[MERGE] Shelf 1 / 5: TreeTransform serialization

[Robert Collins]

On Thu, 2008-10-16 at 19:43 -0400, Aaron Bentley wrote:
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> Hi all,
> 
> This patch implements TreeTransform serialization so that we can
> reconstruct a preview tree for unshelving purposes.
> 
> A serialized TreeTransform is similar to a changeset, which is a staple
> of other VCSes.  However, a serialized TreeTransform can refer to
> unversioned, as well as versioned files.  This could for the basis of an
> undo command in the future.
> 
> Serialization uses single-parent mpdiffs for delta compression, packs
> for record separation, bencode for metadata storage.  It's all
> suspiciously like bundle format 4.

Just a design question: where do these get stored (could/should they go
in a repository?)

-Rob
-- 
GPG key available at: <http://www.robertcollins.net/keys.txt>.
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