Re: [Gnu-arch-users] back-building pfs updates

[Florian Weimer]

Aaron Bentley wrote:

> > HTTP HEAD should provide the necessary information, once you have the
> > file name.
> 
> Content-Length?

Yes.

> 1. Not the same as file size-- it's the size after encodings have been
> performed

If a transfer encoding is applied, no Content-Length: header must be
sent.

You don't want to perform any encoding for plain files anyway.  It just
kills server performance.

> 2. Not required

Indeed.

> 3. It appears that for a HEAD request, the content-length is 0.  Can
> anyone confirm or deny?

This looks like a server bug (it's a violation of a SHOULD in the RFC).