add: error appropriately on repository with no commits

diff --git a/builtin/pull.c b/builtin/pull.c
index 74808b94554a78e720128a721f21dc0d20dd839e..701d1473dc59e018247f337d37f00fe04f83cb98 100644 (file)
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -5,6 +5,7 @@
  *
  * Fetch one or more remote refs and merge it/them into the current HEAD.
  */
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
 #include "config.h"
 #include "builtin.h"