GNU bug report logs - #8419
cp -au : New hard links in source becomes new files at destination when using cp -au

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From: Jim Meyering <jim <at> meyering.net>
To: Pádraig Brady <P <at> draigBrady.com>
Cc: 8419 <at> debbugs.gnu.org
Subject: bug#8419: cp -au : New hard links in source becomes new files at	destination when using cp -au
Date: Wed, 27 Jul 2011 14:10:31 +0200

Pádraig Brady wrote:
> On 26/07/11 14:23, Jim Meyering wrote:
>> Pádraig Brady wrote:
>> ...
>>
>>> Note also your original test didn't fail for me on ext4 on F15.
>>
>
>> I suspect you'll see that it's processing those two files in the reverse
>> order on your system.  In case it's kernel-related, I'm using this:
>>   2.6.38.8-32.fc15.x86_64
>> and the disk is an SSD.
>
> My guess here is there is inode sorting going on,
> which is unstable and returning matching inodes in
> a non deterministic order?
>
> Anyway I've updated the test (attached) to try both ways.
...
> Subject: [PATCH] tests: cp/preserve-link: test all relevant paths
>
> * tests/cp/preserve-link: Add test cases for when a missing
> link in the destination tree is encountered first and second.
> Also add cases for old and new separate files in the destination
> tree, both to make the clobbering behavior explicit, and to
> test any changes in this area in future.

Thanks!

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