Avoid 00changelog.i corruption

[Ingo Proetel]

Mads Kiilerich wrote:
> 
> But ... if Mercurial can't trust the operating system then who can it
> trust? I don't think we should add workaround and verification for such
> specific bugs; that doesn't scale.
> 
It's not about a work around for one specific problem. This should be done in all places where data corruption can
happen. Mercurial should make sure that it can detect failures and abort to a state where at least each file is in a
consistent state. That will allow later to verify and repair the repository.

> Alternatively, perhaps the extra check could be placed in an extension?
> 
Sure an extension should be fine.

Cheers,
Ingo


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