Re: desktop and ~/.emacs.d/

[Davis Herring]

>> Sounds fine to me; in fact, it might make sense for .emacs.d to be
>> offered as the default location (rather than the directory current at
>> the first invocation of `desktop-save', that `interactive' picks).
>
> A very welcome patch... ;-)

Hey, isn't that my line? ;)

It occurs to me that `user-emacs-directory' isn't always the right
default, because if you want to create multiple desktops, you'll probably
want them near some file that's current when you issue `desktop-save'.  So
here's a heuristic: if `desktop-dirname' is nil, so no desktop is loaded,
offer `user-emacs-directory' as a default; otherwise offer the current
directory as before.  The only place this seems wrong is when you, say,
abort loading ~/.emacs.d/.emacs.desktop, so that the default would
overwrite it when you probably meant to make a new one elsewhere.  But
it's safe: `desktop-save' will prompt intelligently before overwriting it.

Davis

*** cvs/desktop.el      2009-09-14 08:46:20.910215000 -0600
--- new/desktop.el      2009-09-14 09:09:17.649462000 -0600
***************
*** 519,524 ****
--- 519,528 ----
  (defvar desktop-dirname nil
    "The directory in which the desktop file should be saved.")

+ (defun desktop-read-dirname ()
+   (read-directory-name "Directory to save desktop file in: "
+                      (and (not desktop-dirname) user-emacs-directory) nil t))
+
  (defun desktop-full-file-name (&optional dirname)
    "Return the full name of the desktop file in DIRNAME.
  DIRNAME omitted or nil means use `desktop-dirname'."
***************
*** 625,634 ****
                          (and exists (eq desktop-save 'ask-if-exists)))
                      (y-or-n-p "Save desktop? ")))))
      (unless desktop-dirname
!       (setq desktop-dirname
!             (file-name-as-directory
!              (expand-file-name
!             (read-directory-name "Directory for desktop file: " nil nil t)))))
      (condition-case err
        (desktop-save desktop-dirname t)
        (file-error
--- 629,636 ----
                          (and exists (eq desktop-save 'ask-if-exists)))
                      (y-or-n-p "Save desktop? ")))))
      (unless desktop-dirname
!       (setq desktop-dirname (file-name-as-directory
!                            (expand-file-name (desktop-read-dirname)))))
      (condition-case err
        (desktop-save desktop-dirname t)
        (file-error
***************
*** 850,856 ****
  Parameter DIRNAME specifies where to save the desktop file.
  Optional parameter RELEASE says whether we're done with this desktop.
  See also `desktop-base-file-name'."
!   (interactive "DDirectory to save desktop file in: ")
    (setq desktop-dirname (file-name-as-directory (expand-file-name
dirname)))
    (save-excursion
      (let ((eager desktop-restore-eager)
--- 852,858 ----
  Parameter DIRNAME specifies where to save the desktop file.
  Optional parameter RELEASE says whether we're done with this desktop.
  See also `desktop-base-file-name'."
!   (interactive (list (desktop-read-dirname)))
    (setq desktop-dirname (file-name-as-directory (expand-file-name
dirname)))
    (save-excursion
      (let ((eager desktop-restore-eager)

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