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bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used
From: |
Juanma Barranquero |
Subject: |
bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used |
Date: |
Wed, 6 Jan 2010 05:00:38 +0100 |
On Tue, Aug 4, 2009 at 13:30, Dan Nicolaescu <dann@ics.uci.edu> wrote:
> I am not familiar with uniquify, but after binding default-directory in
> vc-dir-prepare-status-buffer, I get the result above.
> And it is identical to what happens when doing:
>
>
> (progn
> (require 'uniquify)
> (setq uniquify-buffer-name-style 'post-forward)
> (cd "/tmp")
> (make-directory "foo")
> (make-directory "bar")
> (cd "/tmp/foo")
> (create-file-buffer "*vc-dir*")
> (cd "/tmp/bar")
> (create-file-buffer "*vc-dir*"))
In fact, I think the two problems are not exactly the same, though
they are related. If my analysis, and the following patch, are
correct, Dan's example is caused by a bug in
`uniquify-rationalize-file-buffer-names', which sometimes, while
trying to refresh the dirname of a candidate, fails to check that it
is setting it to nil. Fixing that problem makes Dan's example to work,
but Magnus' vc-dir example still fails.
The reason of the other bug is twofold:
On one hand, vc-dir (specifically `vc-dir-prepare-status-buffer') is
calling `create-file-buffer' passing "*vc-dir*" to it; but that
function expects to be passed a filename; in this case, the difference
is relevant because uniquify tries to use that filename's directory
information to decide the dirname for the candidates.
On the other hand, `uniquify-buffer-file-name' should return a
directory, but fails to deal with the case that the "filename" is
already a directory (which can happen, for example, when it is getting
this "filename" from `list-buffers-directory'). In this case it should
just remove any trailing slash and pass it back unscathed.
Please, try the attached patch to see whether it helps.
Thanks,
Juanma
2010-01-06 Juanma Barranquero <lekktu@gmail.com>
Bug#3224
* uniquify.el (uniquify-rationalize-file-buffer-names):
Don't set uniquify-item-dirname to nil.
(uniquify-buffer-file-name): If the "filename" is already a directory
name, do not modify it.
* vc-dir.el (vc-dir-prepare-status-buffer): Pass a (fake) filename
to `create-file-buffer' as it expects, not just a buffer name.
=== modified file 'lisp/uniquify.el'
--- lisp/uniquify.el 2010-01-04 05:35:18 +0000
+++ lisp/uniquify.el 2010-01-06 03:22:51 +0000
@@ -232,9 +232,9 @@
;; of code like in set-visited-file-name:
;; (or (string= new-name (buffer-name)) (rename-buffer new-name t))
;; So we need to refresh the dirname of the uniquify-item.
- (setf (uniquify-item-dirname (car items))
- (uniquify-buffer-file-name
- (uniquify-item-buffer (car items))))
+ (let ((bfn (uniquify-buffer-file-name (uniquify-item-buffer (car
items)))))
+ (when bfn
+ (setf (uniquify-item-dirname (car items)) bfn)))
;; This shouldn't happen, but maybe there's no dirname any more.
(unless (uniquify-item-dirname (car items))
(with-current-buffer (uniquify-item-buffer (car items))
@@ -265,9 +265,11 @@
list-buffers-directory))))
(when filename
(directory-file-name
- (file-name-directory
- (expand-file-name
- (directory-file-name filename))))))))
+ (if (file-directory-p filename)
+ (file-name-as-directory filename)
+ (file-name-directory
+ (expand-file-name
+ (directory-file-name filename)))))))))
(defun uniquify-rerationalize-w/o-cb (fix-list)
"Re-rationalize the buffers in FIX-LIST, but ignoring `current-buffer'."
=== modified file 'lisp/vc-dir.el'
--- lisp/vc-dir.el 2009-12-05 00:24:03 +0000
+++ lisp/vc-dir.el 2010-01-06 03:26:33 +0000
@@ -101,7 +101,7 @@
(return buffer))))))))
(or buf
;; Create a new buffer named BNAME.
- (with-current-buffer (create-file-buffer bname)
+ (with-current-buffer (create-file-buffer (expand-file-name bname dir))
(cd dir)
(vc-setup-buffer (current-buffer))
;; Reset the vc-parent-buffer-name so that it does not appear
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used,
Juanma Barranquero <=
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Dan Nicolaescu, 2010/01/06
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Stefan Monnier, 2010/01/06
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Juanma Barranquero, 2010/01/06
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Stefan Monnier, 2010/01/06
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Juanma Barranquero, 2010/01/07
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Stefan Monnier, 2010/01/07
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Juanma Barranquero, 2010/01/07
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Stefan Monnier, 2010/01/07
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Juanma Barranquero, 2010/01/07
- bug#3224: 23.0.92; vc-dir vs uniquify: wrong directory used, Stefan Monnier, 2010/01/07