[issue281] lockless local clone

[Benoit Boissinot]

New submission from Benoit Boissinot <bboissin at gmail.com>:

While doing a local clone, we use --pull when we cannot lock the source repository.
Instead we should probably always clone with hardlink and when the result is
wrong (middle of a transaction) do either:
- throw away and reclone
- truncate the files that are wrong

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messages: 1471
nosy: tonfa
priority: feature
status: unread
title: lockless local clone
topic: performance

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Mercurial issue tracker <mercurial-bugs at selenic.com>
<http://www.selenic.com/mercurial/bts/issue281>
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