preload-index: add override to enable testing preload-index

diff --git a/archive.c b/archive.c
index 2ad7e6cb9071e42faa59da18aeacc9bcc7549da5..1ab8d3a1d7cc9c3e55465fbadf899e8a267de689 100644 (file)
--- a/archive.c
+++ b/archive.c
@@ -391,7 +391,7 @@ static void parse_treeish_arg(const char **argv,
                free(ref);
        }
 
-       if (get_sha1(name, oid.hash))
+       if (get_oid(name, &oid))
                die("Not a valid object name");
 
        commit = lookup_commit_reference_gently(&oid, 1);