Checkout files not in sync with workdir parent !

[Long Vu]

On Tue, Jan 8, 2013 at 2:32 PM, Matt Mackall <mpm at selenic.com> wrote:

> On Mon, 2013-01-07 at 17:11 -0500, Long Vu wrote:
> > Hi,
> >
> > Here's what happened:
> >
> > # have not pulled for a while
> > hg pull
> > hg update
> > hg cat -r . file1 > file1_from_repo
> > diff file1 file1_from_repo
> > # diff found differences
> >
> > But hg status and hg diff found nothing !
>
> Stock Mercurial can miss changes if:
>
> - the timestamp is unchanged
> - the size is unchanged
> - the timestamp is NOT the time of checkout
>
> In other words, you take a file Mercurial knows is clean, make a
> size-preserving edit, then set the date back to its original date.
> This is an issue we're not going to fix; it would make Mercurial an
> order of magnitude slower for everyone to catch a very small number of
> misbehaving apps/users.
>
> It may also be possible to miss changes if a write to the file occurs
> during checkout.
>

Interesting !  Do you mean if another process write to the file during
checkout, checkout will fail to update that file but still think the file
is clean?


>
> If you can reproduce the issue, please file a bug report, we may be able
> to diagnose it. But reports after you've destroyed the evidence: not so
> interesting.
>
>
If another co-worker get that problem, I'll save the workdir !

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