worktree: convert struct worktree to object_id

diff --git a/builtin/commit.c b/builtin/commit.c
index d75b3805ea7fe3475564f337bf660d8155909445..f9c9676a3faa163c2c7e4d8b0f5a165db05b2b3a 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1788,9 +1788,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
        transaction = ref_transaction_begin(&err);
        if (!transaction ||
-           ref_transaction_update(transaction, "HEAD", oid.hash,
+           ref_transaction_update(transaction, "HEAD", &oid,
                                   current_head
-                                  ? current_head->object.oid.hash : null_sha1,
+                                  ? &current_head->object.oid : &null_oid,
                                   0, sb.buf, &err) ||
            ref_transaction_commit(transaction, &err)) {
                rollback_index_files();