1 files changed, 13 insertions, 0 deletions
diff --git a/oidset.c b/oidset.c
index f63ce818f6..5aac633c1f 100644
--- a/oidset.c
+++ b/oidset.c
@@ -36,8 +36,19 @@ void oidset_clear(struct oidset *set)
 	oidset_init(set, 0);
 }
 
+int oidset_size(struct oidset *set)
+{
+	return kh_size(&set->set);
+}
+
 void oidset_parse_file(struct oidset *set, const char *path)
 {
+	oidset_parse_file_carefully(set, path, NULL, NULL);
+}
+
+void oidset_parse_file_carefully(struct oidset *set, const char *path,
+				 oidset_parse_tweak_fn fn, void *cbdata)
+{
 	FILE *fp;
 	struct strbuf sb = STRBUF_INIT;
 	struct object_id oid;
@@ -63,6 +74,8 @@ void oidset_parse_file(struct oidset *set, const char *path)
 
 		if (parse_oid_hex(sb.buf, &oid, &p) || *p != '\0')
 			die("invalid object name: %s", sb.buf);
+		if (fn && fn(&oid, cbdata))
+			continue;
 		oidset_insert(set, &oid);
 	}
 	if (ferror(fp))