From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Thierry Volpiatto <thierry.volpiatto@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: patch-copy-dir-with-stefan-changes
Date: Wed, 09 Feb 2011 11:42:13 -0500 [thread overview]
Message-ID: <jwvvd0tp3f2.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87r5bh2sf8.fsf@gmail.com> (Thierry Volpiatto's message of "Wed, 09 Feb 2011 15:28:43 +0100")
> here another approach to fix copy-directory and dired.
Looks good.
I'm not sure how it can get away with removing dired-do-create-files
without removing any call to it, but other than that it looks like the
best solution. Any other opinion?
Stefan
> ---
> lisp/dired-aux.el | 91 ++---------------------------------------------------
> lisp/files.el | 53 +++++++++++++------------------
> 2 files changed, 25 insertions(+), 119 deletions(-)
> diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el
> index 28b285f..5bb9d73 100644
> --- a/lisp/dired-aux.el
> +++ b/lisp/dired-aux.el
> @@ -1345,6 +1345,7 @@ Special value `always' suppresses confirmation."
> (when cons (setcar cons cur-dir))))))
> \f
> ;; The basic function for half a dozen variations on cp/mv/ln/ln -s.
> +\f
> (defun dired-create-files (file-creator operation fn-list name-constructor
> &optional marker-char)
> @@ -1403,6 +1404,8 @@ ESC or `q' to not overwrite any of the remaining files,
> (cond ((integerp marker-char) marker-char)
> (marker-char (dired-file-marker from)) ; slow
> (t nil))))
> + (when (and (file-directory-p from) (eq file-creator 'dired-copy-file))
> + (setq to (file-name-directory to)))
> (condition-case err
> (progn
> (funcall file-creator from to dired-overwrite-confirmed)
> @@ -1445,94 +1448,6 @@ ESC or `q' to not overwrite any of the remaining files,
> (message "%s: %s file%s"
> operation success-count (dired-plural-s success-count)))))
> (dired-move-to-filename))
> -\f
> -(defun dired-do-create-files (op-symbol file-creator operation arg
> - &optional marker-char op1
> - how-to)
> - "Create a new file for each marked file.
> -Prompts user for target, which is a directory in which to create
> - the new files. Target may also be a plain file if only one marked
> - file exists. The way the default for the target directory is
> - computed depends on the value of `dired-dwim-target-directory'.
> -OP-SYMBOL is the symbol for the operation. Function `dired-mark-pop-up'
> - will determine whether pop-ups are appropriate for this OP-SYMBOL.
> -FILE-CREATOR and OPERATION as in `dired-create-files'.
> -ARG as in `dired-get-marked-files'.
> -Optional arg MARKER-CHAR as in `dired-create-files'.
> -Optional arg OP1 is an alternate form for OPERATION if there is
> - only one file.
> -Optional arg HOW-TO determiness how to treat the target.
> - If HOW-TO is nil, use `file-directory-p' to determine if the
> - target is a directory. If so, the marked file(s) are created
> - inside that directory. Otherwise, the target is a plain file;
> - an error is raised unless there is exactly one marked file.
> - If HOW-TO is t, target is always treated as a plain file.
> - Otherwise, HOW-TO should be a function of one argument, TARGET.
> - If its return value is nil, TARGET is regarded as a plain file.
> - If it return value is a list, TARGET is a generalized
> - directory (e.g. some sort of archive). The first element of
> - this list must be a function with at least four arguments:
> - operation - as OPERATION above.
> - rfn-list - list of the relative names for the marked files.
> - fn-list - list of the absolute names for the marked files.
> - target - the name of the target itself.
> - The rest of into-dir are optional arguments.
> - For any other return value, TARGET is treated as a directory."
