Better .emacs file

.emacs

;; No Splash Screen
(setq inhibit-splash-screen t)

;; Indentation
(setq-default indent-tabs-mode nil)
(setq indent-tab-mode nil)
(setq-default tab-width 4)
(setq c-basic-indent 2)
(global-set-key (kbd "RET") 'newline-and-indent)

;; init package system
(package-initialize)

;; Enable ido mode
(ido-mode t)
(setq ido-enable-flex-matching t)

;; delete selected text
(delete-selection-mode t)

;; use ido vertical
(ido-vertical-mode t)

;; Enable utf-8 in term mode
(set-terminal-coding-system 'utf-8-unix)

;; Enable ido mode
(ido-mode t)
(setq ido-enable-flex-matching t)

;; delete selected text
(delete-selection-mode t)

;; use ido vertical
(ido-vertical-mode t)

;; y/n is easier than yes/no
(fset 'yes-or-no-p 'y-or-n-p)

;; utf8 FTW!!
(prefer-coding-system 'utf-8)

;; highlight TODO|FIXME|BUG in comments
(add-hook 'c-mode-common-hook
          (lambda ()
            (font-lock-add-keywords nil
                                    '(("\\<\\(FIXME\\|TODO\\|BUG\\):" 1 font-lock-warning-face t)))))

;; Lines and columns
(global-linum-mode 1)
(setq linum-format "%4d\u2502")

(column-number-mode 1)

;; Enabel recent files and disable backup and autosave file
(recentf-mode 1)
(setq make-backup-files nil)
(setq auto-save-default nil)

(show-paren-mode 1)
(size-indication-mode 1)

(load-theme 'sanityinc-tomorrow-eighties t)


;; Deactivate menu-bar, tool-bar and scroll-bar
;;(if (fboundp 'menu-bar-mode) (menu-bar-mode -1))
(if (fboundp 'tool-bar-mode) (tool-bar-mode -1))

;; Fix all indentation (I love this so much)
(defun fix-indentation ()
  "indent whole buffer"
  (interactive)
  (delete-trailing-whitespace)
  (indent-region (point-min) (point-max) nil)
  (untabify (point-min) (point-max)))

(defun copy-to-clipboard ()
  (interactive)
  (if (display-graphic-p)
      (progn
        (message "Yanked region to x-clipboard!")
        (call-interactively 'clipboard-kill-ring-save)
        )
    (if (region-active-p)
        (progn
          (shell-command-on-region (region-beginning) (region-end) "xsel -i -b")
          (message "Yanked region to clipboard!")
          (deactivate-mark))
      (message "No region active; can't yank to clipboard!"))))
(defun paste-from-clipboard ()
  (interactive)
  (if (display-graphic-p)
      (progn
        (clipboard-yank)
        (message "graphics active"))

    (insert (shell-command-to-string "xsel -o -b"))))
;; copy/paste from clipboard in emacs -nw
(global-set-key [f8] 'copy-to-clipboard)
(global-set-key [f9] 'paste-from-clipboard)
;; Some shortcuts
(global-set-key (kbd "<f12>") 'delete-trailing-whitespace)
(global-set-key (kbd "<f10>") 'fix-indentation)

;; Add ELPA package repository
(setq package-archives '(("gnu" . "http://elpa.gnu.org/packages/")
                         ("marmalade" . "http://marmalade-repo.org/packages/")
                         ("melpa" . "http://melpa.milkbox.net/packages/")))

;; go mode additions
(add-hook 'go-mode-hook 'go-eldoc-setup)

(setq gofmt-command "goimports")
(require 'go-mode)
(add-hook 'before-save-hook 'gofmt-before-save)

;; setup go-autocomplete
(requrie 'auto-complete)
(require 'go-autocomplete)
(require 'auto-complete-config)
(ac-config-default)

;; unique names
(require 'uniquify)
(setq uniquify-buffer-name-style 'post-forward)


(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(custom-safe-themes (quote ("628278136f88aa1a151bb2d6c8a86bf2b7631fbea5f0f76cba2a0079cd910f7d" default))))
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )

packages.el

;; the system should also have
;; goimports go get -u github.com/bradfitz/goimports
;; gocode go get -u github.com/nsf/gocode

;; Add ELPA package repository
(setq package-archives '(("gnu" . "http://elpa.gnu.org/packages/")
                         ("marmalade" . "http://marmalade-repo.org/packages/")
                         ("melpa" . "http://melpa.milkbox.net/packages/")))
(defvar required-packages
  '(auto-complete
    go-mode go-autocomplete go-eldoc
    color-theme-sanityinc-tomorrow-colors color-theme
    markdown-mode popup tango-2-theme 
    cider idomenu
    nav
    vala-mode
    web-mode
    browser-kill-ring
    anzu ;; show number of search matches
    ido-vertical-mode
    paredit
    undo-tree-mode))

;; Installs missing packages
(defun install-missing-packages ()
  "Installs required packages that are missing"
  (interactive)
  (mapc (lambda (package)
          (unless (package-installed-p package)
            (package-install package)))
        required-packages)
  (message "Installed all missing packages!"))