;;; vc.el --- drive a version-control system from within Emacs -*- lexical-binding: t -*-
-;; Copyright (C) 1992-1998, 2000-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1992-1998, 2000-2013 Free Software Foundation, Inc.
;; Author: FSF (see below for full credits)
;; Maintainer: Andre Spiegel <spiegel@gnu.org>
(eval-when-compile
(require 'dired))
+(declare-function dired-get-filename "dired" (&optional localp noerror))
+(declare-function dired-move-to-filename "dired" (&optional err eol))
+(declare-function dired-marker-regexp "dired" ())
+
(unless (assoc 'vc-parent-buffer minor-mode-alist)
(setq minor-mode-alist
(cons '(vc-parent-buffer vc-parent-buffer-name)
;; among all the `files'.
(model (nth 4 vc-fileset)))
- ;; Do the right thing
+ ;; If a buffer has unsaved changes, a checkout would discard those
+ ;; changes, so treat the buffer as having unlocked changes.
+ (when (and (not (eq model 'implicit)) (eq state 'up-to-date))
+ (dolist (file files)
+ (let ((buffer (get-file-buffer file)))
+ (and buffer
+ (buffer-modified-p buffer)
+ (setq state 'unlocked-changes)))))
+
+ ;; Do the right thing.
(cond
((eq state 'missing)
(error "Fileset files are missing, so cannot be operated on"))
;; Files have local changes
((vc-compatible-state state 'edited)
(let ((ready-for-commit files))
- ;; If files are edited but read-only, give user a chance to correct.
- (dolist (file files)
- ;; If committing a mix of removed and edited files, the
- ;; fileset has state = 'edited. Rather than checking the
- ;; state of each individual file in the fileset, it seems
- ;; simplest to just check if the file exists. Bug#9781.
- (when (and (file-exists-p file) (not (file-writable-p file)))
- ;; Make the file+buffer read-write.
- (unless (y-or-n-p (format "%s is edited but read-only; make it writable and continue? " file))
- (error "Aborted"))
- ;; Maybe we somehow lost permissions on the directory.
- (condition-case nil
- (set-file-modes file (logior (file-modes file) 128))
- (error (error "Unable to make file writable")))
- (let ((visited (get-file-buffer file)))
- (when visited
- (with-current-buffer visited
- (read-only-mode -1))))))
+ ;; CVS, SVN and bzr don't care about read-only (bug#9781).
+ ;; RCS does, SCCS might (someone should check...).
+ (when (memq backend '(RCS SCCS))
+ ;; If files are edited but read-only, give user a chance to correct.
+ (dolist (file files)
+ ;; If committing a mix of removed and edited files, the
+ ;; fileset has state = 'edited. Rather than checking the
+ ;; state of each individual file in the fileset, it seems
+ ;; simplest to just check if the file exists. Bug#9781.
+ (when (and (file-exists-p file) (not (file-writable-p file)))
+ ;; Make the file+buffer read-write.
+ (unless (y-or-n-p (format "%s is edited but read-only; make it writable and continue? " file))
+ (error "Aborted"))
+ ;; Maybe we somehow lost permissions on the directory.
+ (condition-case nil
+ (set-file-modes file (logior (file-modes file) 128))
+ (error (error "Unable to make file writable")))
+ (let ((visited (get-file-buffer file)))
+ (when visited
+ (with-current-buffer visited
+ (read-only-mode -1)))))))
;; Allow user to revert files with no changes
(save-excursion
(dolist (file files)
;; many VCS allow that as well.
(dolist (fname files)
(let ((bname (get-file-buffer fname)))
- (unless fname (setq fname buffer-file-name))
- (when (vc-backend fname)
- (if (vc-registered fname)
- (error "This file is already registered")
- (unless (y-or-n-p "Previous master file has vanished. Make a new one? ")
- (error "Aborted"))))
+ (unless fname
+ (setq fname buffer-file-name))
+ (when (vc-call-backend backend 'registered fname)
+ (error "This file is already registered"))
;; Watch out for new buffers of size 0: the corresponding file
;; does not exist yet, even though buffer-modified-p is nil.
