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bug#25942: 26.0.50; dired-mark-extension prepend '.' to suffix if not pr


From: Tino Calancha
Subject: bug#25942: 26.0.50; dired-mark-extension prepend '.' to suffix if not present
Date: Fri, 31 Mar 2017 17:34:26 +0900
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

Tino Calancha <address@hidden> writes:

Pushed patch into master branch as commit:
1da9a207669a3cf5d27ac1dd61543c1492e05360

> Juri Linkov <address@hidden> writes:
>> There is a special section in etc/NEWS for Incompatible Changes
>> that would be a more likely place to find this change.
> That's right.  Thanks.
> Here is the updated patch:
>
>>From 268eae94cdaf43bfd44c3b8d5cb74a32d26556c3 Mon Sep 17 00:00:00 2001
> From: Tino Calancha <address@hidden>
> Date: Tue, 28 Mar 2017 10:18:59 +0900
> Subject: [PATCH] dired-mark-suffix: New command
>
> Now dired-mark-extension prepends '.' to extension when not present.
> Add command dired-mark-suffix to preserve the previous
> behaviour (Bug#25942).
> * lisp/dired-x.el (dired-mark-suffix): New command;
> mark files ending in a given suffix.
> (dired--mark-suffix-interactive-spec): New defun.
> (dired-mark-extension, dired-mark-suffix): Use it.
> * doc/misc/dired-x.texi (Advanced Mark Commands): Update manual.
> * test/lisp/dired-x-tests.el: New test suite; add test for these features.
> ; * etc/NEWS (Incompatible Lisp Changes in Emacs 26.1):
> ; Mention these changes.
> ---
>  doc/misc/dired-x.texi      | 18 ++++++++--
>  etc/NEWS                   |  7 ++--
>  lisp/dired-x.el            | 85 
> ++++++++++++++++++++++++++++++----------------
>  test/lisp/dired-x-tests.el | 48 ++++++++++++++++++++++++++
>  4 files changed, 124 insertions(+), 34 deletions(-)
>  create mode 100644 test/lisp/dired-x-tests.el
>
> diff --git a/doc/misc/dired-x.texi b/doc/misc/dired-x.texi
> index 1e6f4b03bb..bf103256f2 100644
> --- a/doc/misc/dired-x.texi
> +++ b/doc/misc/dired-x.texi
> @@ -721,15 +721,27 @@ Advanced Mark Commands
>  @item dired-mark-extension
>  @findex dired-mark-extension
>  Mark all files with a certain extension for use in later commands.  A 
> @samp{.}
> -is not automatically prepended to the string entered, you must type it
> -explicitly.
> -If invoked with prefix argument @kbd{C-u}, this command unmark files instead.
> +is automatically prepended to the string entered when not present.
> +If invoked with prefix argument @kbd{C-u}, this command unmarks files 
> instead.
>  If called with the @kbd{C-u C-u} prefix, asks for a character to use
>  as the marker, and marks files with it.
>  
>  When called from Lisp, @var{extension} may also be a list of extensions
>  and an optional argument @var{marker-char} specifies the marker used.
>  
> address@hidden dired-mark-suffix
> address@hidden dired-mark-suffix
> +Mark all files with a certain suffix for use in later commands.  A @samp{.}
> +is not automatically prepended to the string entered, you must type it
> +explicitly.  This is different from @var{dired-mark-extension} which prepends
> +a @samp{.} if not present.
> +If invoked with prefix argument @kbd{C-u}, this command unmarks files 
> instead.
> +If called with the @kbd{C-u C-u} prefix, asks for a character to use
> +as the marker, and marks files with it.
> +
> +When called from Lisp, @var{suffix} may also be a list of suffixes
> +and an optional argument @var{marker-char} specifies the marker used.
> +
>  @item dired-flag-extension
>  @findex dired-flag-extension
>  Flag all files with a certain extension for deletion.  A @samp{.} is
> diff --git a/etc/NEWS b/etc/NEWS
> index cd98f53399..bfd7d2bd32 100644
> --- a/etc/NEWS
> +++ b/etc/NEWS
> @@ -471,8 +471,6 @@ where to place point after C-c M-r and C-c M-s.
>  ---
>  *** Messages from CMake are now recognized.
>  
> -** Dired
> -
>  +++
>  *** A new option 'dired-always-read-filesystem' default to nil.
>  If non-nil, buffers visiting files are reverted before search them;
> @@ -759,6 +757,11 @@ processes on exit.
>  * Incompatible Lisp Changes in Emacs 26.1
>  
>  +++
> +*** Command 'dired-mark-extension' now automatically prepends a '.' to the
> +extension when not present.  The new command 'dired-mark-suffix' behaves
> +similarly but it doesn't prepend a '.'.
> +
> ++++
>  ** Certain cond/pcase/cl-case forms are now compiled using a faster jump
>  table implementation. This uses a new bytecode op `switch', which isn't
>  compatible with previous Emacs versions. This functionality can be disabled
> diff --git a/lisp/dired-x.el b/lisp/dired-x.el
> index 6c8fb0e7da..527685acf3 100644
> --- a/lisp/dired-x.el
> +++ b/lisp/dired-x.el
> @@ -332,46 +332,73 @@ dired-extra-startup
>  
>  ;;; EXTENSION MARKING FUNCTIONS.
>  
> +(defun dired--mark-suffix-interactive-spec ()
> +  (let* ((default
> +           (let ((file (dired-get-filename nil t)))
> +             (when file
> +               (file-name-extension file))))
> +         (suffix
> +          (read-string (format "%s extension%s: "
> +                               (if (equal current-prefix-arg '(4))
> +                                   "UNmarking"
> +                                 "Marking")
> +                               (if default
> +                                   (format " (default %s)" default)
> +                                 "")) nil nil default))
> +         (marker
> +          (pcase current-prefix-arg
> +            ('(4) ?\s)
> +            ('(16)
