some more groundwork

core-prelude.el

@@ -1 +0,0 @@
-(provide 'core-prelude)

init.el

@@ -1,9 +1,55 @@
+;;; init.el --- Emacs Prelude: configuration entry point.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; This file simply sets up the default load path and requires
+;; the various modules defined within 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:
+
 (defvar prelude-dir "~/.emacs.d/")
+(defvar vendor-dir (concat prelude-dir "vendor"))
 
 (add-to-list 'load-path prelude-dir)
 
-(require 'ui-prelude)
-(require 'packages-prelude)
-(require 'core-prelude)
-(require 'editor-prelude)
-(require 'global-keybindings-prelude)
+(require 'prelude-ui)
+(require 'prelude-packages)
+(require 'prelude-core)
+(require 'prelude-editor)
+(require 'prelude-global-keybindings)
+
+;; programming & markup languages support
+(require 'prelude-c)
+(require 'prelude-clojure)
+(require 'prelude-common-lisp)
+(require 'prelude-emacs-lisp)
+(require 'prelude-haskell)
+(require 'prelude-ruby)
+
+;;; init.el ends here

packages-prelude.el

@@ -1,18 +0,0 @@
-(require 'package)
-(add-to-list 'package-archives
-             '("marmalade" . "http://marmalade-repo.org/packages/") t)
-(package-initialize)
-
-(when (not package-archive-contents)
-  (package-refresh-contents))
-
-(defvar prelude-packages '(auctex clojure-mode coffee-mode gist haml-mode
-                                  haskell-mode magit markdown-mode paredit
-                                  sass-mode yasnippet)
-  "A list of packages to ensure are installed at launch.")
-
-(dolist (p prelude-packages)
-  (when (not (package-installed-p p))
-    (package-install p)))
-
-(provide 'packages-prelude)

prelude-c.el

@@ -0,0 +1,45 @@
+;;; prelude-c.el --- Emacs Prelude: cc-mode configuration.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Some basic configuration for cc-mode and the modes derived from it.
+
+;;; 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:
+
+(defun prelude-c-coding-hook ()
+  (setq c-basic-offset 4)
+  (prelude-coding-hook))
+
+;; this will affect all modes derived from cc-mode, like
+;; java-mode, php-mode, etc
+(add-hook 'c-mode-common-hook 'prelude-c-coding-hook)
+
+(provide 'prelude-c)
+
+;;; prelude-c.el ends here

prelude-clojure.el

@@ -0,0 +1,46 @@
+;;; prelude-clojure.el --- Emacs Prelude: Clojure programming configuration.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Some basic configuration for clojure-mode.
+
+;;; 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 'prelude-lisp)
+
+;; To start SLIME in your Clojure project:
+;; 1. lein plugin install swank-clojure 1.3.1
+;; 2. Invoke M-x clojure-jack-in from a project
+(require 'clojure-mode)
+
+(add-hook 'clojure-mode-hook 'prelude-lisp-coding-hook)
+
+(provide 'prelude-clojure)
+
+;;; prelude-clojure.el ends here

