bug#4050: 23.1.50; iswitchb virtual buffers don't play well with symlinks

[Chong Yidong <cyd@stupidchicken.com>]

Hi Stephen,

Could you take a look at this bug report?  Thanks.


Tassilo Horn <thorn@fastmail.fm> wrote:

> I use iswitchb and the virtual buffer feature
> (iswitchb-use-virtual-buffers set to t).  It's a great feature, but it
> doesn't play well with symlinks.

> I keep all my config files in a git repository.  For example, my
> ~/.emacs is a symlink to ~/repos/configs/dot-emacs.el.  Now I fire up
> iswithb and type ".emacs".  There's no such buffer, so it shows the
> virtual buffer ".emacs" and I hit RET.

> Now I'm queried:

>   Symbolic link to Git-controlled source file; follow link? (y or n) 

> That's ok, and I say yes.  The echo area says:

>   Followed link to /home/horn/repos/configs/dot-emacs.el

> Also, the file is opened, and a buffer dot-emacs.el exists now.  But
> then I get another query:

>   No buffer matching `.emacs', create one? (y or n) 

> When I say yes, an empty .emacs buffer is created.  When I say no, no
> new buffer is created, but I stay in the buffer I invoked iswitchb
> from.  The dot-emacs.el buffer is open, but not switched to.