> +             (let* ((dflt (char-to-string dired-marker-char))
> +                    (input (read-string
> +                            (format
> +                             "Marker character to use (default %s): " dflt)
> +                            nil nil dflt)))
> +               (aref input 0)))
> +            (_ dired-marker-char))))
> +    (list suffix marker)))
> +
>  ;; Mark files with some extension.
>  (defun dired-mark-extension (extension &optional marker-char)
>    "Mark all files with a certain EXTENSION for use in later commands.
> -A `.' is *not* automatically prepended to the string entered.
> +A `.' is automatically prepended to EXTENSION when not present.
>  EXTENSION may also be a list of extensions instead of a single one.
>  Optional MARKER-CHAR is marker to use.
>  Interactively, ask for EXTENSION.
>  Prefixed with one C-u, unmark files instead.
>  Prefixed with two C-u's, prompt for MARKER-CHAR and mark files with it."
> -  (interactive
> -   (let* ((default
> -            (let ((file (dired-get-filename nil t)))
> -              (when file
> -                (file-name-extension file))))
> -          (suffix
> -           (read-string (format "%s extension%s: "
> -                                (if (equal current-prefix-arg '(4))
> -                                    "UNmarking"
> -                                  "Marking")
> -                                (if default
> -                                    (format " (default %s)" default)
> -                                  "")) nil nil default))
> -          (marker
> -           (pcase current-prefix-arg
> -             ('(4) ?\s)
> -             ('(16)
> -              (let* ((dflt (char-to-string dired-marker-char))
> -                     (input (read-string
> -                             (format
> -                              "Marker character to use (default %s): " dflt)
> -                             nil nil dflt)))
> -                (aref input 0)))
> -             (_ dired-marker-char))))
> -     (list suffix marker)))
> -  (or (listp extension)
> -      (setq extension (list extension)))
> +  (interactive (dired--mark-suffix-interactive-spec))
> +  (unless (listp extension)
> +    (setq extension (list extension)))
> +  (dired-mark-files-regexp
> +   (concat ".";; don't match names with nothing but an extension
> +           "\\("
> +           (mapconcat
> +            (lambda (x)
> +              (regexp-quote
> +               (if (string-prefix-p "." x) x (concat "." x))))
> +            extension "\\|")
> +           "\\)$")
> +   marker-char))
> +
> +;; Mark files ending with some suffix.
> +(defun dired-mark-suffix (suffix &optional marker-char)
> +  "Mark all files with a certain SUFFIX for use in later commands.
> +A `.' is *not* automatically prepended to the string entered;  see
> +also `dired-mark-extension', which is similar but automatically
> +prepends `.' when not present.
> +SUFFIX may also be a list of suffixes instead of a single one.
> +Optional MARKER-CHAR is marker to use.
> +Interactively, ask for SUFFIX.
> +Prefixed with one C-u, unmark files instead.
> +Prefixed with two C-u's, prompt for MARKER-CHAR and mark files with it."
> +  (interactive (dired--mark-suffix-interactive-spec))
> +  (unless (listp suffix)
> +    (setq suffix (list suffix)))
>    (dired-mark-files-regexp
>     (concat ".";; don't match names with nothing but an extension
>             "\\("
> -           (mapconcat 'regexp-quote extension "\\|")
> +           (mapconcat 'regexp-quote suffix "\\|")
>             "\\)$")
>     marker-char))
>  
> diff --git a/test/lisp/dired-x-tests.el b/test/lisp/dired-x-tests.el
> new file mode 100644
> index 0000000000..b11c440834
> --- /dev/null
> +++ b/test/lisp/dired-x-tests.el
> @@ -0,0 +1,48 @@
> +;;; dired-x-tests.el --- Test suite for dired-x. -*- lexical-binding: t -*-
> +
> +;; Copyright (C) 2017 Free Software Foundation, Inc.
> +
> +;; This file is part of GNU Emacs.
> +
> +;; 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 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
> +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +;; GNU General Public License for more details.
> +
> +;; You should have received a copy of the GNU General Public License
> +;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
> +
> +;;; Code:
> +(require 'ert)
> +(require 'dired-x)
> +
> +
> +(ert-deftest dired-test-bug25942 ()
> +  "Test for http://debbugs.gnu.org/25942 ."
> +  (let ((dirs '("Public" "Music"))
> +        (files '(".bashrc" "bar.c" "foo.c" "c" ".c"))
> +        (dir (make-temp-file "Bug25942" 'dir))
> +        (extension "c"))
> +    (unwind-protect
> +        (progn
> +          (dolist (d dirs)
> +            (make-directory (expand-file-name d dir)))
> +          (dolist (f files)
> +            (write-region nil nil (expand-file-name f dir)))
> +          (dired dir)
> +          (dired-mark-extension extension)
> +          (should (= (length '("foo.c" "bar.c"))
> +                     (length (dired-get-marked-files))))
> +          (dired-unmark-all-marks)
> +          (dired-mark-suffix extension)
> +          (should (= (length (delete "c" (append dirs files)))
> +                     (length (dired-get-marked-files)))))
> +      (delete-directory dir 'recursive))))
> +
> +(provide 'dired-x-tests)
> +;; dired-x-tests.el ends here





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