> - (or op1 (setq op1 operation))
> - (let* ((fn-list (dired-get-marked-files nil arg))
> - (rfn-list (mapcar (function dired-make-relative) fn-list))
> - (dired-one-file ; fluid variable inside dired-create-files
> - (and (consp fn-list) (null (cdr fn-list)) (car fn-list)))
> - (target-dir (dired-dwim-target-directory))
> - (default (and dired-one-file
> - (expand-file-name (file-name-nondirectory (car fn-list))
> - target-dir)))
> - (defaults (dired-dwim-target-defaults fn-list target-dir))
> - (target (expand-file-name ; fluid variable inside dired-create-files
> - (minibuffer-with-setup-hook
> - (lambda ()
> - (set (make-local-variable 'minibuffer-default-add-function) nil)
> - (setq minibuffer-default defaults))
> - (dired-mark-read-file-name
> - (concat (if dired-one-file op1 operation) " %s to: ")
> - target-dir op-symbol arg rfn-list default))))
> - (into-dir (cond ((null how-to)
> - ;; Allow DOS/Windows users to change the letter
> - ;; case of a directory. If we don't test these
> - ;; conditions up front, file-directory-p below
> - ;; will return t because the filesystem is
> - ;; case-insensitive, and Emacs will try to move
> - ;; foo -> foo/foo, which fails.
> - (if (and (memq system-type '(ms-dos windows-nt cygwin))
> - (eq op-symbol 'move)
> - dired-one-file
> - (string= (downcase
> - (expand-file-name (car fn-list)))
> - (downcase
> - (expand-file-name target)))
> - (not (string=
> - (file-name-nondirectory (car fn-list))
> - (file-name-nondirectory target))))
> - nil
> - (file-directory-p target)))
> - ((eq how-to t) nil)
> - (t (funcall how-to target)))))
> - (if (and (consp into-dir) (functionp (car into-dir)))
> - (apply (car into-dir) operation rfn-list fn-list target (cdr into-dir))
> - (if (not (or dired-one-file into-dir))
> - (error "Marked %s: target must be a directory: %s" operation target))
> - ;; rename-file bombs when moving directories unless we do this:
> - (or into-dir (setq target (directory-file-name target)))
> - (dired-create-files
> - file-creator operation fn-list
> - (if into-dir ; target is a directory
> - ;; This function uses fluid variable target when called
> - ;; inside dired-create-files:
> - (function
> - (lambda (from)
> - (expand-file-name (file-name-nondirectory from) target)))
> - (function (lambda (from) target)))
> - marker-char))))
> ;; Read arguments for a marked-files command that wants a file name,
> ;; perhaps popping up the list of marked files.
> diff --git a/lisp/files.el b/lisp/files.el
> index 7ac88f8..d896020 100644
> --- a/lisp/files.el
> +++ b/lisp/files.el
> @@ -4723,23 +4723,21 @@ If RECURSIVE is non-nil, all files in DIRECTORY are deleted as well."
> directory 'full directory-files-no-dot-files-regexp)))
> (delete-directory-internal directory)))))
> -(defun copy-directory (directory newname &optional keep-time
> - parents copy-as-subdir)
> +(defun copy-directory (directory newname &optional keep-time parents)
> "Copy DIRECTORY to NEWNAME. Both args must be strings.
> +If NEWNAME names an existing directory, copy DIRECTORY as subdirectory there.
> +
> This function always sets the file modes of the output files to match
> the corresponding input file.
> The third arg KEEP-TIME non-nil means give the output files the same
> last-modified time as the old ones. (This works on only some systems.)
> -A prefix arg makes KEEP-TIME non-nil.
> -Optional arg PARENTS says whether to create parent directories if
> -they don't exist. When called interactively, PARENTS is t.
> +A prefix arg makes KEEP-TIME non-nil.
> -When NEWNAME is an existing directory, copy DIRECTORY into a
> -subdirectory of NEWNAME if optional arg COPY-AS-SUBDIR is
> -non-nil, otherwise copy the contents of DIRECTORY into NEWNAME.
> -When called interactively, copy into a subdirectory by default."
> +Noninteractively, the last argument PARENTS says whether to
> +create parent directories if they don't exist. Interactively,
> +this happens by default."
