blame: default to HEAD in a bare repo when no start commit is given

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 0e140f176ce3b559478a5bc4245bf36905c543cf..b80fc4ba3d88b56436fa3f6b9a132bfe9e82b79b 100644 (file)
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1,3 +1,4 @@
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
 #include "builtin.h"
 #include "repository.h"
 #include "cache.h"