ansible/ansible — pull request #603 by davehatton (2012-07-17 08:22:20+00:00)
Title: meaningful messages if the remote md5 fails

For fetch

1. _remote_md5 now returns different code depending on if the target file exists or is unreadable
2. The error codes are captured and reported
3. _remote_md5 is set sudoable=False since sftp does offer sudo