bug#26191: Allow custom FTP logins.

[Ludovic Courtès]

Hi Roel,

Roel Janssen <address@hidden> skribis:

> Ludovic Courtès writes:
>
>> Roel Janssen <address@hidden> skribis:
>>
>>> From 8536ba69ec3a04930e8a78c8f2b824df3e8c0454 Mon Sep 17 00:00:00 2001
>>> From: Roel Janssen <address@hidden>
>>> Date: Mon, 20 Mar 2017 12:57:25 +0100
>>> Subject: [PATCH 1/2] ftp-client: Allow custom username and password for FTP
>>>  servers.
>>>
>>> * guix/ftp-client.scm (ftp-open): Add username and password arguments.
>>
>> OK!
>>
>>> From e7263ce1d1a242f187c9801b14ea47043f59be8e Mon Sep 17 00:00:00 2001
>>> From: Roel Janssen <address@hidden>
>>> Date: Mon, 20 Mar 2017 12:59:59 +0100
>>> Subject: [PATCH 2/2] download: Handle username and password properties for 
>>> FTP
>>>  uris.
>>>
>>> guix/build/download.scm (ftp-fetch): Process username and password from a 
>>> URI.
>>
>> [...]
>>
>>> +  (let* ((userinfo (string-split (uri-userinfo uri) #\:))
>>> +         (username (if (and (> (length userinfo) 0)
>>> +                            (not (string= (car userinfo) "")))
>>> +                       (car userinfo) #f))
>>> +         (password (if (> (length userinfo) 1) (cadr userinfo) #f))
>>> +         (conn (ftp-open (uri-host uri) #:timeout timeout
>>> +                                        #:username username
>>> +                                        #:password password))
>>
>> Of course I have to agree with Danny here regarding ‘match’.  ;-)
>>
>>   (let ((user (match userinfo
>>                 (() #f)
>>                 (("") #f)
>>                 (((? string? user)) user)))
>>         (pass (match userinfo
>>                  …)))
>>     …)
>>
>> OK with a change along these lines.
>
> I am unsure about this patch (see attached).  Is this what you had in mind?
> I would probably have to add a copyright line as well, right?

Yes, LGTM!

Thanks,
Ludo’.