Merge branch 'en/merge-ort-almost-wo-the-repository'

Mark the marge-ort codebase to prevent more uses of the_repository from getting added. * en/merge-ort-almost-wo-the-repository: replay: prevent the_repository from coming back merge-ort: prevent the_repository from coming back merge-ort: replace the_hash_algo with opt->repo->hash_algo merge-ort: replace the_repository with opt->repo merge-ort: pass repository to write_tree() merge,diff: remove the_repository check before prefetching blobs