[Nix-dev] Tracking upstream releases

[Michael Raskin]

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Ludovic Courtès wrote:
>> Or do we want to add kind of scripting language to extract updates from
>> *any* kind of html page presenting download links?
> 
> IMO (and as discussed at
> http://thread.gmane.org/gmane.linux.distributions.nixos/2421) there
> should be a `meta.watchURL' attribute (or similar) specifying a regexp
> of URLs to be watched.

I have written (for my own needs) some Lisp code for comfortable
extraction of urls (or what not) from a relatively regularly structured
HTML page. It allows to express the condition in terms of page layout
per se, not by regexps which have own problems for complicated parsing.

> A dedicated tool, say `nix-watch-releases', would use this information
> to inform package maintainers of the availability of new upstream
> releases.  However, it'd be up to the package maintainer to actually
> test and commit the updated package, to avoid "automated breakage".

Yes, I also think that commit-or-not should be a human decision. Or - in
any case - not Nix'es decision, it should be external tool anyway. If we
abandon reproducibility, why use Nix?
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