> (interactive
> (let ((dir (read-directory-name
> "Copy directory: " default-directory default-directory t nil)))
> @@ -4747,7 +4745,7 @@ When called interactively, copy into a subdirectory by default."
> (read-file-name
> (format "Copy directory %s to: " dir)
> default-directory default-directory nil nil)
> - current-prefix-arg t t)))
> + current-prefix-arg t)))
> ;; If default-directory is a remote directory, make sure we find its
> ;; copy-directory handler.
> (let ((handler (or (find-file-name-handler directory 'copy-directory)
> @@ -4759,17 +4757,12 @@ When called interactively, copy into a subdirectory by default."
> (setq directory (directory-file-name (expand-file-name directory))
> newname (directory-file-name (expand-file-name newname)))
> - (unless (file-directory-p directory)
> - (error "%s is not a directory" directory))
> -
> - (cond
> - ((not (file-directory-p newname))
> - ;; If NEWNAME is not an existing directory, create it;
> - ;; that is where we will copy the files of DIRECTORY.
> - (make-directory newname parents))
> - (copy-as-subdir
> - ;; If NEWNAME is an existing directory, and we are copying as
> - ;; a subdirectory, the target is NEWNAME/[DIRECTORY-BASENAME].
> + (if (not (file-directory-p newname))
> + ;; If NEWNAME is not an existing directory, create it; that
> + ;; is where we will copy the files of DIRECTORY.
> + (make-directory newname parents)
> + ;; If NEWNAME is an existing directory, we will copy into
> + ;; NEWNAME/[DIRECTORY-BASENAME].
> (setq newname (expand-file-name
> (file-name-nondirectory
> (directory-file-name directory))
> @@ -4778,22 +4771,20 @@ When called interactively, copy into a subdirectory by default."
> (not (file-directory-p newname))
> (error "Cannot overwrite non-directory %s with a directory"
> newname))
> - (make-directory newname t)))
> + (make-directory newname t))
> ;; Copy recursively.
> (dolist (file
> ;; We do not want to copy "." and "..".
> (directory-files directory 'full
> directory-files-no-dot-files-regexp))
> - (let ((target (expand-file-name
> - (file-name-nondirectory file) newname))
> - (attrs (file-attributes file)))
> - (cond ((file-directory-p file)
> - (copy-directory file target keep-time parents nil))
> - ((stringp (car attrs)) ; Symbolic link
> - (make-symbolic-link (car attrs) target t))
> - (t
> - (copy-file file target t keep-time)))))
> + (if (file-directory-p file)
> + (copy-directory file newname keep-time parents)
> + (let ((target (expand-file-name (file-name-nondirectory file) newname))
> + (attrs (file-attributes file)))
> + (if (stringp (car attrs)) ; Symbolic link
> + (make-symbolic-link (car attrs) target t)
> + (copy-file file target t keep-time)))))
> ;; Set directory attributes.
> (set-file-modes newname (file-modes directory))
> --
> A+ Thierry
> Get my Gnupg key:
> gpg --keyserver pgp.mit.edu --recv-keys 59F29997
next parent reply other threads:[~2011-02-09 16:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87mxm7wnk2.fsf@gmail.com>
[not found] ` <jwv7hdbtdip.fsf-monnier+emacs@gnu.org>
[not found] ` <87mxm7c9ut.fsf@gmail.com>
[not found] ` <jwvmxm6z56k.fsf-monnier+emacs@gnu.org>
[not found] ` <87r5bh2sf8.fsf@gmail.com>
2011-02-09 16:42 ` Stefan Monnier [this message]
2011-02-09 17:55 ` patch-copy-dir-with-stefan-changes Thierry Volpiatto
2011-02-10 8:38 ` patch-copy-dir-with-stefan-changes Michael Albinus
2011-02-10 15:49 ` patch-copy-dir-with-stefan-changes Chong Yidong
2011-02-10 16:18 ` patch-copy-dir-with-stefan-changes Michael Albinus
2011-02-11 23:47 ` patch-copy-dir-with-stefan-changes Chong Yidong
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