> int > +repo_read_index(struct repo *repo, const char *index_file) ... > + > +int > repo_init(struct repo *repo, const char *gitdir, const char *worktree) The version 2.13.0.303.g4ebf302169-goog doesn't have diff slider heuristics on by default, and you also did not enable it? (I am curious if the heuristics would have helped here)