;;; shadowfile.el --- automatic file copying
-;; Copyright (C) 1993, 1994, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1993-1994, 2001-2011 Free Software Foundation, Inc.
;; Author: Boris Goldowsky <boris@gnu.org>
;; Keywords: comm files
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
:group 'files)
(defcustom shadow-noquery nil
- "*If t, always copy shadow files without asking.
+ "If t, always copy shadow files without asking.
If nil \(the default), always ask. If not nil and not t, ask only if there
is no buffer currently visiting the file."
:type '(choice (const t) (const nil) (other :tag "Ask if no buffer" maybe))
:group 'shadow)
(defcustom shadow-inhibit-message nil
- "*If non-nil, do not display a message when a file needs copying."
+ "If non-nil, do not display a message when a file needs copying."
:type 'boolean
:group 'shadow)
(defcustom shadow-inhibit-overload nil
"If non-nil, shadowfile won't redefine \\[save-buffers-kill-emacs].
-Normally it overloads the function `save-buffers-kill-emacs' to check
-for files have been changed and need to be copied to other systems."
+Normally it overloads the function `save-buffers-kill-emacs' to check for
+files that have been changed and need to be copied to other systems."
:type 'boolean
:group 'shadow)
(defun shadow-parse-fullname (fullname)
"Parse FULLNAME into \(site user path) list.
-Leave it alone if it already is one. Returns nil if the argument is
+Leave it alone if it already is one. Return nil if the argument is
not a full ange-ftp pathname."
(if (listp fullname)
fullname
"Return t if PATTERN matches FILE.
If REGEXP is supplied and non-nil, the file part of the pattern is a regular
expression, otherwise it must match exactly. The sites and usernames must
-match---see `shadow-same-site'. The pattern must be in full ange-ftp format, but
-the file can be any valid filename. This function does not do any filename
-expansion or contraction, you must do that yourself first."
+match---see `shadow-same-site'. The pattern must be in full ange-ftp format,
+but the file can be any valid filename. This function does not do any
+filename expansion or contraction, you must do that yourself first."
(let* ((pattern-sup (shadow-parse-fullname pattern))
(file-sup (shadow-parse-name file)))
(and (shadow-same-site pattern-sup file-sup)
This is a group of hosts that share directories, so that copying to or from
one of them is sufficient to update the file on all of them. Clusters are
defined by a name, the network address of a primary host \(the one we copy
-files to), and a regular expression that matches the hostnames of all the sites
-in the cluster."
+files to), and a regular expression that matches the hostnames of all the
+sites in the cluster."
(interactive (list (completing-read "Cluster name: " shadow-clusters () ())))
(let* ((old (shadow-get-cluster name))
(primary (read-string "Primary host: "
"Make each of a group of files be shared between hosts.
Prompts for regular expression; files matching this are shared between a list
of sites, which are also prompted for. The filenames must be identical on all
-hosts \(if they aren't, use `shadow-define-literal-group' instead of this function).
-Each site can be either a hostname or the name of a cluster \(see
+hosts \(if they aren't, use `shadow-define-literal-group' instead of this
+function). Each site can be either a hostname or the name of a cluster \(see
`shadow-define-cluster')."
(interactive)
(let ((regexp (read-string
call it manually."
(interactive "P")
(if (not shadow-files-to-copy)
- (if (interactive-p)
+ (if (called-interactively-p 'interactive)
(message "No files need to be shadowed."))
(save-excursion
(map-y-or-n-p (function
(to (shadow-expand-cluster-in-file-name (cdr s))))
(when buffer
(set-buffer buffer)
- (save-restriction
- (widen)
- (condition-case i
- (progn
- (write-region (point-min) (point-max) to)
- (shadow-remove-from-todo s))
- (error (message "Shadow %s not updated!" (cdr s))))))))
+ (condition-case i
+ (progn
+ (write-region nil nil to)
+ (shadow-remove-from-todo s))
+ (error (message "Shadow %s not updated!" (cdr s)))))))
(defun shadow-shadows-of (file)
"Return copy operations needed to update FILE.
(defun shadow-remove-from-todo (pair)
"Remove PAIR from `shadow-files-to-copy'.
-PAIR must be (eq to) one of the elements of that list."
+PAIR must be `eq' to one of the elements of that list."
(setq shadow-files-to-copy
(shadow-remove-if (function (lambda (s) (eq s pair)))
shadow-files-to-copy)))
(defun shadow-read-files ()
"Visit and load `shadow-info-file' and `shadow-todo-file'.
Thus restores shadowfile's state from your last Emacs session.
-Returns t unless files were locked; then returns nil."
+Return t unless files were locked; then return nil."
(interactive)
(if (and (fboundp 'file-locked-p)
(or (stringp (file-locked-p shadow-info-file))
(defun shadow-save-todo-file ()
(if (and shadow-todo-buffer (buffer-modified-p shadow-todo-buffer))
- (save-excursion
- (set-buffer shadow-todo-buffer)
+ (with-current-buffer shadow-todo-buffer
(condition-case nil ; have to continue even in case of
(basic-save-buffer) ; error, otherwise kill-emacs might
(error ; not work!
(setq shadow-hashtable (make-vector 37 0)))
(defun shadow-insert-var (variable)
- "Prettily insert a `setq' command for VARIABLE,
-which, when later evaluated, will restore it to its current setting.
+ "Build a `setq' to restore VARIABLE.
+Prettily insert a `setq' command which, when later evaluated,
+will restore VARIABLE to its current setting.
VARIABLE must be the name of a variable whose value is a list."
(let ((standard-output (current-buffer)))
(insert (format "(setq %s" variable))
(buffer-list))))
(yes-or-no-p "Modified buffers exist; exit anyway? "))
(or (not (fboundp 'process-list))
- ;; process-list is not defined on VMS.
+ ;; process-list is not defined on MSDOS.
(let ((processes (process-list))
active)
(while processes
(file-name-as-directory (shadow-expand-file-name "~"))))
(if (null shadow-info-file)
(setq shadow-info-file
- (shadow-expand-file-name "~/.shadows")))
+ (shadow-expand-file-name (convert-standard-filename "~/.shadows"))))
(if (null shadow-todo-file)
(setq shadow-todo-file
- (shadow-expand-file-name "~/.shadow_todo")))
+ (shadow-expand-file-name
+ (convert-standard-filename "~/.shadow_todo"))))
(if (not (shadow-read-files))
(progn
(message "Shadowfile information files not found - aborting")
(provide 'shadowfile)
-;;; arch-tag: e2f4cdd7-2bab-4def-9130-9e69b412b79e
;;; shadowfile.el ends here