Function submodule_has_commits

submodule.c:992–1034

}

static int submodule_has_commits(struct repository *r,
				 const char *path,
				 const struct object_id *super_oid,
				 struct oid_array *commits)
{
	struct has_commit_data has_commit = {
		.repo = r,
		.result = 1,
		.path = path,
		.super_oid = super_oid
	};

	if (validate_submodule_path(path) < 0)
		exit(128);

	oid_array_for_each_unique(commits, check_has_commit, &has_commit);

	if (has_commit.result) {
		/*
		 * Even if the submodule is checked out and the commit is
		 * present, make sure it exists in the submodule's object store
		 * and that it is reachable from a ref.
		 */
		struct child_process cp = CHILD_PROCESS_INIT;
		struct strbuf out = STRBUF_INIT;

		strvec_pushl(&cp.args, "rev-list", "-n", "1", NULL);
		oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args);
		strvec_pushl(&cp.args, "--not", "--all", NULL);

		prepare_submodule_repo_env(&cp.env);
		cp.git_cmd = 1;
		cp.no_stdin = 1;
		cp.dir = path;

		if (capture_command(&cp, &out, GIT_MAX_HEXSZ + 1) || out.len)
			has_commit.result = 0;

		strbuf_release(&out);
	}

	return has_commit.result;
}

static int submodule_needs_pushing(struct repository *r,
				   const char *path,