prelude-common-lisp.el

@@ -0,0 +1,94 @@
+;;; prelude-common-lisp.el --- Emacs Prelude: lisp-mode and SLIME config.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Configuration for lisp-mode and SLIME.
+
+;;; 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 'prelude-lisp)
+
+;; the SBCL configuration file is in Common Lisp 
+(add-to-list 'auto-mode-alist '("\\.sbclrc$" . lisp-mode))
+
+;; Use SLIME from Quicklisp
+(defun prelude-load-common-lisp-slime ()
+  (interactive)
+  ;; Common Lisp support depends on SLIME being installed with Quicklisp
+  (if (file-exists-p (expand-file-name "~/quicklisp/slime-helper.el"))
+      (load (expand-file-name "~/quicklisp/slime-helper.el"))
+    (message "%s" "SLIME is not installed. Use Quicklisp to install it."))
+  )
+
+;; a list of alternative Common Lisp implementations that can be
+;; used with SLIME. Note that their presence render
+;; inferior-lisp-program useless. This variable holds a list of
+;; programs and if you invoke SLIME with a negative prefix
+;; argument, M-- M-x slime, you can select a program from that list.
+(setq slime-lisp-implementations
+      '((ccl ("ccl"))
+        (clisp ("clisp" "-q"))
+        (cmucl ("cmucl" "-quiet"))
+        (sbcl ("sbcl" "--noinform") :coding-system utf-8-unix)))
+
+;; select the default value from slime-lisp-implementations
+(setq slime-default-lisp 'sbcl)
+
+(add-hook 'lisp-mode-hook 'prelude-lisp-coding-hook)
+(add-hook 'slime-repl-mode-hook 'prelude-interactive-lisp-coding-hook)
+
+;; start slime automatically when we open a lisp file
+(defun prelude-start-slime ()
+  (unless (slime-connected-p)
+    (save-excursion (slime))))
+
+(add-hook 'slime-mode-hook 'prelude-start-slime)
+
+;; Stop SLIME's REPL from grabbing DEL,
+;; which is annoying when backspacing over a '('
+(defun prelude-override-slime-repl-bindings-with-paredit ()
+  (define-key slime-repl-mode-map
+    (read-kbd-macro paredit-backward-delete-key) nil))
+
+(add-hook 'slime-repl-mode-hook 'prelude-override-slime-repl-bindings-with-paredit)
+
+(eval-after-load "slime"
+  '(progn
+     (setq slime-complete-symbol-function 'slime-fuzzy-complete-symbol
+           slime-fuzzy-completion-in-place t
+           slime-enable-evaluate-in-emacs t
+           slime-autodoc-use-multiline-p t)
+
+     (define-key slime-mode-map (kbd "TAB") 'slime-indent-and-complete-symbol)
+     (define-key slime-mode-map (kbd "C-c i") 'slime-inspect)
+     (define-key slime-mode-map (kbd "C-c C-s") 'slime-selector)))
+
+(provide 'prelude-common-lisp)
+
+;;; prelude-common-lisp.el ends here

