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Merge branch 'jk/still-interesting' into maint
"git rev-list --objects $old --not --all" to see if everything that is reachable from $old is already connected to the existing refs was very inefficient. * jk/still-interesting: limit_list: avoid quadratic behavior from still_interesting
This commit is contained in:
commit
df08eb357d
23
revision.c
23
revision.c
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@ -345,14 +345,24 @@ static struct commit *handle_commit(struct rev_info *revs,
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die("%s is unknown object", name);
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}
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static int everybody_uninteresting(struct commit_list *orig)
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static int everybody_uninteresting(struct commit_list *orig,
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struct commit **interesting_cache)
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{
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struct commit_list *list = orig;
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if (*interesting_cache) {
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struct commit *commit = *interesting_cache;
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if (!(commit->object.flags & UNINTERESTING))
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return 0;
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}
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while (list) {
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struct commit *commit = list->item;
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list = list->next;
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if (commit->object.flags & UNINTERESTING)
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continue;
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if (interesting_cache)
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*interesting_cache = commit;
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return 0;
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}
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return 1;
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@ -940,7 +950,8 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
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/* How many extra uninteresting commits we want to see.. */
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#define SLOP 5
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static int still_interesting(struct commit_list *src, unsigned long date, int slop)
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static int still_interesting(struct commit_list *src, unsigned long date, int slop,
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struct commit **interesting_cache)
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{
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/*
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* No source list at all? We're definitely done..
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@ -959,7 +970,7 @@ static int still_interesting(struct commit_list *src, unsigned long date, int sl
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* Does the source list still have interesting commits in
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* it? Definitely not done..
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*/
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if (!everybody_uninteresting(src))
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if (!everybody_uninteresting(src, interesting_cache))
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return SLOP;
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/* Ok, we're closing in.. */
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@ -1078,6 +1089,7 @@ static int limit_list(struct rev_info *revs)
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struct commit_list *newlist = NULL;
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struct commit_list **p = &newlist;
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struct commit_list *bottom = NULL;
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struct commit *interesting_cache = NULL;
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if (revs->ancestry_path) {
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bottom = collect_bottom_commits(list);
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@ -1094,6 +1106,9 @@ static int limit_list(struct rev_info *revs)
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list = list->next;
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free(entry);
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if (commit == interesting_cache)
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interesting_cache = NULL;
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if (revs->max_age != -1 && (commit->date < revs->max_age))
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obj->flags |= UNINTERESTING;
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if (add_parents_to_list(revs, commit, &list, NULL) < 0)
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@ -1102,7 +1117,7 @@ static int limit_list(struct rev_info *revs)
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mark_parents_uninteresting(commit);
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if (revs->show_all)
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p = &commit_list_insert(commit, p)->next;
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slop = still_interesting(list, date, slop);
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slop = still_interesting(list, date, slop, &interesting_cache);
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if (slop)
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continue;
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/* If showing all, add the whole pending list to the end */
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