submodule: try harder to fetch needed sha1 by direct fetching sha1

diff --git a/branch.c b/branch.c
index 77d7f2a63ee38b81ffbbf4741cdf1ad205e0c054..7ff3f204964127374ae2a337819ce0bce7be9ab2 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -267,7 +267,7 @@ void create_branch(const char *head,
 
        if ((commit = lookup_commit_reference(sha1)) == NULL)
                die(_("Not a valid branch point: '%s'."), start_name);
-       hashcpy(sha1, commit->object.sha1);
+       hashcpy(sha1, commit->object.oid.hash);
 
        if (forcing)
                snprintf(msg, sizeof msg, "branch: Reset to %s",