git-codereview: do not insert branch prefix in fixup! and squash! commits

Change-Id: I0fc5df1e23cf18a78aa0339ac16901214d7924e4
Reviewed-on: https://go-review.googlesource.com/5552
Reviewed-by: Andrew Gerrand <adg@golang.org>
2 files changed
tree: 25763576d7ac57eba29ba08da3eab69f998827d1
  1. .gitattributes
  2. CONTRIBUTING.md
  3. README
  4. git-codereview/