Re: Persistent undo and nfs mounts

Hi Tobiah!

On Do, 21 Nov 2013, Tobiah wrote:

> On 11/21/2013 11:55 AM, Ben Fritz wrote:
> >On Thursday, November 21, 2013 12:52:16 PM UTC-6, Toby Shepard wrote:
> >>I am editing files on a work server via an NFS mount
> >>
> >>from my local desktop. That way I can configure my
> >>
> >>local machine in any way I want, and still edit work
> >>
> >>files.
> >>
> >>
> >>
> >>Recently, I configured Vim to remember undo information
> >>
> >>after quitting. Now, from time to time, I happen to
> >>
> >>be logged into the work server, and want to quickly edit
> >>
> >>a file. I was concerned as to how that might confuse
> >>
> >>my local Vim the next time I edit that same file. If
> >>
> >>I start undoing after loading a file, it seems that Vim
> >>
> >>will expect the contents to be something other than what
> >>
> >>they are. Am I going to have a problem with this?
> >>
> >>
> >
> >
> >Undo information is stored in a file. If you have not configured 'undodir' and just leave the default as storing the undo file in the same directory as the edited file, then your Vim on both machines will see the same undo information.
> >
> >You just need to be sure to configure both Vims to use that saved information and I think you'll be fine.
> >
>
> I did put it somewhere in ~/.vim, as I was directed to do so
> in the first article I found when Googling this. However,
> the Vim on the work server is too old to support persistent
> undo altogether, and I'm not really in a position to upgrade it.

If you also use an old Vim (or a Vim compiled without the persistent
undo feature), you won't be able to make use of undofiles, since the
undofiles contain a hash of the buffer content and changing the buffer
content without altering the undofiles will make the latter unusable.

Best,
Christian
--
Eine witzige Schmeichelei verzeiht sogar der Bescheidenste.
-- Jean Paul

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