tree 86fd9602e9003a264c4e6f2f55dfbb8ddd531c1a
parent 3bb73578242e951530c3ab7589a6b07c82f50b26
author Shawn Pearce <sop@google.com> 1440801042 -0700
committer Shawn Pearce <sop@google.com> 1440801042 -0700

Use HostIndex to display subtrees of repositories

If a repository does not exist try to list the repositories that
use that prefix, or 404 if the GitilesAccess instance returns no
matches. This allows listing a subtree of repositories without
needing to build up the entire HostIndex result set.

Change-Id: Ie3e046101919b6bedcc26198e455dface881315b