Strange behaviour for conflic file

[jupiter]

During the yum installation, either /usr/local/hce_graphics/menu/hce.menu
or /usr/local/hce_g1/menu/hce.menu will be copied to
/etc/xdg/menus/applications-merged/hce.menu depending on whether the
/etc/xdg/menus/applications-merged/hce.menu exists or not.

I don't know how the yum or rpm checks duplication status, I'll imagine
that yum or rpm check the file content, access mode and ownership of the
file, if it is the same, yum or rpm won't copy to it, otherwise, yum or rpm
will generate an error of conflict. I've checked the files hce.menu in both
packages are identical, the yum installation shouldn't have conflict error,
but it did. Unless there are any other status that yum / rpm checks?

Thank you.

-j



On Fri, Oct 10, 2014 at 8:26 PM, Panu Matilainen <pmatilai at laiskiainen.org>
wrote:

> On 10/10/2014 11:48 AM, jupiter wrote:
>
>> On 10/10/14, Panu Matilainen <pmatilai at laiskiainen.org> wrote:
>>
>>> On 10/09/2014 05:39 PM, Tim Lauridsen wrote:
>>>
>>>>
>>>>
>>>> On Thu, Oct 9, 2014 at 12:54 PM, jupiter <jupiter.hce at gmail.com
>>>> <mailto:jupiter.hce at gmail.com>> wrote:
>>>>
>>>>      Hi,
>>>>
>>>>      I built my own RPM packages which contain top menu hce.menu for
>>>> CentOS
>>>>      6.5, but I am baffled by following conflict file error:
>>>>
>>>>      $ sudo yum install hce_graphics
>>>>
>>>>      Transaction Check Error:
>>>>         file /etc/xdg/menus/applications-merged/hce.menu from install
>>>> of
>>>>      hce_graphics-1.3.18-4.0.7.x86_64 conflicts with file from package
>>>>      hce_g1-4.1-4.0.8.x86_64
>>>>
>>>>      Both hce.menu file are exactly identical:
>>>>
>>>>      $ md5sum /usr/local/hce_graphics/menu/hce.menu
>>>>      bb4a1d5b7fa3dc0da292239cbedf096d
>>>>
>>>>      $ md5sum /usr/local/hce_g1/menu/hce.menu
>>>>      bb4a1d5b7fa3dc0da292239cbedf096d
>>>>
>>>>      How does the yum check the conflict file?
>>>>
>>>>      Appreciate your advice.
>>>>
>>>>      Thank you.
>>>>
>>>>      Kind regards,
>>>>
>>>>      - jupi
>>>>
>>>>
>>>> It is rpm there is complaining here, only one installed package can
>>>> owned the same file.
>>>>
>>>
>>> Nope, its always been possible to share identical files between
>>> packages. Identical means more than just content, mode and ownership
>>> need to match as well.
>>>
>>
>> Correct, I did get it work before. How to debug it? The same owneship
>> root, the same content verified by md5sum and the same mode, that
>> borthers me.
>>
>
> Well you're talking about three different files here:
>
> /etc/xdg/menus/applications-merged/hce.menu
> /usr/local/hce_graphics/menu/hce.menu
> /usr/local/hce_g1/menu/hce.menu
>
> Its the one in /etc that conflicts, but you dont provide any info about
> what it is. If its a symlink to the other files, different in each package,
> then that would be another possible cause of the conflict.
>
> How to debug it is simply: look carefully!
>
>         - Panu -
>
>
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