bitbake: process: Don't include logs in error message if piping them

If the caller is piping the logs, they likely don't want them in the error exception
as well. This removes duplicate output from the build output allowing the UI level
controls on whether to show logs to work correctly.

(Bitbake rev: fc58ad84a9deb2620ad90611684dad65dafedb11)

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

bitbake/lib/bb/process.py

@@ -181,5 +181,8 @@ def run(cmd, input=None, log=None, extrafiles=None, **options):
             stderr = stderr.decode("utf-8")
 
     if pipe.returncode != 0:
+        if log:
+            # Don't duplicate the output in the exception if logging it
+            raise ExecutionError(cmd, pipe.returncode, None, None)
         raise ExecutionError(cmd, pipe.returncode, stdout, stderr)
     return stdout, stderr