tree cbd1733f818da4a40eb35d0b3c58b8ff68560056
parent 257546a08eb47ae7906655403e12e93d3fc6a9fe
author Jonathan Nieder <jrn@google.com> 1397674322 -0700
committer Jonathan Nieder <jrn@google.com> 1397674322 -0700

Allow ArchiveCommand.registerFormat to be called twice

This should make it possible for the gitiles plugin to register its
archive formats after gerrit has already registered them.

Signed-off-by: Jonathan Nieder <jrn@google.com>
Change-Id: Icb80a446e583961a7278b707d572d6fe456c372c