;;; starter-kit-ruby.el --- Saner defaults and goodies for Ruby
;;
;; Copyright (c) 2008-2010 Phil Hagelberg and contributors
;;
;; Author: Phil Hagelberg <technomancy@gmail.com>
;; URL: http://www.emacswiki.org/cgi-bin/wiki/StarterKit
;; Version: 2.0.3
;; Keywords: convenience
;; Package-Requires: ((inf-ruby "2.2.3") (starter-kit "2.0.1"))
;; This file is not part of GNU Emacs.

;;; Commentary:

;; "Emacs outshines all other editing software in approximately the
;; same way that the noonday sun does the stars. It is not just bigger
;; and brighter; it simply makes everything else vanish."
;; -Neal Stephenson, "In the Beginning was the Command Line"

;; This file contains tweaks specific to Ruby.

;; This file is in need of a maintainer.

;;; 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:

;;;###autoload
(progn
  (eval-after-load 'ruby-mode
    '(progn
       ;; work around possible elpa bug
       (ignore-errors (require 'ruby-compilation))
       (setq ruby-use-encoding-map nil)
       (add-hook 'ruby-mode-hook 'inf-ruby-keys)
       (define-key ruby-mode-map (kbd "RET") 'reindent-then-newline-and-indent)
       (define-key ruby-mode-map (kbd "C-M-h") 'backward-kill-word)))

  (global-set-key (kbd "C-h S-r") 'ri)

  ;; Rake files are ruby, too, as are gemspecs, rackup files, etc.
  (add-to-list 'auto-mode-alist '("\\.rake$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.thor$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.gemspec$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.ru$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Rakefile$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Thorfile$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Gemfile$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Capfile$" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Vagrantfile$" . ruby-mode))

  ;; We never want to edit Rubinius bytecode or MacRuby binaries
  (add-to-list 'completion-ignored-extensions ".rbc")
  (add-to-list 'completion-ignored-extensions ".rbo")

;;; Rake

  (defun pcomplete/rake ()
    "Completion rules for the `ssh' command."
    (pcomplete-here (pcmpl-rake-tasks)))

  (defun pcmpl-rake-tasks ()
    "Return a list of all the rake tasks defined in the current
projects.  I know this is a hack to put all the logic in the
exec-to-string command, but it works and seems fast"
    (delq nil (mapcar '(lambda(line)
                         (if (string-match "rake \\([^ ]+\\)" line) (match-string 1 line)))
                      (split-string (shell-command-to-string "rake -T") "[\n]"))))

  (defun rake (task)
    (interactive (list (completing-read "Rake (default: default): "
                                        (pcmpl-rake-tasks))))
    (shell-command-to-string (concat "rake " (if (= 0 (length task)) "default" task))))


  ;; Clear the compilation buffer between test runs.
  (eval-after-load 'ruby-compilation
    '(progn
       (defadvice ruby-do-run-w/compilation (before kill-buffer (name cmdlist))
         (let ((comp-buffer-name (format "*%s*" name)))
           (when (get-buffer comp-buffer-name)
             (with-current-buffer comp-buffer-name
               (delete-region (point-min) (point-max))))))
       (ad-activate 'ruby-do-run-w/compilation)))

  ;; Rinari (Minor Mode for Ruby On Rails)
  (setq rinari-major-modes
        (list 'mumamo-after-change-major-mode-hook 'dired-mode-hook 'ruby-mode-hook
              'css-mode-hook 'yaml-mode-hook 'javascript-mode-hook)))

(provide 'starter-kit-ruby)
;;; starter-kit-ruby.el ends here