Re: persistent undo stops working on sshfs if undodir is set

Mattias Fliesberg wrote:

> Well, sshfs is a fuse based filesystem for ssh. I just mount a remote
> dir like this...
>
> $ sshfs hostname: directory
>
> I set undodir and friends like this.
>
> if exists("&undofile")
> set undodir=/tmp
> set undofile
> set undolevels=1000
> set undoreload=10000
> endif
>
> And if undodir is not inside the mounted dir it doesn't seem to work.
> I'm saying this because if I set undodir inside the sshfs mounted
> directory it actually works for that specific mount.
>
> And like I said in my other mail this only seem to happen for OpenSSH <=5.1,
> at least. This is on the server side, the client I tested from always ran
> 5.5.

I guess the problem is in the filesystem implementation. Perhaps Vim
does some system calls that this filesystem isn't prepared for. Strace
may help finding out what happens.

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