Allow largefiles to be at a different location - Implementation details

[Matt Harbison]

On Mon, 23 May 2016 16:52:43 -0400, Piotr Listkiewicz  
<piotr.listkiewicz at gmail.com> wrote:

> There are several ways to implement getting large files from different
> location and no matter which solution is chosen there is a problem when
> client uses hg that doesn't support new feature to connect to repository
> with this feature enabled. I would like to know which of the following
> solutions you find best or do you have any comments etc:

Unfortunately, I'm not familiar at all with the wire protocol.  It will  
take me a few days to catch up.

[snip]

>
> Any of those ideas have problems with knowing size of largefile, are  
> there
> any reason that proto.getlfile must include size at the beggining of the
> stream - wouldn't it be easier if client just download all data from  
> stream?

That would rely on the other side closing the socket to signal EOF.  I'm  
guessing there's some SSH or HTTP server or proxy that doesn't do that  
reliably?