tree b9aae8c566c71e548f655e86034fba4a441198b0
parent 7e0fa44b8e5598b37e0cb96d8c0f5d88fca7a049
author Shawn Pearce <sop@google.com> 1382028019 -0700
committer Shawn Pearce <sop@google.com> 1382029290 -0700

Simplify logic in RepoCommand

Instead of negative testing before return null, check for when the
command should be enabled and format the string only in this case.

Change-Id: I9fcbf902d62cc76965707a005f0572a8bf75e28f