"Junio C Hamano <mailto:jch2355@xxxxxxxxx> writes: "Gumbel, Matthew K" <matthew.k.gumbel@xxxxxxxxx> writes: >> Yes, I think that when the user passes --only flag to git-commit, then git does not >> need to call refresh_cache() in prepare_index() in builtin/commit.c. >> >> I may experiment with that. Do you see any downside or negative side-effects? > There may be other fallouts, but one that immediately comes to mind > is that it may break pre-commit hook. If pre-commit hook exists, we can fall-back to original behavior and call refresh_cache(). Many repos will not have pre-commit hook and can benefit from the speedup. I'm testing such a change locally. Git test suite seems to be running for quite a while. Do you know any way to run it in parallel or otherwise speed it up? Thanks, Matt