Re: [PATCH/RFC] gitweb: allow configurations that change with each request

[Jonathan Nieder <jrnieder@gmail.com>]

Jakub Narebski wrote:

> One solution I can think of (still backwards incompatibile) would be to
> provide $per_request_config variable, which would hold anonymous sub
> with parts of config that need to be done per request (this should work
> with global variables (our), but I think it wouldn't work with lexical
> variables (my)).  For example gitolite's contrib/gitweb/gitweb.conf would
> then include:
> 
>   $per_request_config = sub {
>   	$ENV{GL_USER} = $cgi->remote_user || "gitweb";
>   }

How would that interact with caching?  i.e., how would whatever caching
engine is used learn that $cgi->remote_user is part of the key needed to
uniquely determine a response?