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+;;; org-track.el --- Track the most recent Org-mode version available.
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+;;
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+;; Copyright (C) 2009
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+;; Free Software Foundation, Inc.
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+;;
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+;; Author: Bastien Guerry <bzg at altern dot org>
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+;; Eric S Fraga <e.fraga at ucl.ac dot uk>
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+;; Sebastian Rose <sebastian_rose at gmx dot de>
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+;; The Worg people http://orgmode.org/worg/
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+;; Keywords: outlines, hypermedia, calendar, wp
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+;; Homepage: http://orgmode.org
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+;; Version: 6.29a
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+;;
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+;; Released under the GNU General Public License version 3
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+;; see: http://www.gnu.org/licenses/gpl-3.0.html
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+;;
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+;; This file is part of GNU Emacs.
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+;;
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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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+
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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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+
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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 <http://www.gnu.org/licenses/>.
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+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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+;;
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+;;; Commentary:
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+;;
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+;; Download the latest development tarball, unpack and optionally compile it
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+;;
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+;; Usage:
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+;;
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+;; (require 'org-track)
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+;;
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+;; ;; ... somewhere in your setup (use customize):
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+;;
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+;; (setq org-track-directory "~/test/")
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+;; (setq org-track-compile-sources nil)
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+;; (setq org-track-remove-package t)
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+;;
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+;; M-x org-track-update RET
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+
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+
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+
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+(require 'url-parse)
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+(require 'url-handlers)
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+(autoload 'url-file-local-copy "url-handlers")
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+(autoload 'url-generic-parse-url "url-parse")
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+
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+
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+
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+
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+
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+;;; Variables:
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+
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+(defgroup org-track nil
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+ "Track the most recent Org-mode version available.
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+
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+To use org-track, adjust `org-track-directory'.
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+Org will download the archived latest git version for you,
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+unpack it into that directory (i.e. a subdirectory
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+`org-mode/' is added), create the autoloads file
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+`org-install.el' for you and, optionally, compile the
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+sources.
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+All you'll have to do is call `M-x org-track-update' from
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+time to time."
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+ :version "22.1"
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+ :group 'org)
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+
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+(defcustom org-track-directory "~/.emacs.d/org/lisp"
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+ "Directory where your org-mode/ directory lives.
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+If that directory does not exist, it will be created."
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+ :type 'directory)
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+
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+(defcustom org-track-compile-sources t
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+ "If `nil', never compile org-sources.
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+Org will only create the autoloads file `org-install.el' for
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+you then. If `t', compile the sources, too.
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+Note, that emacs preferes compiled elisp files over
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+non-compiled ones."
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+ :type 'boolean)
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+
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+(defcustom org-track-org-url "http://orgmode.org/"
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+ "The URL where the package to download can be found.
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+Please append a slash."
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+ :type 'string)
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+
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+(defcustom org-track-org-package "org-latest.tar.gz"
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+ "The basename of the package you use.
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+Defaults to the development version of Org-mode.
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+This should be a *.tar.gz package, since emacs provides all
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+you need to unpack it."
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+ :type 'string)
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+
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+(defcustom org-track-remove-package nil
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+ "Remove org-latest.tar.gz after updates?"
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+ :type 'boolean)
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+
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+
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+
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+
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+
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+;;; Frontend
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+
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+(defun org-track-update ()
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+ "Update to current Org-mode version.
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+Also, generate autoloads and evtl. compile the sources."
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+ (interactive)
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+ (let* ((base (file-truename org-track-directory))
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+ (org-exists (file-exists-p
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+ (file-truename
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+ (concat base "/org-mode/lisp/org.el"))))
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+ (nobase (not (file-directory-p
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+ (file-truename org-track-directory)))))
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+ (if nobase
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+ (when (y-or-n-p
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+ (format "Directory %s does not exist. Create it?" base))
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+ (make-directory base t)
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+ (setq nobase nil)))
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+ (if nobase
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+ (message "Not creating %s - giving up." org-track-directory)
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+ (condition-case err
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+ (progn
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+ (org-track-fetch-package)
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+ (org-track-compile-org))
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+ (error (message "%s" (error-message-string err)))))))
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+
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+
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+
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+
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+;;; tar related functions
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+
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+;; `url-retrieve-synchronously' fetches files synchronously. How can we ensure
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+;; that? If the maintainers of that package decide, that an assynchronous
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+;; download might be better??? (used by `url-file-local-copy')
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+
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+;;;###autoload
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+(defun org-track-fetch-package (&optional directory)
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+ "Fetch Org package depending on `org-track-fetch-package-extension'.
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+If DIRECTORY is defined, unpack the package there, i.e. add the
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+subdirectory org-mode/ to DIRECTORY."
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+ (interactive "Dorg-track directory: ")
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+ (let* ((pack (concat
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+ (if (string-match "/$" org-track-org-url)
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+ org-track-org-url
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+ (concat org-track-org-url "/"))
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+ org-track-org-package))
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+ (base (file-truename
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+ (or directory org-track-directory)))
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+ (target (file-truename
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+ (concat base "/" org-track-org-package)))
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+ url download tarbuff)
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+ (message "Fetching to %s - this might take some time..." base)
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+ (setq url (url-generic-parse-url pack))
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+ (setq download (url-file-local-copy url)) ;; errors if fail
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+ (copy-file download target t)
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+ (delete-file download)
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+ ;; (tar-mode) leads to dubious errors. We use the auto-mode-alist to
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+ ;; ensure tar-mode is used:
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+ (add-to-list 'auto-mode-alist '("org-latest\\.tar\\.gz\\'" . tar-mode))
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+ (setq tarbuff (find-file target))
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+ (with-current-buffer tarbuff ;; with-temp-buffer does not work with tar-mode??
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+ (tar-untar-buffer))
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+ (kill-buffer tarbuff)
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+ (if org-track-remove-package
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+ (delete-file target))))
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+
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+
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+
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+
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+;;; Compile Org-mode sources
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+
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+
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+;;;###autoload
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+(defun org-track-compile-org (&optional directory)
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+ "Compile all *.el files that come with org-mode.
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+Generate the autoloads file `org-install.el'.
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+
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+DIRECTORY is where the directory org-mode/ lives (i.e. the
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+ parent directory of your local repo."
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+ (interactive)
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+ ;; file-truename expands the filename and removes double slash, if exists:
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+ (setq directory (file-truename
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+ (concat
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+ (or directory
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+ (file-truename (concat org-track-directory "/org-mode/lisp")))
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+ "/")))
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+ (add-to-list 'load-path directory)
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+ (let ((list-of-org-files (file-expand-wildcards (concat directory "*.el"))))
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+ ;; create the org-install file
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+ (require 'autoload)
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+ (setq esf/org-install-file (concat directory "org-install.el"))
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+ (find-file esf/org-install-file)
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+ (erase-buffer)
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+ (mapc (lambda (x)
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+ (generate-file-autoloads x))
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+ list-of-org-files)
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+ (insert "\n(provide (quote org-install))\n")
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+ (save-buffer)
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+ (kill-buffer)
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+ (byte-compile-file esf/org-install-file t)
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+
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+ (mapc (lambda (f)
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+ (if (file-exists-p (concat f "c"))
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+ (delete-file (concat f "c"))))
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+ list-of-org-files)
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+ (if org-track-compile-sources
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+ (mapc (lambda (f) (byte-compile-file f)) list-of-org-files))))
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+
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+
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+(provide 'org-track)
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+
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+;;; org-track.el ends here
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Carsten Dominik