Status of adding "overlay repositories" to standard Mercurial?

[Thomas Arendsen Hein]

* Larry Hastings <larry at hastings.org> [20070226 01:52]:
> Brendan Cully wrote a very interesting patch for Mercurial, adding "overlay repositories":
>    http://hg.kublai.com/mercurial/patches/overlay
> 
> I think it's a swell idea, and it might help sell hg at a site I know of.  They were concerned about how much 
> disk space N branches x N developers would take up on their network share--after all, what shared network 
> filesystem is not perpetually almost-full?  "Overlay repositories" would greatly ease this concern.

Have you checked if hardlinks are available for them? If it is, most
of the history is not duplicated on disk. Works over NFS, but not
with AFS. I'm not sure about whether this works on SMB/CIFS.

> Any chance this is going in to an official Mercurial release?

I think it will be.

Thomas

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