bitbake: tinfoil: pass datastore to server when expanding python references

If you're expanding a value that refers to the value of a variable in
python code, we need to ensure that the datastore that gets used to get
the value of that variable is the client-side datastore and not just the
part of it that's on the server side. For example, suppose you are in
client code doing the following:

d.setVar('HELLO', 'there')
result = d.expand('${@d.getVar("HELLO", True)}')

result should be "there" but if the client part wasn't taken into
account, it would be whatever value HELLO had in the server portion of
the datastore (if any).

(Bitbake rev: cbc22a0a9aadc8606b927dbac0f1407ec2736b35)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/command.py

@@ -483,14 +483,13 @@ class CommandsSync:
     dataStoreConnectorGetVarHistory.readonly = True
 
     def dataStoreConnectorExpandPythonRef(self, command, params):
-        dsindex = params[0]
+        config_data_dict = params[0]
         varname = params[1]
         expr = params[2]
-        if dsindex:
-            datastore = self.dataStores[dsindex]
-        else:
-            datastore = command.cooker.data
-        varparse = bb.data_smart.VariableParse(varname, datastore)
+
+        config_data = command.remotedatastores.receive_datastore(config_data_dict)
+
+        varparse = bb.data_smart.VariableParse(varname, config_data)
         return varparse.python_sub(expr)
 
     def dataStoreConnectorRelease(self, command, params):