From: "Juanma Barranquero" <lekktu@gmail.com>
To: "Stefan Monnier" <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: Files that begin with a period
Date: Mon, 20 Oct 2008 11:03:27 +0200 [thread overview]
Message-ID: <f7ccd24b0810200203g4f748b00w83fccfd449a95158@mail.gmail.com> (raw)
In-Reply-To: <jwvabd0mjy1.fsf-monnier+emacs@gnu.org>
On Sun, Oct 19, 2008 at 22:04, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> Nothing: I agree 100% with your change and just reminded that it would
> additionally be good to try and use user-emacs-directory (i.e. move
> those files into ~/.emacs.d).
Sixteen months ago we had a longish thread about introducing a new
function to help defaulting configuration files to .emacs.d (and
changing the name of `user-emacs-directory'):
http://lists.gnu.org/archive/html/emacs-devel/2007-06/msg00755.html
I have an old patch with the following:
--- lisp/subr.el 13 Jun 2007 00:03:28 -0000 1.555
+++ lisp/subr.el 25 Jun 2007 13:13:33 -0000
@@ -2042,5 +2042,5 @@
(put 'cl-assertion-failed 'error-message "Assertion failed")
-(defconst user-emacs-directory
+(defconst user-data-directory
(if (eq system-type 'ms-dos)
;; MS-DOS cannot have initial dot.
@@ -2049,5 +2049,21 @@
"Directory beneath which additional per-user Emacs-specific files are placed.
Various programs in Emacs store information in this directory.
-Note that this should end with a directory separator.")
+Note that this should end with a directory separator.
+See also `locate-user-data-path'.")
+
+(defun locate-user-data-path (new-name &optional old-name)
+ "Return an absolute per-user Emacs-specific path.
+If OLD-NAME is non-nil and ~/OLD-NAME exists, return ~/OLD-NAME.
+Else return NEW-NAME in `user-data-directory', creating the
+directory if it does not exist."
+ (convert-standard-filename
+ (let* ((home (concat "~" (or init-file-user "")))
+ (at-home (and old-name (expand-file-name old-name home))))
+ (if (and at-home (file-readable-p at-home))
+ at-home
+ (unless (or purify-flag ;; don't create dir
while dumping
+ (file-accessible-directory-p (directory-file-name
user-data-directory)))
+ (make-directory user-data-directory t)) ;; don't catch errors
+ (expand-file-name new-name user-data-directory)))))
The idea was to help converting something like this:
(defcustom savehist-file
(cond
;; Backward compatibility with previous versions of savehist.
((file-exists-p "~/.emacs-history") "~/.emacs-history")
((and (not (featurep 'xemacs)) (file-directory-p user-emacs-directory))
(concat user-emacs-directory "history"))
((and (featurep 'xemacs) (file-directory-p "~/.xemacs/"))
"~/.xemacs/history")
;; For users without `~/.emacs.d/' or `~/.xemacs/'.
(t (convert-standard-filename "~/.emacs-history")))
...)
into
(defcustom savehist-file
(locate-user-data-path "history" ".emacs-history")
...)
In the thread there was much discussion about names, and I haven't
tried to maintain the patch up-to-date. I still think a function like
this one would be helpful, though.
Juanma
next prev parent reply other threads:[~2008-10-20 9:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-19 10:29 Files that begin with a period Eli Zaretskii
2008-10-19 13:07 ` Stefan Monnier
2008-10-19 13:39 ` Eli Zaretskii
2008-10-19 20:04 ` Stefan Monnier
2008-10-20 9:03 ` Juanma Barranquero [this message]
2008-10-20 11:19 ` Eli Zaretskii
2008-10-20 11:32 ` Juanma Barranquero
2008-10-20 12:07 ` Eli Zaretskii
2008-10-23 18:29 ` Stefan Monnier
2008-10-23 21:49 ` Eli Zaretskii
2008-10-24 9:46 ` Juanma Barranquero
2008-10-24 4:18 ` Stephen J. Turnbull
2008-10-24 10:25 ` Juanma Barranquero
2008-10-20 9:33 ` Eli Zaretskii
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