commit: add tests of commit races

diff --git a/builtin/commit.c b/builtin/commit.c
index 7f467133b88c10e2440c878a0218bee981b3acd7..8afb0ff5e044719b1d2266231d1d2881e4d93f21 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1767,7 +1767,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
            ref_transaction_update(transaction, "HEAD", sha1,
                                   current_head
                                   ? current_head->object.sha1 : NULL,
-                                  0, !!current_head, sb.buf, &err) ||
+                                  0, sb.buf, &err) ||
            ref_transaction_commit(transaction, &err)) {
                rollback_index_files();
                die("%s", err.buf);