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;;; conspire.el --- Collaborative real-time editing
;; Copyright (C) 2008 Phil Hagelberg
;; Author: Phil Hagelberg <>
;; URL:
;; Version: 0.2
;; Created: 2008-07-22
;; Keywords: collaboration
;; This file is NOT part of GNU Emacs.
;;; License:
;; 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, 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
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Let's use git for real-time collaborative editing!
;;; Installation:
;; Copy to your .emacs.d directory and add this to your init file:
;; (autoload 'conspire-mode "conspire" "Collaborative editing" t)
;;; TODO:
;; For some reason conspire-sync-buffer only runs on cursor movement
;; Gracefully kill shell process so it can clean up
;; Don't bother with *Async Shell Command* output buffer
;; Color lines based on which conspirator wrote them?
;;; Code:
(defcustom conspire-interval 0.25
"Number of seconds to wait before syncing with conspire.")
(defcustom conspire-arguments ""
"Arguments to pass the `conspire' executable, like port, name, etc.")
(defvar conspire-timer nil
"A timer to activate conspire synchronizing.")
(defun conspire-sync-buffer ()
"Synchronize buffer with Conspire repository."
(when conspire-mode
(when (buffer-modified-p)
(shell-command (format "git add %s && git commit -m \"conspire\""
(revert-buffer nil t) ;; revert resets local variables; heh
(setq conspire-mode t)))
(define-minor-mode conspire-mode
"Toggle conspire-mode for real-time collaborative editing.
If the current buffer isn't part of a conspiracy session, a new
session will be started."
:lighter "-conspire"
(unless (file-exists-p (concat (file-name-directory buffer-file-name)
(shell-command (format "conspire %s %s >& /dev/null &"
(file-name-directory buffer-file-name)
(setq conspire-timer
(or conspire-timer
(run-with-idle-timer conspire-interval :repeat
(provide 'conspire)
;;; conspire.el ends here
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