tests/test-copy

Fix troubles with clone and exception handling

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Hash: SHA1

Fix troubles with clone and exception handling

Clone deletes its directory on failure 

This was deleting the lockfile out from under the lock object before
it got destroyed

This patch shuts lock up and makes the cleanup code for clone a little
cleaner.

manifest hash: f666fddcf6f3a905020a091f5e9fd2cb5d806cdd
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#!/bin/bash

set -x
hg init
echo a > a
hg add a
hg commit -t "1" -u test -d "0 0"
hg status
cp a b
hg copy a b
hg status
hg -d commit -t "2" -u test -d "0 0"
hg history
hg log a
hexdump -C .hg/data/b.d
hg cat b > bsum
md5sum bsum
hg cat a > asum
md5sum asum
hg verify