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From Greg Stein <>
Subject Re: svncutter can be removed
Date Wed, 03 Feb 2016 04:57:46 GMT
Excellent. Thanks for the detailed information. It sounds like you've
filled in lots of edge details.

On Tue, Feb 2, 2016 at 9:43 PM, Eric S. Raymond <> wrote:

> Greg Stein <>:
> > Gotcha. How is that different from "svndumpfilter include" ?
> >
> > Or maybe the latter was created after you started svncutter?
> I think it was; svncutter dates back to 2009, possibly earlier.
> Another function it has is test load reduction.  There's a 'strip' command
> that replaces all content blobs with small unique cookies, leaving all
> node structure and metadata intact.
> This is very handy when some metadata malformation triggers a bug and
> the person reporting wants to send me a smallest-possible repo that will
> reproduce it.
> Usually the test load can be made still smaller with a 'reduce' operation.
> This, essentially, drops all nodes corresponding to plain file changes
> that are not adjacent to something interesting, like a copyfrom or
> directory
> creatio or property change. So, the branch topology is preserved.
> Always, so far, if a full repository triggers a bug, the stripped and
> reduced version does too. And is much easier to pass around and look at.
> --
>                 <a href="">Eric S. Raymond</a>

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