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Diffstat (limited to 'emacs/elisp/package-install.el')
| -rw-r--r-- | emacs/elisp/package-install.el | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/emacs/elisp/package-install.el b/emacs/elisp/package-install.el new file mode 100644 index 0000000..f4ac976 --- /dev/null +++ b/emacs/elisp/package-install.el @@ -0,0 +1,129 @@ +;;; package-install.el --- auto-installer for package.el + +;; Copyright (C) 2007, 2008 Tom Tromey <tromey@redhat.com> + +;; This file is not (yet) part of GNU Emacs. +;; However, it is distributed under the same license. + +;; GNU Emacs 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 2, or (at your option) +;; any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; 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. + +;; Code: + +;;; We don't want to define anything global here, so no defuns or +;;; defvars. + +;; Some values we need, copied from package.el, but with different +;; names. +(let ((my-archive-base "http://tromey.com/elpa/") + (my-user-dir (expand-file-name "~/.emacs.d/elpa"))) + + (require 'pp) + (let ((download + (lambda (url) + (if (fboundp 'url-retrieve-synchronously) + ;; Use URL to download. + (let ((buffer (url-retrieve-synchronously url))) + (save-excursion + (set-buffer buffer) + (goto-char (point-min)) + (re-search-forward "^$" nil 'move) + (forward-char) + (delete-region (point-min) (point)) + buffer)) + ;; Use wget to download. + (save-excursion + (with-current-buffer + (get-buffer-create + (generate-new-buffer-name " *Download*")) + (shell-command (concat "wget -q -O- " url) + (current-buffer)) + (goto-char (point-min)) + (current-buffer))))))) + + ;; Make the ELPA directory. + (make-directory my-user-dir t) + + ;; Download package.el and put it in the user dir. + (let ((pkg-buffer (funcall download (concat my-archive-base "package.el")))) + (save-excursion + (set-buffer pkg-buffer) + (setq buffer-file-name + (concat (file-name-as-directory my-user-dir) + "package.el")) + (save-buffer) + (kill-buffer pkg-buffer))) + + ;; Load package.el. + (load (expand-file-name "~/.emacs.d/elpa/package.el")) + + ;; Download URL package if we need it. + (unless (fboundp 'url-retrieve-synchronously) + ;; Note that we don't name the symbol "url-version", as that + ;; will cause us not to define the real url-version when + ;; url-vars is loaded, which in turn will cause errors later. + ;; Thanks to Tom Breton for this subtlety. + (let* ((the-version "1.15") + (pkg-buffer (funcall download (concat my-archive-base + "url-" the-version ".tar")))) + (save-excursion + (set-buffer pkg-buffer) + (package-unpack 'url the-version) + (kill-buffer pkg-buffer)))) + + ;; Arrange to load package.el at startup. + ;; Partly copied from custom-save-all. + + + (let ((filename (or user-init-file + (and (yes-or-no-p "You have no user-init-file, probably because Emacs was started with -q. Use ~/.emacs? ") + (convert-standard-filename "~/.emacs")))) + (magic (pp-to-string + '(when (load (expand-file-name "~/.emacs.d/elpa/package.el")) + (package-initialize))))) + (if (not filename) + (warn (concat "Cannot automatically activate package.el after reboot.\n" + "Please append the following code to your .emacs manually:\n" + "%s") magic) + (let ((old-buffer (find-buffer-visiting filename))) + (with-current-buffer (let ((find-file-visit-truename t)) + (or old-buffer (find-file-noselect filename))) + (unless (eq major-mode 'emacs-lisp-mode) + (emacs-lisp-mode)) + (let ((inhibit-read-only t)) + (save-excursion + (goto-char (point-max)) + (newline (if (bolp) 2 1)) + (insert ";;; This was installed by package-install.el.\n") + (insert ";;; This provides support for the package system and\n") + (insert ";;; interfacing with ELPA, the package archive.\n") + (insert ";;; Move this code earlier if you want to reference\n") + (insert ";;; packages in your .emacs.\n") + (insert magic))) + (let ((file-precious-flag t)) + (save-buffer)) + (unless old-buffer + (kill-buffer (current-buffer))))))) + + ;; Start the package manager. + (package-initialize) + + ;; Read package archive to give the user a nice initial + ;; experience. FIXME: this doesn't work, at least squid gave a + ;; weird error when I tried it :( + ;; (package-refresh-contents) + )) + +;;; package-install.el ends here |