(when bname
(when (listp switches) switches))))
;; Old def for compatibility with Emacs-21.[123].
-(defmacro vc-diff-switches-list (backend) `(vc-switches ',backend 'diff))
-(make-obsolete 'vc-diff-switches-list 'vc-switches "22.1")
+(defmacro vc-diff-switches-list (backend)
+ (declare (obsolete vc-switches "22.1"))
+ `(vc-switches ',backend 'diff))
(defun vc-diff-finish (buffer messages)
;; The empty sync output case has already been handled, so the only
(let ((vc-disable-async-diff (not async)))
(vc-call-backend (car vc-fileset) 'diff files rev1 rev2 buffer))
(set-buffer buffer)
+ (diff-mode)
+ (set (make-local-variable 'diff-vc-backend) (car vc-fileset))
+ (set (make-local-variable 'revert-buffer-function)
+ `(lambda (ignore-auto noconfirm)
+ (vc-diff-internal ,async ',vc-fileset ,rev1 ,rev2 ,verbose)))
+ ;; Make the *vc-diff* buffer read only, the diff-mode key
+ ;; bindings are nicer for read only buffers. pcl-cvs does the
+ ;; same thing.
+ (setq buffer-read-only t)
(if (and (zerop (buffer-size))
(not (get-buffer-process (current-buffer))))
;; Treat this case specially so as not to pop the buffer.
(progn
(message "%s" (cdr messages))
nil)
- (diff-mode)
- (set (make-local-variable 'diff-vc-backend) (car vc-fileset))
- (set (make-local-variable 'revert-buffer-function)
- `(lambda (ignore-auto noconfirm)
- (vc-diff-internal ,async ',vc-fileset ,rev1 ,rev2 ,verbose)))
- ;; Make the *vc-diff* buffer read only, the diff-mode key
- ;; bindings are nicer for read only buffers. pcl-cvs does the
- ;; same thing.
- (setq buffer-read-only t)
;; Display the buffer, but at the end because it can change point.
(pop-to-buffer (current-buffer))
;; The diff process may finish early, so call `vc-diff-finish'
;;;###autoload
(defun vc-delete-file (file)
- "Delete file and mark it as such in the version control system."
- (interactive "fVC delete file: ")
+ "Delete file and mark it as such in the version control system.
+If called interactively, read FILE, defaulting to the current
+buffer's file name if it's under version control."
+ (interactive (list (read-file-name "VC delete file: " nil
+ (when (vc-backend buffer-file-name)
+ buffer-file-name) t)))
(setq file (expand-file-name file))
(let ((buf (get-file-buffer file))
(backend (vc-backend file)))
;;;###autoload
(defun vc-rename-file (old new)
- "Rename file OLD to NEW in both work area and repository."
- (interactive "fVC rename file: \nFRename to: ")
+ "Rename file OLD to NEW in both work area and repository.
+If called interactively, read OLD and NEW, defaulting OLD to the
+current buffer's file name if it's under version control."
+ (interactive (list (read-file-name "VC rename file: " nil
+ (when (vc-backend buffer-file-name)
+ buffer-file-name) t)
+ (read-file-name "Rename to: ")))
;; in CL I would have said (setq new (merge-pathnames new old))
(let ((old-base (file-name-nondirectory old)))
(when (and (not (string= "" old-base))
(cond ((consp current-prefix-arg) ;C-u
(list buffer-file-name))
(current-prefix-arg ;Numeric argument.
- (let ((files nil)
- (buffers (buffer-list))
- file)
- (while buffers
- (setq file (buffer-file-name (car buffers)))
- (and file (vc-backend file)
- (setq files (cons file files)))
- (setq buffers (cdr buffers)))
+ (let ((files nil))
+ (dolist (buffer (buffer-list))
+ (let ((file (buffer-file-name buffer)))
+ (and file (vc-backend file)
+ (setq files (cons file files)))))
files))
(t
;; Don't supply any filenames to backend; this means