builtin/submodule--helper: factor out submodule updating

diff --git a/environment.c b/environment.c
index 013e845235ea88e977c3181258b3e77e6ecb4c2f..6cf00793894f75230e5d66d39d56fe2e5388c8a6 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -66,7 +66,6 @@ enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED;
 enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
 char *notes_ref_name;
 int grafts_replace_parents = 1;
-int core_commit_graph;
 int core_apply_sparse_checkout;
 int merge_log_config = -1;
 int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */