[bug#51441] [PATCH] substitutes: keep base's uri-path for Properly construct URL.

[Z572 via Guix-patches via <guix-patches@gnu.org>]

Peng Mei Yu <pengmeiyu@riseup.net> writes:

> Hi,
>
> Z572 via Guix-patches via writes:
>
>> @@ -158,7 +159,8 @@ (define (narinfo-request cache-url path)
>>    "Return an HTTP request for the narinfo of PATH at CACHE-URL."
>>    (let* ((base (string->uri cache-url))
>>           (ref (build-relative-ref
>> -               #:path (string-append (store-path-hash-part path) ".narinfo")))
>> +               #:path (string-append (uri-path base) "/"
>> +                                     (store-path-hash-part path) ".narinfo")))
>>           (url (resolve-uri-reference ref base))
>>           (headers '((User-Agent . "GNU Guile"))))
>>      (build-request url #:method 'GET #:headers headers)))
>> --
>
> It seems that the root cause for the problem is that cache-url lacks a
> trailing slash.  Therefore the last path component is stripped from
> `base` when we compute (resolve-uri-reference ref base).  So I think
> ensuring cache-url ends with a slash ("/") is a better approach.

Yes, you are right.

-- 
over