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bc511a64f6
Most of this change is to boilerplate commentary such as license URLs. This change was prompted by ftp://ftp.gnu.org's going-away party, planned for November. Change these FTP URLs to https://ftp.gnu.org instead. Make similar changes for URLs to other organizations moving away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and fsf.org when this works, as this will further help defend against man-in-the-middle attacks (for this part I omitted the MS-DOS and MS-Windows sources and the test tarballs to keep the workload down). HTTPS is not fully working to lists.gnu.org so I left those URLs alone for now.
93 lines
3.1 KiB
EmacsLisp
93 lines
3.1 KiB
EmacsLisp
;;; em-banner.el --- sample module that displays a login banner -*- lexical-binding:t -*-
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;; Copyright (C) 1999-2017 Free Software Foundation, Inc.
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;; Author: John Wiegley <johnw@gnu.org>
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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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;; There is nothing to be done or configured in order to use this
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;; module, other than to select it by customizing the variable
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;; `eshell-modules-list'. It will then display a version information
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;; message whenever Eshell is loaded.
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;;
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;; This code is only an example of a how to write a well-formed
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;; extension module for Eshell. The better way to display login text
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;; is to use the `eshell-script' module, and to echo the desired
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;; strings from the user's `eshell-login-script' file.
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;;
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;; There is one configuration variable, which demonstrates how to
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;; properly define a customization variable in an extension module.
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;; In this case, it allows the user to change the string which
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;; displays at login time.
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;;; Code:
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(eval-when-compile
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(require 'cl-lib))
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(require 'esh-util)
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(require 'esh-mode)
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(require 'eshell)
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;;;###autoload
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(progn
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(defgroup eshell-banner nil
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"This sample module displays a welcome banner at login.
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It exists so that others wishing to create their own Eshell extension
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modules may have a simple template to begin with."
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:tag "Login banner"
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;; :link '(info-link "(eshell)Login banner")
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:group 'eshell-module))
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;;; User Variables:
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(defcustom eshell-banner-message "Welcome to the Emacs shell\n\n"
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"The banner message to be displayed when Eshell is loaded.
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This can be any sexp, and should end with at least two newlines."
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:type 'sexp
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:group 'eshell-banner)
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(put 'eshell-banner-message 'risky-local-variable t)
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(defcustom eshell-banner-load-hook nil
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"A list of functions to run when `eshell-banner' is loaded."
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:version "24.1" ; removed eshell-banner-initialize
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:type 'hook
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:group 'eshell-banner)
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(defun eshell-banner-initialize ()
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"Output a welcome banner on initialization."
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;; it's important to use `eshell-interactive-print' rather than
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;; `insert', because `insert' doesn't know how to interact with the
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;; I/O code used by Eshell
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(unless eshell-non-interactive-p
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(cl-assert eshell-mode)
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(cl-assert eshell-banner-message)
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(let ((msg (eval eshell-banner-message)))
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(cl-assert msg)
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(eshell-interactive-print msg))))
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(provide 'em-banner)
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;; Local Variables:
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;; generated-autoload-file: "esh-groups.el"
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;; End:
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;;; em-banner.el ends here
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