bitbake: bin/bitbake: Ensure early errors are shown to the user

Currently if errors occur early in the init process, the errors may
not be shown to the user. This change ensures that if a failure does
occur, the messages are flushed from the queue and shown to the user.

(Bitbake rev: fda84c4285e0bc31c249b6dd5464aeb6ad622a9a)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/bin/bitbake

@@ -240,11 +240,22 @@ Default BBFILES are the .bb files in the current directory.""")
 
     idle = server.getServerIdleCB()
 
-    cooker = bb.cooker.BBCooker(configuration, idle, initialenv)
-    cooker.parseCommandLine()
+    try:
+        cooker = bb.cooker.BBCooker(configuration, idle, initialenv)
+        cooker.parseCommandLine()
 
-    server.addcooker(cooker)
-    server.saveConnectionDetails()
+        server.addcooker(cooker)
+        server.saveConnectionDetails()
+    except:
+        while True:
+            import queue
+            try:
+                event = server.event_queue.get(block=False)
+            except (queue.Empty, IOError):
+                break
+            if isinstance(event, logging.LogRecord):
+                logger.handle(event)
+        raise
     server.detach()
 
     # Should no longer need to ever reference cooker