tree ff39fed8da93d1d91a5c1fb72a9ab46e2abfc404
parent 6219cfda24a112100bac6316b6ad5e5ca1b717c8
author Eric Boren <borenet@google.com> 1566431985 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1566475381 +0000

[gitstore] Expect valid Index and Branches in Put()

This relieves us of the need to load all existing commits in Put(), and
we no longer need to care about ancestry chains in PutBranches; we just
retrieve the commits pointed to by the new branch heads and use their
indexes.

Change-Id: I203781416f4bcaf73d3077558f89464b9df6b198
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/234913
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>