[PATCH 07/19] commit: add repository argument to lookup_commit_graft

From: Jonathan Nieder Add a repository argument to allow callers of lookup_commit_graft to be more specific about which repository to handle. This is a small mechanical change; it doesn't change the implementation to handle repositories other than the_repository yet. As with the previous commits

[PATCH 07/19] commit: add repository argument to lookup_commit_graft

From: Jonathan Nieder Add a repository argument to allow callers of lookup_commit_graft to be more specific about which repository to handle. This is a small mechanical change; it doesn't change the implementation to handle repositories other than the_repository yet. As with the previous commits