`be diff` raises UsageError if required revision control not possible.
authorW. Trevor King <wking@drexel.edu>
Sat, 5 Dec 2009 06:00:35 +0000 (01:00 -0500)
committerW. Trevor King <wking@drexel.edu>
Sat, 5 Dec 2009 06:00:35 +0000 (01:00 -0500)
commit1bbf068f28a6c05da563bc1224a4456f635227a4
tree08cd3d9d0e7504e24c4abfa4b348cb76e775e8e6
parent282d5cf934eec5c0ae02a01c345c38d0ad7c9fa7
`be diff` raises UsageError if required revision control not possible.

It had previously printed an message and exitted without error.
becommands/diff.py