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

[Jim Meyering]

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!