static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
-static int option_shallow_submodules = -1;
+static int option_shallow_submodules;
static char *option_template, *option_depth;
static char *option_origin = NULL;
static char *option_branch = NULL;
static int option_verbosity;
static int option_progress = -1;
static enum transport_family family;
-static struct string_list option_config;
-static struct string_list option_reference;
+static struct string_list option_config = STRING_LIST_INIT_NODUP;
+static struct string_list option_reference = STRING_LIST_INIT_NODUP;
static int option_dissociate;
static int max_jobs = -1;
struct argv_array args = ARGV_ARRAY_INIT;
argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
- if (option_shallow_submodules == 1
- || (option_shallow_submodules == -1 && option_depth))
+ if (option_shallow_submodules == 1)
argv_array_push(&args, "--depth=1");
if (max_jobs != -1)