[[!comment format=mdwn
 username="bremner"
 ip="198.164.160.48"
 subject="access metadata by key?"
 date="2014-03-17T01:26:44Z"
 content="""
I'm hacking around with using metadata from an external special remote. Those work with keys, not files, so one option would be to add a GETMETADATA to the protocol. It also seems like it would not be too hard to add
an option  to \"git annex metadata\" to take a key rather than a file.
"""]]