prelude-core.el

@@ -0,0 +1,411 @@
+;;; prelude-core.el --- Emacs Prelude: core Prelude defuns.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Here are the definitions of most of the functions added by 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 'thingatpt)
+(require 'imenu)
+
+(defun prelude-add-subfolders-to-load-path (parent-dir)
+  "Adds all first level `parent-dir' subdirs to the
+Emacs load path."
+  (dolist (f (directory-files parent-dir))
+    (let ((name (concat parent-dir f)))
+      (when (and (file-directory-p name)
+                 (not (equal f ".."))
+                 (not (equal f ".")))
+        (add-to-list 'load-path name)))))
+
+;; add the first level subfolders automatically
+(prelude-add-subfolders-to-load-path prelude-dir)
+(prelude-add-subfolders-to-load-path vendor-dir)
+
+(defun prelude-open-with ()
+  "Simple function that allows us to open the underlying 
+file of a buffer in an external program."
+  (interactive)
+  (when buffer-file-name
+    (shell-command (concat
+                    (read-shell-command "Open current file with: ")
+                    " "
+                    buffer-file-name))))
+
+(defun prelude-buffer-mode (buffer-or-name)
+  (with-current-buffer buffer-or-name major-mode))
+
+(defun prelude-visit-term-buffer ()
+  (interactive)
+  (if (not (get-buffer "*ansi-term*"))
+      (ansi-term "/bin/zsh")
+    (switch-to-buffer "*ansi-term*")))
+
+(defun prelude-indent-rigidly-and-copy-to-clipboard (begin end indent)
+  "Copy the selected code region to the clipboard, indented according
+to Markdown blockquote rules."
+  (let ((buffer (current-buffer)))
+    (with-temp-buffer
+      (insert-buffer-substring-no-properties buffer begin end)
+      (indent-rigidly (point-min) (point-max) indent)
+      (clipboard-kill-ring-save (point-min) (point-max)))))
+
+(defun prelude-indent-blockquote-and-copy-to-clipboard (begin end)
+  "Copy the selected code region to the clipboard, indented according
+to markdown blockquote rules (useful to copy snippets to StackOverflow, Assembla, Github."
+  (interactive "r")
+  (prelude-indent-rigidly-and-copy-to-clipboard begin end 4))
+
+(defun prelude-indent-nested-blockquote-and-copy-to-clipboard (begin end)
+  "Copy the selected code region to the clipboard, indented according
+to markdown blockquote rules. Useful to add snippets under bullet points."
+  (interactive "r")
+  (indent-rigidly-and-copy-to-clipboard begin end 6))
+
+(defun prelude-insert-empty-line ()
+  "Insert an empty line after the current line and positon
+the curson at its beginning, according to the current mode."
+  (interactive)
+  (move-end-of-line nil)
+  (open-line 1)
+  (next-line 1)
+  (indent-according-to-mode))
+
+;; mimic popular IDEs binding, note that it doesn't work in a terminal session
+(global-set-key [(shift return)] 'prelude-insert-empty-line)
+
+(defun prelude-move-line-up ()
+  "Move up the current line."
+  (interactive)
+  (transpose-lines 1)
+  (previous-line 2))
+
+(global-set-key [(control shift up)] 'prelude-move-line-up)
+
+(defun prelude-move-line-down ()
+  "Move down the current line."
+  (interactive)
+  (next-line 1)
+  (transpose-lines 1)
+  (previous-line 1))
+
+(global-set-key [(control shift down)] 'prelude-move-line-down)
+
+;; add the ability to copy and cut the current line, without marking it
+(defadvice kill-ring-save (before slick-copy activate compile)
+  "When called interactively with no active region, copy a single line instead."
+  (interactive
+   (if mark-active (list (region-beginning) (region-end))
+     (message "Copied line")
+     (list (line-beginning-position)
+           (line-beginning-position 2)))))
+
+(defadvice kill-region (before slick-cut activate compile)
+  "When called interactively with no active region, kill a single line instead."
+  (interactive
+   (if mark-active (list (region-beginning) (region-end))
+     (list (line-beginning-position)
+           (line-beginning-position 2)))))
+
+(defun prelude-indent-buffer ()
+  "Indents the entire buffer."
+  (interactive)
+  (indent-region (point-min) (point-max)))
+
+(defun prelude-indent-region-or-buffer ()
+  "Indents a region if selected, otherwise the whole buffer."
+  (interactive)
+  (save-excursion
+    (if (region-active-p)
