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-rw-r--r--revision.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/revision.c b/revision.c
index adc381c..f23c1d5 100644
--- a/revision.c
+++ b/revision.c
@@ -360,6 +360,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
{
struct commit_list *parent = commit->parents;
unsigned left_flag;
+ int add, rest;
if (commit->object.flags & ADDED)
return;
@@ -405,18 +406,19 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
return;
left_flag = (commit->object.flags & SYMMETRIC_LEFT);
- parent = commit->parents;
- while (parent) {
+
+ rest = !revs->first_parent_only;
+ for (parent = commit->parents, add = 1; parent; add = rest) {
struct commit *p = parent->item;
parent = parent->next;
-
parse_commit(p);
p->object.flags |= left_flag;
if (p->object.flags & SEEN)
continue;
p->object.flags |= SEEN;
- insert_by_date(p, list);
+ if (add)
+ insert_by_date(p, list);
}
}
@@ -847,6 +849,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
handle_all(revs, flags);
continue;
}
+ if (!strcmp(arg, "--first-parent")) {
+ revs->first_parent_only = 1;
+ continue;
+ }
if (!strcmp(arg, "--reflog")) {
handle_reflog(revs, flags);
continue;