Binary file storage similar to Kiln

[John Arbash Meinel]

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On 7/22/2011 8:11 PM, Anteru wrote:
> Hi,
> 
> Kiln is an extension to Mercurial which stores binary files on a server
> centrally, so clients can save a lot of storage space when binaries are
> used. Basically, certain files in the repository are marked as "large"
> and only the hashes are stored on the clients. When the file is
> required, it is transferred in full from the server. Server side, it
> seems to store the full data of each file for each revision.
> 
> Is something like this planned for Bazaar? How invasive would such a
> change be? Can this be done with a plugin?
> 
> (Naively, I would assume that all is needed is some way to mark files as
> large and do a pre-commit/post-checkout fixup client side and somehow
> abuse the transport layer. In particular, the repository could just
> store an UUID instead of the actual file contents and when checking out,
> the client would contact the server to retrieve the actual contents if
> an large file is encountered.)
> 
> Cheers,
>   Anteru
> 
> 

You could write a content filter that would have the 'canonical' form be
the hash of the file, and the 'convenient' form be the expanded content.

I don't know how specifically efficient, etc it would be, but you could
do it.

John
=:->
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