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78 lines
3.0 KiB
78 lines
3.0 KiB
;;; keychain-environment.el --- load keychain environment variables -*- lexical-binding: t -*-
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;; Copyright (C) 2011-2018 Jonas Bernoulli
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;; Copyright (C) 2008-2011 Paul Tipper
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;; Author: Paul Tipper <bluefoo at googlemail dot com>
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;; Maintainer: Jonas Bernoulli <jonas@bernoul.li>
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;; Created: 20081218
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;; Homepage: https://github.com/tarsius/keychain-environment
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;; Keywords: gnupg, pgp, ssh
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;; This file is not part of GNU Emacs.
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;; This file 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, or (at your option)
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;; any later version.
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;; This file 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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;; For a full copy of the GNU General Public License
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;; see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Keychain is a script that manages ssh-agent and gpg-agent. It is
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;; typically run from the shell's initialization file. It allows your
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;; shells and cron jobs to share a single ssh-agent and/or gpg-agent.
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;; When keychain is run, it checks for running agent, otherwise it
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;; starts them. It saves the agents' environment variables to files
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;; inside ~/.keychain/, so that subsequent shells can source these
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;; files.
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;; When Emacs is started under X11 and not directly from a terminal
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;; these variables are not set. This library looks for these files
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;; created by keychain and then sets Emacs' environment variables
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;; accordingly. It does not actually run keychain, so you still
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;; have to run that from a login shell first.
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;; To use run the function `keychain-refresh-environment' in your
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;; init file. If keychain has not been run yet when you start Emacs
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;; you can also later call that function interactively.
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;; Also see: http://www.funtoo.org/wiki/Keychain
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;;; Code:
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;;;###autoload
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(defun keychain-refresh-environment ()
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"Set ssh-agent and gpg-agent environment variables.
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Set the environment variables `SSH_AUTH_SOCK', `SSH_AGENT_PID'
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and `GPG_AGENT' in Emacs' `process-environment' according to
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information retrieved from files created by the keychain script."
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(interactive)
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(let* ((ssh (shell-command-to-string "keychain -q --noask --agents ssh --eval"))
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(gpg (shell-command-to-string "keychain -q --noask --agents gpg --eval")))
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(list (and ssh
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(string-match "SSH_AUTH_SOCK[=\s]\\([^\s;\n]*\\)" ssh)
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(setenv "SSH_AUTH_SOCK" (match-string 1 ssh)))
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(and ssh
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(string-match "SSH_AGENT_PID[=\s]\\([0-9]*\\)?" ssh)
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(setenv "SSH_AGENT_PID" (match-string 1 ssh)))
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(and gpg
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(string-match "GPG_AGENT_INFO[=\s]\\([^\s;\n]*\\)" gpg)
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(setenv "GPG_AGENT_INFO" (match-string 1 gpg))))))
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;;; _
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(provide 'keychain-environment)
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;; Local Variables:
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;; indent-tabs-mode: nil
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;; End:
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;;; keychain-environment.el ends here
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