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-rw-r--r--revision.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/revision.c b/revision.c
index b5108b75ab..e7da2c57ab 100644
--- a/revision.c
+++ b/revision.c
@@ -212,7 +212,20 @@ static struct object *get_reference(struct rev_info *revs, const char *name,
{
struct object *object;
- object = parse_object(revs->repo, oid);
+ /*
+ * If the repository has commit graphs, repo_parse_commit() avoids
+ * reading the object buffer, so use it whenever possible.
+ */
+ if (oid_object_info(revs->repo, oid, NULL) == OBJ_COMMIT) {
+ struct commit *c = lookup_commit(revs->repo, oid);
+ if (!repo_parse_commit(revs->repo, c))
+ object = (struct object *) c;
+ else
+ object = NULL;
+ } else {
+ object = parse_object(revs->repo, oid);
+ }
+
if (!object) {
if (revs->ignore_missing)
return object;