Re: [PATCH v4 08/10] dir: simplify untracked cache "ident" field

> -static int ident_in_untracked(const struct untracked_cache *uc)
> +static int ident_current_location_in_untracked(const struct untracked_cache *uc)
>  {
> -	const char *end = uc->ident.buf + uc->ident.len;
> -	const char *p   = uc->ident.buf;
> +	struct strbuf cur_loc = STRBUF_INIT;
> +	int res = 0;
>  
> -	for (p = uc->ident.buf; p < end; p += strlen(p) + 1)
> -		if (!strcmp(p, get_ident_string()))
> -			return 1;
> -	return 0;
> +	/*
> +	 * Previous git versions may have saved many strings in the
> +	 * "ident" field, but it is insane to manage many locations,
> +	 * so just take care of the first one.
> +	 */
> +
> +	strbuf_addf(&cur_loc, "Location %s, system ", get_git_work_tree());
> +
> +	if (starts_with(uc->ident.buf, cur_loc.buf))
> +		res = 1;
> +
> +	strbuf_release(&cur_loc);
> +
> +	return res;
>  }