+        (progn
+          (indent-region (region-beginning) (region-end))
+          (message "Indented selected region."))
+      (progn
+        (indent-buffer)
+        (message "Indented buffer.")))))
+
+(defun prelude-annotate-todo ()
+  "Put fringe marker on TODO: lines in the curent buffer."
+  (interactive)
+  (save-excursion
+    (goto-char (point-min))
+    (while (re-search-forward "TODO:" nil t)
+      (let ((overlay (make-overlay (- (point) 5) (point))))
+        (overlay-put overlay
+                     'before-string
+                     (propertize (format "A")
+                                 'display '(left-fringe right-triangle)))))))
+
+(defun prelude-copy-file-name-to-clipboard ()
+  "Put the current file name on the clipboard."
+  (interactive)
+  (let ((filename (if (equal major-mode 'dired-mode)
+                      default-directory
+                    (buffer-file-name))))
+    (when filename
+      (with-temp-buffer
+        (insert filename)
+        (clipboard-kill-region (point-min) (point-max)))
+      (message filename))))
+
+(defun prelude-duplicate-current-line-or-region (arg)
+  "Duplicates the current line or region ARG times.
+If there's no region, the current line will be duplicated. However, if
+there's a region, all lines that region covers will be duplicated."
+  (interactive "p")
+  (let (beg end (origin (point)))
+    (if (and mark-active (> (point) (mark)))
+        (exchange-point-and-mark))
+    (setq beg (line-beginning-position))
+    (if mark-active
+        (exchange-point-and-mark))
+    (setq end (line-end-position))
+    (let ((region (buffer-substring-no-properties beg end)))
+      (dotimes (i arg)
+        (goto-char end)
+        (newline)
+        (insert region)
+        (setq end (point)))
+      (goto-char (+ origin (* (length region) arg) arg)))))
+
+;; TODO doesn't work with uniquify
+(defun prelude-rename-file-and-buffer ()
+  "Renames current buffer and file it is visiting."
+  (interactive)
+  (let ((name (buffer-name))
+        (filename (buffer-file-name)))
+    (if (not (and filename (file-exists-p filename)))
+        (message "Buffer '%s' is not visiting a file!" name)
+      (let ((new-name (read-file-name "New name: " filename)))
+        (cond ((get-buffer new-name)
+               (message "A buffer named '%s' already exists!" new-name))
+              (t
+               (rename-file name new-name 1)
+               (rename-buffer new-name)
+               (set-visited-file-name new-name)
+               (set-buffer-modified-p nil)))))))
+
+(defun prelude-delete-file-and-buffer ()
+  "Kills the current buffer and deletes the file it is visiting"
+  (interactive)
+  (let ((filename (buffer-file-name)))
+    (when filename
+      (delete-file filename)
+      (message "Deleted file %s" filename)))
+  (kill-buffer))
+
+(defun prelude-view-url ()
+  "Open a new buffer containing the contents of URL."
+  (interactive)
+  (let* ((default (thing-at-point-url-at-point))
+         (url (read-from-minibuffer "URL: " default)))
+    (switch-to-buffer (url-retrieve-synchronously url))
+    (rename-buffer url t)
+    ;; TODO: switch to nxml/nxhtml mode
+    (cond ((search-forward "<?xml" nil t) (xml-mode))
+          ((search-forward "<html" nil t) (html-mode)))))
+
+(defun prelude-ido-goto-symbol (&optional symbol-list)
+  "Refresh imenu and jump to a place in the buffer using Ido."
+  (interactive)
+  (unless (featurep 'imenu)
+    (require 'imenu nil t))
+  (cond
+   ((not symbol-list)
+    (let ((ido-mode ido-mode)
+          (ido-enable-flex-matching
+           (if (boundp 'ido-enable-flex-matching)
+               ido-enable-flex-matching t))
+          name-and-pos symbol-names position)
+      (unless ido-mode
+        (ido-mode 1)
+        (setq ido-enable-flex-matching t))
+      (while (progn
+               (imenu--cleanup)
+               (setq imenu--index-alist nil)
+               (ido-goto-symbol (imenu--make-index-alist))
+               (setq selected-symbol
+                     (ido-completing-read "Symbol? " symbol-names))
+               (string= (car imenu--rescan-item) selected-symbol)))
+      (unless (and (boundp 'mark-active) mark-active)
+        (push-mark nil t nil))
+      (setq position (cdr (assoc selected-symbol name-and-pos)))
