- (dired-query 'overwrite-query
- "Overwrite `%s'?" to))))
- ;; must determine if FROM is marked before file-creator
- ;; gets a chance to delete it (in case of a move).
- (actual-marker-char
- (cond ((integerp marker-char) marker-char)
- (marker-char (dired-file-marker from)) ; slow
- (t nil))))
- ;; Handle the `dired-copy-file' file-creator specially
- ;; When copying a directory to another directory or
- ;; possibly to itself or one of its subdirectories.
- ;; e.g "~/foo/" => "~/test/"
- ;; or "~/foo/" =>"~/foo/"
- ;; or "~/foo/ => ~/foo/bar/")
- ;; In this case the 'name-constructor' have set the destination
- ;; TO to "~/test/foo" because the old emacs23 behavior
- ;; of `copy-directory' was to not create the subdirectory
- ;; and instead copy the contents.
- ;; With the new behavior of `copy-directory'
- ;; (similar to the `cp' shell command) we don't
- ;; need such a construction of the target directory,
- ;; so modify the destination TO to "~/test/" instead of
- ;; "~/test/foo/".
- (let ((destname (file-name-directory to)))
- (when (and (file-directory-p from)
- (file-directory-p to)
- (eq file-creator 'dired-copy-file))
- (setq to destname))
- ;; If DESTNAME is a subdirectory of FROM, not a symlink,
- ;; and the method in use is copying, signal an error.
- (and (eq t (car (file-attributes destname)))
- (eq file-creator 'dired-copy-file)
- (file-in-directory-p destname from)
- (error "Cannot copy `%s' into its subdirectory `%s'"
- from to)))
- (condition-case err
- (funcall file-creator from to dired-overwrite-confirmed)
- (file-error ; FILE-CREATOR aborted
- (progn
- (push (dired-make-relative from)
- failures)
- (dired-log "%s `%s' to `%s' failed:\n%s\n"
- operation from to err))))))))
- (cond
- (dired-create-files-failures
- (setq failures (nconc failures dired-create-files-failures))
- (dired-log-summary
- (format "%s failed for %d file%s in %d requests"
- operation (length failures)
- (dired-plural-s (length failures))
- total)
- failures))
- (failures
- (dired-log-summary
- (format "%s failed for %d of %d file%s"
- operation (length failures)
- total (dired-plural-s total))
- failures))
- (skipped
- (dired-log-summary
- (format "%s: %d of %d file%s skipped"
- operation (length skipped) total
- (dired-plural-s total))
- skipped))
- (t
- (message "%s proceeding asynchronously..." operation)))))
+ (dired-query 'overwrite-query "Overwrite `%s'?" to)))))
+ ;; Handle the `dired-copy-file' file-creator specially
+ ;; When copying a directory to another directory or
+ ;; possibly to itself or one of its subdirectories.
+ ;; e.g "~/foo/" => "~/test/"
+ ;; or "~/foo/" =>"~/foo/"
+ ;; or "~/foo/ => ~/foo/bar/")
+ ;; In this case the 'name-constructor' have set the destination
+ ;; TO to "~/test/foo" because the old emacs23 behavior
+ ;; of `copy-directory' was to not create the subdirectory
+ ;; and instead copy the contents.
+ ;; With the new behavior of `copy-directory'
+ ;; (similar to the `cp' shell command) we don't
+ ;; need such a construction of the target directory,
+ ;; so modify the destination TO to "~/test/" instead of "~/test/foo/".
+ (let ((destname (file-name-directory to)))
+ (when (and (file-directory-p from)
+ (file-directory-p to)
+ (eq file-creator 'dired-copy-file))
+ (setq to destname))
+ ;; If DESTNAME is a subdirectory of FROM, not a symlink,
+ ;; and the method in use is copying, signal an error.
+ (and (eq t (car (file-attributes destname)))
+ (eq file-creator 'dired-copy-file)
+ (file-in-directory-p destname from)
+ (error "Cannot copy `%s' into its subdirectory `%s'"
+ from to)))
+ (if overwrite
+ (or (and dired-overwrite-confirmed
+ (push (cons from to) async-fn-list))
+ (progn
+ (push (dired-make-relative from) failures)
+ (dired-log "%s `%s' to `%s' failed"
+ operation from to)))
+ (push (cons from to) async-fn-list)))))
+ (setq callback
+ (lambda (&optional _ignore)
+ (dired-async-after-file-create total)
+ (when (string= (downcase operation) "rename")
+ (cl-loop for (file . to) in async-fn-list
+ for bf = (get-file-buffer file)
+ do (and bf (with-current-buffer bf
+ (set-visited-file-name to nil t))))))))
+ ;; Handle error happening in host emacs.
+ (cond (failures
+ (dired-log-summary
+ (format "%s failed for %d of %d file%s"
+ operation (length failures)
+ total (dired-plural-s total))
+ failures))
+ (skipped
+ (dired-log-summary
+ (format "%s: %d of %d file%s skipped"
+ operation (length skipped) total
+ (dired-plural-s total))
+ skipped)))
+ ;; Start async process.
+ (when async-fn-list
+ (async-start `(lambda ()
+ (require 'cl-lib) (require 'dired-aux) (require 'dired-x)
+ ,(async-inject-variables dired-async-env-variables-regexp)
+ (condition-case err
+ (let ((dired-recursive-copies (quote always))
+ (dired-copy-preserve-time
+ ,dired-copy-preserve-time))
+ (setq overwrite-backup-query nil)
+ ;; Inline `backup-file' as long as it is not
+ ;; available in emacs.
+ (defalias 'backup-file
+ ;; Same feature as "cp --backup=numbered from to"
+ ;; Symlinks are copied as file from source unlike
+ ;; `dired-copy-file' which is same as cp -d.
+ ;; Directories are omitted.
+ (lambda (from to ok)
+ (cond ((file-directory-p from) (ignore))
+ (t (let ((count 0))
+ (while (let ((attrs (file-attributes to)))
+ (and attrs (null (nth 0 attrs))))
+ (cl-incf count)
+ (setq to (concat (file-name-sans-versions to)
+ (format ".~%s~" count)))))
+ (condition-case err
+ (copy-file from to ok dired-copy-preserve-time)
+ (file-date-error
+ (push (dired-make-relative from)
+ dired-create-files-failures)
+ (dired-log "Can't set date on %s:\n%s\n" from err)))))))
+ ;; Now run the FILE-CREATOR function on files.
+ (cl-loop with fn = (quote ,file-creator)
+ for (from . dest) in (quote ,async-fn-list)
+ do (funcall fn from dest t)))
+ (file-error
+ (with-temp-file ,dired-async-log-file
+ (insert (format "%S" err)))))
+ ,(dired-async-maybe-kill-ftp))
+ callback)
+ ;; Run mode-line notifications while process running.
+ (dired-async--modeline-mode 1)
+ (setq dired-async-operation (list operation (length async-fn-list)))
+ (message "%s proceeding asynchronously..." operation))))
+
+(defadvice dired-create-files (around dired-async)
+ (dired-async-create-files file-creator operation fn-list
+ name-constructor marker-char))
+
+;;;###autoload
+(define-minor-mode dired-async-mode
+ "Do dired actions asynchronously."
+ :group 'dired-async
+ :global t
+ (if dired-async-mode
+ (if (fboundp 'advice-add)
+ (advice-add 'dired-create-files :override #'dired-async-create-files)
+ (ad-activate 'dired-create-files))
+ (if (fboundp 'advice-remove)
+ (advice-remove 'dired-create-files #'dired-async-create-files)
+ (ad-deactivate 'dired-create-files))))