When format 5 isn't format 5

Robert Collins robertc at robertcollins.net
Fri May 19 01:12:18 BST 2006

On Tue, 2006-05-16 at 10:37 -0400, Aaron Bentley wrote:
> Hash: SHA1
> Hi all,
> In updating changeset code, I've discovered that our inventory format
> has changed, without changing its version number.
> Specifically, new format 5 inventories contain a revision ID, and older
> ones do not.  It looks like this change was introduced by Robert's patch
> to get rid of the trailing revision-id in basis-inventory filenames.  I
> presume that it was intended that only basis inventories would include
> revision-ids, but it's also been applied inventories in the inventory weave.

Actually, thats Johns patch :)>. I just merged it.

> Revision testaments contain the inventory hash, which I believe is just
> the inventory XML SHA1 hash.  This means that fixing existing
> repositories would break signatures.
> Among other things, this strongly suggests that our unit tests should
> include a test to make sure we get a reproduceable testament when we
> commit a revision with fixed values.

I agree.

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