emacs-prelude/prelude/prelude-packages.el

114 lines
4.1 KiB
EmacsLisp

;;; prelude-packages.el --- Emacs Prelude: default package selection.
;;
;; Copyright (c) 2011-2012 Bozhidar Batsov
;;
;; Author: Bozhidar Batsov <bozhidar@batsov.com>
;; URL: http://batsov.com/emacs-prelude
;; Version: 1.0.0
;; Keywords: convenience
;; This file is not part of GNU Emacs.
;;; Commentary:
;; Takes care of the automatic installation of all the packages required by
;; Emacs Prelude.
;;; 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
;; of the License, 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
;; 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:
(require 'cl)
(require 'package)
(add-to-list 'package-archives
'("melpa" . "http://melpa.milkbox.net/packages/") t)
(package-initialize)
;; required because of a package.el bug
(setq url-http-attempt-keepalives nil)
(defvar prelude-packages
'(ack-and-a-half expand-region gist guru-mode helm helm-projectile magit magithub melpa
rainbow-mode volatile-highlights yasnippet zenburn-theme)
"A list of packages to ensure are installed at launch.")
(defun prelude-packages-installed-p ()
(loop for p in prelude-packages
when (not (package-installed-p p)) do (return nil)
finally (return t)))
(defun prelude-install-packages ()
(unless (prelude-packages-installed-p)
;; check for new packages (package versions)
(message "%s" "Emacs Prelude is now refreshing its package database...")
(package-refresh-contents)
(message "%s" " done.")
;; install the missing packages
(dolist (p prelude-packages)
(unless (package-installed-p p)
(package-install p)))))
(prelude-install-packages)
(defmacro prelude-auto-install (extension package mode)
`(add-to-list 'auto-mode-alist
`(,extension . (lambda ()
(package-install ',package)
(,mode)))))
(defvar prelude-auto-install-alist
'(("\\.clj\\'" prelude-clojure clojure-mode)
("\\.coffee\\'" prelude-coffee coffee-mode)
("\\.css\\'" prelude-css css-mode)
("\\.el\\'" prelude-emacs-lisp emacs-lisp-mode)
("\\.erl\\'" erlang erlang-mode)
("\\.feature\\'" feature-mode feature-mode)
("\\.groovy\\'" groovy-mode groovy-mode)
("\\.haml\\'" haml-mode haml-mode)
("\\.hs\\'" prelude-haskell haskell-mode)
("\\.js\\'" prelude-js js-mode)
("\\.latex\\'" prelude-latex LaTeX-mode)
("\\.less\\'" less-css-mode less-css-mode)
("\\.lisp\\'" prelude-common-lisp lisp-mode)
("\\.lua\\'" lua-mode lua-mode)
("\\.markdown\\'" markdown-mode markdown-mode)
("\\.md\\'" markdown-mode markdown-mode)
("\\.php\\'" php-mode php-mode)
("\\.pl\\'" prelude-perl cperl-mode)
("\\.py\\'" python python-mode)
("\\.rb\\'" prelude-ruby ruby-mode)
("\\.sass\\'" sass-mode sass-mode)
("\\.scm\\'" prelude-scheme scheme-mode)
("\\.scss\\'" prelude-scss scss-mode)
("\\.xml\\'" prelude-xml nxml-mode)
("\\.yml\\'" yaml-mode yaml-mode)))
;; markdown-mode doesn't have autoloads for the auto-mode-alist
;; so we add them manually if it's already installed
(when (package-installed-p 'markdown-mode)
(add-to-list 'auto-mode-alist '("\\.markdown\\'" . markdown-mode))
(add-to-list 'auto-mode-alist '("\\.md\\'" . markdown-mode)))
(dolist (entry prelude-auto-install-alist)
(let ((extension (first entry))
(package (second entry))
(mode (third entry)))
(unless (package-installed-p package)
(prelude-auto-install extension package mode))))
(provide 'prelude-packages)
;;; prelude-packages.el ends here