bitbake: add optional expansion to getVarFlag()

Add a parameter to getVarFlag() to auto-expand the value of the flag. This
makes getVarFlag() more consistent with getVar(), and allows expansion of
vardeps and vardepsexclude (which has been done in this commit).

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/bitbake/lib/bb/data_smart.py b/bitbake/lib/bb/data_smart.py
index c8cd8f8739..30f9cbc2d4 100644
--- a/bitbake/lib/bb/data_smart.py
+++ b/bitbake/lib/bb/data_smart.py
@@ -277,12 +277,15 @@ class DataSmart:
             self._makeShadowCopy(var)
         self.dict[var][flag] = flagvalue
 
-    def getVarFlag(self, var, flag):
+    def getVarFlag(self, var, flag, exp = False):
         local_var = self._findVar(var)
+        value = None
         if local_var:
             if flag in local_var:
-                return copy.copy(local_var[flag])
-        return None
+                value = copy.copy(local_var[flag])
+        if exp and value:
+            value = self.expand(value, None)
+        return value
 
     def delVarFlag(self, var, flag):
         local_var = self._findVar(var)