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4cb53c0528
* etc/NEWS: Mention 'bookmark-inhibit-context-functions'. Fix typos. * lisp/bookmark.el (bookmark-inhibit-context-functions): New defcustom. (bookmark-make-record): Use it. * lisp/auth-source-pass.el (auth-source-pass-file-name-p): * lisp/auth-source.el (auth-source-file-name-p): New defuns. Add them to `bookmark-inhibit-context-functions'. * lisp/epa-hook.el (epa-file-name-p): * lisp/net/tramp-crypt.el (tramp-crypt-file-name-p): Add them to `bookmark-inhibit-context-functions'.
125 lines
4.3 KiB
EmacsLisp
125 lines
4.3 KiB
EmacsLisp
;;; epa-hook.el --- preloaded code to enable epa-file.el -*- lexical-binding: t -*-
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;; Copyright (C) 2006-2022 Free Software Foundation, Inc.
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;; Author: Daiki Ueno <ueno@unixuser.org>
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;; Keywords: PGP, GnuPG
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;; Package: emacs
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(defgroup epa-file nil
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"The EasyPG Assistant hooks for transparent file encryption."
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:version "23.1"
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:group 'epa)
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(defun epa-file--file-name-regexp-set (variable value)
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(set-default variable value)
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(if (fboundp 'epa-file-name-regexp-update)
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(epa-file-name-regexp-update)))
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(defcustom epa-file-name-regexp (purecopy "\\.gpg\\(~\\|\\.~[0-9]+~\\)?\\'")
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"Regexp which matches filenames to be encrypted with GnuPG.
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If you set this outside Custom while epa-file is already enabled,
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you have to call `epa-file-name-regexp-update' after setting it
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to properly update `file-name-handler-alist'. Setting this
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through Custom does that automatically."
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:type 'regexp
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:group 'epa-file
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:set 'epa-file--file-name-regexp-set)
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(defcustom epa-file-inhibit-auto-save t
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"If non-nil, disable auto-saving when opening an encrypted file."
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:type 'boolean
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:group 'epa-file)
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(defvar epa-file-encrypt-to nil
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"Recipient(s) used for encrypting files.
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May either be a string or a list of strings.")
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(put 'epa-file-encrypt-to 'safe-local-variable
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(lambda (val)
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(or (stringp val)
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(and (listp val)
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(catch 'safe
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(mapc (lambda (elt)
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(unless (stringp elt)
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(throw 'safe nil)))
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val)
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t)))))
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(put 'epa-file-encrypt-to 'permanent-local t)
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(defvar epa-file-handler
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(cons epa-file-name-regexp 'epa-file-handler))
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(defvar epa-file-auto-mode-alist-entry
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(list epa-file-name-regexp nil 'epa-file))
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(defun epa-file-name-regexp-update ()
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"Update `file-name-handler-alist' after configuring outside Custom.
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After setting `epa-file-name-regexp-update' outside the Custom
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interface, update `file-name-handler-alist'."
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(interactive)
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(unless (equal (car epa-file-handler) epa-file-name-regexp)
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(setcar epa-file-handler epa-file-name-regexp)))
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(defun epa-file-find-file-hook ()
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(if (and buffer-file-name
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(string-match epa-file-name-regexp buffer-file-name)
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epa-file-inhibit-auto-save)
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(auto-save-mode 0)))
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(defun epa-file-name-p (file)
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"Say whether FILE is handled by `epa-file'."
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(and auto-encryption-mode (string-match-p epa-file-name-regexp file)))
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(with-eval-after-load 'bookmark
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(add-hook 'bookmark-inhibit-context-functions
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#'epa-file-name-p))
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(define-minor-mode auto-encryption-mode
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"Toggle automatic file encryption/decryption (Auto Encryption mode)."
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:global t :init-value t :group 'epa-file :version "23.1"
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;; We'd like to use custom-initialize-set here so the setup is done
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;; before dumping, but at the point where the defcustom is evaluated,
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;; the corresponding function isn't defined yet, so
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;; custom-initialize-set signals an error.
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:initialize 'custom-initialize-delay
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(setq file-name-handler-alist
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(delq epa-file-handler file-name-handler-alist))
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(remove-hook 'find-file-hook 'epa-file-find-file-hook)
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(setq auto-mode-alist (delq epa-file-auto-mode-alist-entry
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auto-mode-alist))
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(when auto-encryption-mode
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(setq file-name-handler-alist
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(cons epa-file-handler file-name-handler-alist))
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(add-hook 'find-file-hook 'epa-file-find-file-hook)
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(setq auto-mode-alist (cons epa-file-auto-mode-alist-entry
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auto-mode-alist))))
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(put 'epa-file-handler 'safe-magic t)
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(put 'epa-file-handler 'operations '(write-region insert-file-contents))
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(provide 'epa-hook)
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;;; epa-hook.el ends here
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