Subject: Re: bug#49033: 28.0.50; [PATCH] Feature suggestion, url-cache-expiry-alist to override expire time for cache pruning

From: Lars Ingebrigtsen <[email-masked]>
Date: Sat, 19 Jun 2021 14:14:47 +0200

Alex Bochannek <[email-masked]> writes:

> I tend to find it difficult to reason about functionality if constants
> like this are in the code and not in variables. It may be unlikely that
> many people will want to customize it, but I'd rather expose this as a
> configuration variable than hide a static value in the code.

Adding user options to control things nobody has asked about isn't
helpful.

> Support URL-specific cache expiration
>
> 	* test/lisp/url/url-cache-tests.el: Test URL-to-filename and
> 	filename-to-URL mappings used by URL caching.
>
> 	* lisp/url/url-cache.el (url-cache-expiry-alist)
> 	(url-cache-create-url-from-file, url-cache-expired)
> 	(url-cache-prune-cache): Expire cache entries based on regular
> 	expressions matching URLs defined in new customizable variable
> 	url-cache-expire-alist.
>
> 	* doc/misc/url.texi (Disk Caching): Mention
> 	url-cache-expiry-alist variable.

Looks good to me.  What's the use case for this, though?

-- 
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   bloggy blog: http://lars.ingebrigtsen.no