Re: Problem with vimdiff and file name resolution

Hi Gary!

On Mi, 09 Jul 2014, Gary Johnson wrote:
> On one of the Linux machines on which I run Vim we run a backup
> program which creates hourly and nightly backups of each user's home
> directory in ~/.snapshot. The problem is that when I try to view
> the differences between a file and its backup copy using vimdiff,
> vimdiff resolves both file names to the same file.
>
> For example, the following command,
>
> $ vimdiff -N -u NONE -i NONE .snapshot/nightly.0/.configfiles/profile.common .configfiles/profile.common
>
> creates two vertically-split windows, but both windows contain the
> same file, .snapshot/nightly.0/.configfiles/profile.common.
>
> I can view the differences by using just diff instead,
>
> $ diff .snapshot/nightly.0/.configfiles/profile.common .configfiles/profile.common
>
> and ls also shows them to be different files:
>
> $ ls -l .snapshot/nightly.0/.configfiles/profile.common .configfiles/profile.common
> -rwx------ 1 gary gary 3523 Jul 9 13:09 .configfiles/profile.common
> -rwx------ 1 gary gary 2992 Jul 7 10:07 .snapshot/nightly.0/.configfiles/profile.common
>
> This seems like a bug.
>
> I'm running 7.4.283 on Fedora 17 Linux.

Is there an easy way to reproduce the issue? It somehow sounds, like
Vim is thinking the second argument as a directory and uses the same
file again. What happens, if you swap the arguments?

Best,
Christian
--
Das Ei darf nicht klüger sein als Kolumbus.
-- Heinz Erhardt

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