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-rw-r--r--revision.c48
1 files changed, 44 insertions, 4 deletions
diff --git a/revision.c b/revision.c
index d7678cf..745b0d2 100644
--- a/revision.c
+++ b/revision.c
@@ -419,6 +419,27 @@ static void limit_list(struct rev_info *revs)
continue;
p = &commit_list_insert(commit, p)->next;
}
+ if (revs->boundary) {
+ list = newlist;
+ while (list) {
+ struct commit *commit = list->item;
+ struct object *obj = &commit->object;
+ struct commit_list *parent = commit->parents;
+ if (obj->flags & (UNINTERESTING|BOUNDARY)) {
+ list = list->next;
+ continue;
+ }
+ while (parent) {
+ struct commit *pcommit = parent->item;
+ parent = parent->next;
+ if (!(pcommit->object.flags & UNINTERESTING))
+ continue;
+ pcommit->object.flags |= BOUNDARY;
+ p = &commit_list_insert(pcommit, p)->next;
+ }
+ list = list->next;
+ }
+ }
revs->commits = newlist;
}
@@ -591,6 +612,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
revs->no_merges = 1;
continue;
}
+ if (!strcmp(arg, "--boundary")) {
+ revs->boundary = 1;
+ continue;
+ }
if (!strcmp(arg, "--objects")) {
revs->tag_objects = 1;
revs->tree_objects = 1;
@@ -731,13 +756,17 @@ struct commit *get_revision(struct rev_info *revs)
do {
struct commit *commit = revs->commits->item;
- if (commit->object.flags & (UNINTERESTING|SHOWN))
+ if (commit->object.flags & SHOWN)
+ goto next;
+ if (!(commit->object.flags & BOUNDARY) &&
+ (commit->object.flags & UNINTERESTING))
goto next;
if (revs->min_age != -1 && (commit->date > revs->min_age))
goto next;
if (revs->max_age != -1 && (commit->date < revs->max_age))
return NULL;
- if (revs->no_merges && commit->parents && commit->parents->next)
+ if (revs->no_merges &&
+ commit->parents && commit->parents->next)
goto next;
if (revs->prune_fn && revs->dense) {
if (!(commit->object.flags & TREECHANGE))
@@ -745,8 +774,19 @@ struct commit *get_revision(struct rev_info *revs)
rewrite_parents(commit);
}
/* More to go? */
- if (revs->max_count)
- pop_most_recent_commit(&revs->commits, SEEN);
+ if (revs->max_count) {
+ if (commit->object.flags & BOUNDARY) {
+ /* this is already uninteresting,
+ * so there is no point popping its
+ * parents into the list.
+ */
+ struct commit_list *it = revs->commits;
+ revs->commits = it->next;
+ free(it);
+ }
+ else
+ pop_most_recent_commit(&revs->commits, SEEN);
+ }
commit->object.flags |= SHOWN;
return commit;
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