Function repo_init

repository.c:277–311

* Initialize 'repo' based on the provided 'gitdir'. * Return 0 upon success and a non-zero value upon failure. */

 * Return 0 upon success and a non-zero value upon failure.
 */
int repo_init(struct repository *repo,
	      const char *gitdir,
	      const char *worktree)
{
	struct repository_format format = REPOSITORY_FORMAT_INIT;
	struct strbuf err = STRBUF_INIT;

	memset(repo, 0, sizeof(*repo));

	initialize_repository(repo);

	if (repo_init_gitdir(repo, gitdir))
		goto error;

	if (read_repository_format_from_commondir(&format, repo->commondir))
		goto error;

	if (apply_repository_format(repo, &format, 0, &err) < 0) {
		warning("%s", err.buf);
		goto error;
	}

	if (worktree)
		repo_set_worktree(repo, worktree);

	clear_repository_format(&format);
	strbuf_release(&err);
	return 0;

error:
	clear_repository_format(&format);
	strbuf_release(&err);
	repo_clear(repo);
	return -1;
}

int repo_submodule_init(struct repository *subrepo,
			struct repository *superproject,