Currently all given commits are added to the topo_queue during init_topo_walk(). Later on in get_revision_1() the uninteresting ones are skipped because simplify_commit() tells it to. Let's not add them to the topo_queue in the first place. Signed-off-by: Øystein Walle <oystwa@xxxxxxxxx> --- I noticed this while trying to understand the generation based algorithm introduced in b45424181e (revision.c: generation-based topo-order algorithm, 2018-11-01) in an attempt to write a similar one for gitoxide. Comparing my solution to git's output I fixed a mismatch by essentially doing this, and it turns out it works in git too. I am not extremely confident, but all the tests pass... For fun I also tried removing the UNINTERESTING check from get_commit_action() altogether but then a lot of tests fail. I expected that because both the flag and function predate the new algorithm. revision.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/revision.c b/revision.c index 2f4c53ea20..deeab813c7 100644 --- a/revision.c +++ b/revision.c @@ -3681,7 +3681,8 @@ static void init_topo_walk(struct rev_info *revs) for (list = revs->commits; list; list = list->next) { struct commit *c = list->item; - if (*(indegree_slab_at(&info->indegree, c)) == 1) + if (*(indegree_slab_at(&info->indegree, c)) == 1 && + !(c->object.flags & UNINTERESTING)) prio_queue_put(&info->topo_queue, c); } -- 2.34.1