Re: VimDiff => ":diffupdate" does not work

Hi GeertVc!

On Do, 10 Mai 2012, GeertVc wrote:

> When changing one or both files which are currently open/compared in
> VimDiff, in an *external* editor (so, not in Vim or VimDiff itself),
> VimDiff doesn't update the diffs when forcing an update using the
> command ":diffupdate". In fact, nothing happens at all while
> executing this ":diffupdate" command.
>
> Only when forcing VimDiff to lose focus and re-gain focus again, I see
> the message that files have been changed. After (re)loading the
> changed files, the diff is updated.
>
> I enforce losing focus by executing the command ":shell" from within
> VimDiff and then exit-ing the shell mode again to come back to
> VimDiff.
>
> Is ":diffupdate" not supposed to "forcefully" rescan both files and
> update the view?
>
> I'm using VimDiff version 7.1.138 on Ubuntu 8.04, but the same
> complaint is valid for VimDiff 7.3.449 on a very recent Ubuntu 12.04
> distro.

Yeah, diffupdate only updates the diff for the buffer that is loaded. It
doesn't check, whether the original file, has been changed. If you want
this, I suggest you set the 'autoread' option together with an
CursorHold autocommand, e.g. like this

au CursorHold * checktime

regards,
Christian
--
Der Stand erhebt die Großen über die Urteile, die die Kleinen über
ihre Tugenden fällen - aber nicht über ihre Vorzüge. Sie rächen nicht
die beleidigte Achtung, sondern die beleidigte Eitelkeit.
-- Jean Paul

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