repack: die on incremental + write-bitmap-index

diff --git a/submodule.c b/submodule.c
index f2ba4a2dc2a4894d76006d4ef8ba5a9bd64f153d..9d8d91c207e7a2c09bdf997ba05c67b1262d8091 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -1159,4 +1159,5 @@ void prepare_submodule_repo_env(struct argv_array *out)
                if (strcmp(*var, CONFIG_DATA_ENVIRONMENT))
                        argv_array_push(out, *var);
        }
+       argv_array_push(out, "GIT_DIR=.git");
 }