Re: The Nixpkgs Monitor

[Ludovic Courtès]

Andreas Enge <address@hidden> skribis:

> On Sat, Jan 18, 2014 at 04:35:14PM +0100, Ludovic Courtès wrote:
>> And what do we do for URIs in http:// or mirror://?
>
> What is the particular problem? For ffmpeg, for instance, the uri reads
>       (uri (string-append "http://www.ffmpeg.org/releases/ffmpeg-";
>                            version ".tar.bz2"))
> which gets expanded into 
> "http://www.ffmpeg.org/releases/ffmpeg-2.1.1.tar.bz2";.
>
> One could try the following:
> - Remove potentially trailing ".bz2" (to remove digits).
> - Look for a regular expression "([:digits:].)*["digits:]".
>   If there is only one, this is likely to be the version; try "++" everywhere
>   (in a way that would give "2.1.2", "2.2.0", "3.0.0" in our case, and maybe
>   the same ones without the trailing ".0"); replace them in the string and
>   check whether they exist.

Well indeed, that sounds like a workable plan.  We should try it.

Thanks,
Ludo’.