Function submodule_name_to_gitdir

submodule.c:2736–2772

}

void submodule_name_to_gitdir(struct strbuf *buf, struct repository *r,
			      const char *submodule_name)
{
	if (!r->repository_format_submodule_path_cfg) {
		/*
		 * If extensions.submodulePathConfig is disabled,
		 * continue to use the plain path.
		 */
		repo_git_path_append(r, buf, "modules/%s", submodule_name);
	} else {
		const char *gitdir;
		char *key;
		int ret;

		/* Otherwise the extension is enabled, so use the gitdir config. */
		key = xstrfmt("submodule.%s.gitdir", submodule_name);
		ret = repo_config_get_string_tmp(r, key, &gitdir);
		FREE_AND_NULL(key);

		if (ret)
			die(_("the 'submodule.%s.gitdir' config does not exist for module '%s'. "
			      "Please ensure it is set, for example by running something like: "
			      "'git config submodule.%s.gitdir .git/modules/%s'. For details "
			      "see the extensions.submodulePathConfig documentation."),
			    submodule_name, submodule_name, submodule_name, submodule_name);

		strbuf_addstr(buf, gitdir);
	}

	/* validate because users might have modified the config */
	if (validate_submodule_git_dir(buf->buf, submodule_name)) {
		advise(_("enabling extensions.submodulePathConfig might fix the "
			 "following error, if it's not already enabled."));
		die(_("refusing to create/use '%s' in another submodule's "
		      " git dir."), buf->buf);
	}
}