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-rw-r--r--revision.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/revision.c b/revision.c
index 6399a0412c..7ddbaa083e 100644
--- a/revision.c
+++ b/revision.c
@@ -345,14 +345,24 @@ static struct commit *handle_commit(struct rev_info *revs,
die("%s is unknown object", name);
}
-static int everybody_uninteresting(struct commit_list *orig)
+static int everybody_uninteresting(struct commit_list *orig,
+ struct commit **interesting_cache)
{
struct commit_list *list = orig;
+
+ if (*interesting_cache) {
+ struct commit *commit = *interesting_cache;
+ if (!(commit->object.flags & UNINTERESTING))
+ return 0;
+ }
+
while (list) {
struct commit *commit = list->item;
list = list->next;
if (commit->object.flags & UNINTERESTING)
continue;
+ if (interesting_cache)
+ *interesting_cache = commit;
return 0;
}
return 1;
@@ -940,7 +950,8 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
/* How many extra uninteresting commits we want to see.. */
#define SLOP 5
-static int still_interesting(struct commit_list *src, unsigned long date, int slop)
+static int still_interesting(struct commit_list *src, unsigned long date, int slop,
+ struct commit **interesting_cache)
{
/*
* No source list at all? We're definitely done..
@@ -959,7 +970,7 @@ static int still_interesting(struct commit_list *src, unsigned long date, int sl
* Does the source list still have interesting commits in
* it? Definitely not done..
*/
- if (!everybody_uninteresting(src))
+ if (!everybody_uninteresting(src, interesting_cache))
return SLOP;
/* Ok, we're closing in.. */
@@ -1078,6 +1089,7 @@ static int limit_list(struct rev_info *revs)
struct commit_list *newlist = NULL;
struct commit_list **p = &newlist;
struct commit_list *bottom = NULL;
+ struct commit *interesting_cache = NULL;
if (revs->ancestry_path) {
bottom = collect_bottom_commits(list);
@@ -1094,6 +1106,9 @@ static int limit_list(struct rev_info *revs)
list = list->next;
free(entry);
+ if (commit == interesting_cache)
+ interesting_cache = NULL;
+
if (revs->max_age != -1 && (commit->date < revs->max_age))
obj->flags |= UNINTERESTING;
if (add_parents_to_list(revs, commit, &list, NULL) < 0)
@@ -1102,7 +1117,7 @@ static int limit_list(struct rev_info *revs)
mark_parents_uninteresting(commit);
if (revs->show_all)
p = &commit_list_insert(commit, p)->next;
- slop = still_interesting(list, date, slop);
+ slop = still_interesting(list, date, slop, &interesting_cache);
if (slop)
continue;
/* If showing all, add the whole pending list to the end */