bitbake: tinfoil: Allow run_command not to wait on events

There are some commands where we want to see the events returned so allow
the caller to request this. This also allows us to fix an infamous bug in
the tinfoil testsuite in OE-Core.

(Bitbake rev: 41bf1fa85a540232dcf92fe473c3b3c4cd7259dd)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 0e8421c41d97d5d50a553d70c8f775d521f1a199)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/tinfoil.py

@@ -448,7 +448,7 @@ class Tinfoil:
         self.run_actions(config_params)
         self.recipes_parsed = True
 
-    def run_command(self, command, *params):
+    def run_command(self, command, *params, handle_events=True):
         """
         Run a command on the server (as implemented in bb.command).
         Note that there are two types of command - synchronous and
@@ -468,7 +468,7 @@ class Tinfoil:
         try:
             result = self.server_connection.connection.runCommand(commandline)
         finally:
-            while True:
+            while handle_events:
                 event = self.wait_event()
                 if not event:
                     break