Emacs config for Rails dev

.emacs

(push "/usr/local/git/bin" exec-path)

(setq make-backup-files nil)
(setq auto-save-default nil)
(setq-default tab-width 2)
(setq-default indent-tabs-mode nil)
(setq inhibit-startup-message t)
(setq linum-format "%d ")

(fset 'yes-or-no-p 'y-or-n-p)

(delete-selection-mode t)
(scroll-bar-mode -1)
(tool-bar-mode -1)
(blink-cursor-mode t)
(show-paren-mode t)
(column-number-mode t)
(set-fringe-style -1)
(tooltip-mode -1)
(global-linum-mode t)

(require 'package)
(setq package-archives (cons '("tromey" . "http://tromey.com/elpa/") package-archives))
(package-initialize)

(add-to-list 'load-path "~/.emacs.d/el-get/el-get")
(require 'el-get)

(defun ruby-mode-hook ()
  (autoload 'ruby-mode "ruby-mode" nil t)
  (add-to-list 'auto-mode-alist '("Capfile" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Gemfile" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Rakefile" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Guardfile" . ruby-mode))
  (add-to-list 'auto-mode-alist '("Bowerfile" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.rake\\'" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.rb\\'" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.ru\\'" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.gemspec\\'" . ruby-mode))
  (add-to-list 'auto-mode-alist '("\\.jbuilder\\'" . ruby-mode))
  (add-hook 'ruby-mode-hook '(lambda ()
                               (setq ruby-deep-arglist t)
                               (setq ruby-deep-indent-paren nil)
                               (setq c-tab-always-indent nil)
                               (require 'inf-ruby)
                               (require 'ruby-compilation))))

(defun rhtml-mode-hook ()
  (autoload 'rhtml-mode "rhtml-mode" nil t)
  (add-to-list 'auto-mode-alist '("\\.erb\\'" . rhtml-mode))
  (add-to-list 'auto-mode-alist '("\\.rjs\\'" . rhtml-mode))
  (add-hook 'rhtml-mode '(lambda ()
                           (define-key rhtml-mode-map (kbd "M-s") 'save-buffer))))

(defun yaml-mode-hook ()
  (autoload 'yaml-mode "yaml-mode" nil t)
  (add-to-list 'auto-mode-alist '("\\.yml$" . yaml-mode))
  (add-to-list 'auto-mode-alist '("\\.yaml$" . yaml-mode)))

(defun css-mode-hook ()
  (autoload 'css-mode "css-mode" nil t)
  (add-hook 'css-mode-hook '(lambda ()
                              (setq css-indent-level 2)
                              (setq css-indent-offset 2))))

(defun haml-mode-hook ()
  (autoload 'haml-mode "haml-mode" nil t)
  (add-hook 'haml-mode-hook '(lambda ()
                               (setq indent-tabs-mode nil)
                               (define-key haml-mode-map "\C-m" 'newline-and-indent))))

(defun scss-mode-hook ()
  (autoload 'scss-mode "scss-mode" nil t)
  (add-to-list 'auto-mode-alist '("\\.scss$" . scss-mode))
  (setq scss-compile-at-save nil)
  (setq css-indent-level 2)
  (setq css-indent-offset 2))

(defun coffee-mode-hook ()
  (autoload 'coffee-mode "coffee-mode" nil t)
  (add-to-list 'auto-mode-alist '("\\.coffee$" . coffee-mode))
  (add-to-list 'auto-mode-alist '("Cakefile" . coffee-mode)))

(setq el-get-sources
     '((:name ruby-mode
               :type elpa
               :load "ruby-mode.el"
               :after (lambda () (ruby-mode-hook)))
      (:name inf-ruby
             :type elpa)
      (:name ruby-compilation
             :type elpa)
      (:name css-mode
             :type elpa)
      (:name textmate
             :type git
             :url "git://github.com/defunkt/textmate.el"
             :load "textmate.el")
      (:name rvm
             :type git
             :url "http://github.com/djwhitt/rvm.el.git"
             :load "rvm.el"
             :compile ("rvm.el")
             :after (lambda() (rvm-use-default)))
     (:name rhtml
            :type git
            :url "https://github.com/eschulte/rhtml.git"
            :features rhtml-mode)
     (:name yaml-mode
            :type git
            :url "http://github.com/yoshiki/yaml-mode.git"
            :features yaml-mode
            :after (lambda () (yaml-mode-hook)))
     (:name haml-mode
            :type git
            :url "https://github.com/nex3/haml-mode"
            :features haml-mode
            :after (lambda () (haml-mode-hook)))
     (:name scss-mode
            :type git
            :url "https://github.com/antonj/scss-mode.git"
            :features scss-mode
            :after (lambda () (scss-mode-hook)))
     (:name coffee-mode
            :type git
            :url "https://github.com/defunkt/coffee-mode.git"
            :features coffee-mode
            :after (lambda () (coffee-mode-hook)))
            ))
(el-get 'sync)