The "branches" argument to the mock Git object is not very useful and makes the code more difficult to work with. We should just remove the option.
<rdar://problem/72434657>
Created attachment 416445 [details] Patch
Committed r270941: <https://trac.webkit.org/changeset/270941> All reviewed patches have been landed. Closing bug and clearing flags on attachment 416445 [details].