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;;; dired-rmjunk.el --- A home directory cleanup utility for Dired. -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Jakob L. Kreuze
;; Author: Jakob L. Kreuze <zerodaysfordays@sdf.lonestar.org>
;; Version: 1.0
;; Package-Requires (cl-lib dired)
;; Keywords: files matching
;; URL: https://git.sr.ht/~jakob/dired-rmjunk
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; dired-rmjunk is a port of Jakub Klinkovský's home directory cleanup tool to
;; Dired. The interactive function, `dired-rmjunk' will mark all files in the
;; current Dired buffer that match one of the patterns specified in
;; `dired-rmjunk-patterns'. The tool is intended as a simple means for
;; keeping one's home directory tidy -- removing "junk" dotfiles.
;; The script that this is based on can be found at:
;; <https://github.com/lahwaacz/Scripts/blob/master/rmshit.py>
;;; Code:
(defgroup dired-rmjunk ()
"Remove junk files with dired."
:group 'dired)
(defcustom dired-rmjunk-patterns
'(".adobe" ".macromedia" ".recently-used"
".local/share/recently-used.xbel" "Desktop" ".thumbnails" ".gconfd"
".gconf" ".local/share/gegl-0.2" ".FRD/log/app.log" ".FRD/links.txt"
".objectdb" ".gstreamer-0.10" ".pulse" ".esd_auth" ".config/enchant"
".spicec" ".dropbox-dist" ".parallel" ".dbus" "ca2" "ca2~"
".distlib" ".bazaar" ".bzr.log" ".nv" ".viminfo" ".npm" ".java"
".oracle_jre_usage" ".jssc" ".tox" ".pylint.d" ".qute_test"
".QtWebEngineProcess" ".qutebrowser" ".asy" ".cmake" ".gnome"
"unison.log" ".texlive" ".w3m" ".subversion" "nvvp_workspace")
"Default list of files to remove. Current as of f707d92."
:type '(list string))
;;;###autoload
(defun dired-rmjunk ()
"Mark all junk files in the current dired buffer.
'Junk' is defined to be any file with a name matching one of the
patterns in `dired-rmjunk-patterns'."
(interactive)
(when (eq major-mode 'dired-mode)
(save-excursion
(let ((files-marked-count 0))
(dolist (file (directory-files dired-directory))
(dolist (pattern dired-rmjunk-patterns)
(when (or (and (not (dired-rmjunk--dir-name pattern))
(string-match pattern file))
(and (dired-rmjunk--dir-name pattern)
(string-match (dired-rmjunk--dir-name pattern)
(dired-current-directory))
(string-match (dired-rmjunk--file-name pattern) file)))
(setq files-marked-count (1+ files-marked-count))
(dired-goto-file (concat (expand-file-name dired-directory) file))
(dired-flag-file-deletion 1))))
(message (if (zerop files-marked-count)
"No junk files found :)"
"Junk files marked."))))))
(defun dired-rmjunk--dir-name (path)
"Return the directory portion of PATH, or `nil' if the path
does not contain a directory component."
(let ((split-offset (cl-position ?\/ path :from-end t)))
(if split-offset
(cl-subseq path 0 (1+ split-offset)))))
(ert-deftest dired-rmjunk-test-dir-name ()
(should (equal (dired-rmjunk--dir-name ".FRD/links.txt")
".FRD/"))
(should (equal (dired-rmjunk--dir-name ".local/share/recently-used.xbel")
".local/share/"))
(should (equal (dired-rmjunk--dir-name ".asy")
nil)))
(defun dired-rmjunk--file-name (path)
"Return the file-name portion of PATH."
(let ((split-offset (cl-position ?\/ path :from-end t)))
(if split-offset
(cl-subseq path (1+ split-offset))
;; If there's no directory component, `path' IS the file-name!
path)))
(ert-deftest dired-rmjunk-test-file-name ()
(should (equal (dired-rmjunk--file-name ".FRD/links.txt")
"links.txt"))
(should (equal (dired-rmjunk--file-name ".local/share/recently-used.xbel")
"recently-used.xbel"))
(should (equal (dired-rmjunk--file-name ".asy")
".asy")))
(provide 'dired-rmjunk)
;;; dired-rmjunk.el ends here
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