors creating images when IMAGE_CMD
references a variable whose value is always changing even though the
variable is specified in IMAGE_CMD vardepsexclude.

Signed-off-by: Jonathan Liu <net147@gmail.com>
---
 meta/classes/image.bbclass | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 8c8b8a2..f85ea86 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -441,6 +441,10 @@ python () {
         localdata.delVar('DATETIME')
         localdata.delVar('TMPDIR')
 
+        vardepsexclude = d.getVarFlag('IMAGE_CMD', 'vardepsexclude', True) or ''
+        vardepsexclude += ' ' + (d.getVarFlag('IMAGE_CMD_' + realt, 'vardepsexclude', True) or '')
+        for var in vardepsexclude.split():
+            localdata.delVar(var)
         image_cmd = localdata.getVar("IMAGE_CMD", True)
         vardeps.add('IMAGE_CMD_' + realt)
         if image_cmd:
-- 
2.9.3