+      (cond
+       ((overlayp position)
+        (goto-char (overlay-start position)))
+       (t
+        (goto-char position)))))
+   ((listp symbol-list)
+    (dolist (symbol symbol-list)
+      (let (name position)
+        (cond
+         ((and (listp symbol) (imenu--subalist-p symbol))
+          (ido-goto-symbol symbol))
+         ((listp symbol)
+          (setq name (car symbol))
+          (setq position (cdr symbol)))
+         ((stringp symbol)
+          (setq name symbol)
+          (setq position
+                (get-text-property 1 'org-imenu-marker symbol))))
+        (unless (or (null position) (null name)
+                    (string= (car imenu--rescan-item) name))
+          (add-to-list 'symbol-names name)
+          (add-to-list 'name-and-pos (cons name position))))))))
+
+;; We have a number of turn-on-* functions since it's advised that lambda
+;; functions not go in hooks. Repeatedly evaluating an add-to-list with a
+;; hook value will repeatedly add it since there's no way to ensure
+;; that a lambda doesn't already exist in the list.
+
+(defun prelude-local-comment-auto-fill ()
+  (set (make-local-variable 'comment-auto-fill-only-comments) t)
+  (auto-fill-mode t))
+
+(defun prelude-turn-on-whitespace ()
+  (whitespace-mode +1))
+
+(defun prelude-turn-off-whitespace ()
+  (whitespace-mode -1))
+
+(defun prelude-turn-on-abbrev ()
+  (abbrev-mode +1))
+
+(defun prelude-turn-off-abbrev ()
+  (abbrev-mode -1))
+
+(defun prelude-add-watchwords ()
+  (font-lock-add-keywords
+   nil '(("\\<\\(FIX\\|TODO\\|FIXME\\|HACK\\|REFACTOR\\):"
+          1 font-lock-warning-face t))))
+
+(defun prelude-coding-hook ()
+  "Default coding hook, useful with any programming language."
+  (flyspell-prog-mode)
+  (prelude-local-comment-auto-fill)
+  (prelude-turn-on-whitespace)
+  (prelude-turn-on-abbrev)
+  (prelude-add-watchwords))
+
+(defun prelude-untabify-buffer ()
+  (interactive)
+  (untabify (point-min) (point-max)))
+
+(defun prelude-cleanup-buffer ()
+  "Perform a bunch of operations on the whitespace content of a buffer."
+  (interactive)
+  (prelude-indent-buffer)
+  (prelude-untabify-buffer)
+  (prelude-delete-trailing-whitespace))
+
+(defun prelude-eval-and-replace ()
+  "Replace the preceding sexp with its value."
+  (interactive)
+  (backward-kill-sexp)
+  (condition-case nil
+      (prin1 (eval (read (current-kill 0)))
+             (current-buffer))
+    (error (message "Invalid expression")
+           (insert (current-kill 0)))))
+
+(defun prelude-recompile-init ()
+  "Byte-compile all your dotfiles again."
+  (interactive)
+  (byte-recompile-directory prelude-dir 0)
+  (byte-recompile-directory vendor-dir 0))
+
+(defun prelude-regen-autoloads (&optional force-regen)
+  "Regenerate the autoload definitions file if necessary and load it."
+  (interactive "P")
+  (let ((autoload-dir vendor-dir)
+        (generated-autoload-file autoload-file))
+    (when (or force-regen
+              (not (file-exists-p autoload-file))
+              (some (lambda (f) (file-newer-than-file-p f autoload-file))
+                    (directory-files autoload-dir t "\\.el$")))
+      (message "Updating autoloads...")
+      (let (emacs-lisp-mode-hook)
+        (update-directory-autoloads autoload-dir))))
+  (load autoload-file))
+
+(defun prelude-sudo-edit (&optional arg)
+  (interactive "p")
+  (if (or arg (not buffer-file-name))
+      (find-file (concat "/sudo:root@localhost:" (ido-read-file-name "File: ")))
+    (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
+
+(defun prelude-switch-or-start (function buffer)
+  "If the buffer is current, bury it, otherwise invoke the function."
+  (if (equal (buffer-name (current-buffer)) buffer)
+      (bury-buffer)
+    (if (get-buffer buffer)
+        (switch-to-buffer buffer)
+      (funcall function))))
+
+(defun prelude-insert-date ()
+  "Insert a time-stamp according to locale's date and time format."
+  (interactive)
+  (insert (format-time-string "%c" (current-time))))
+
+(defun prelude-conditionally-enable-paredit-mode ()
+  "Enable paredit-mode in the minibuffer, during eval-expression."
+  (if (eq this-command 'eval-expression)
+      (paredit-mode 1)))
+
+(add-hook 'minibuffer-setup-hook 'prelude-conditionally-enable-paredit-mode)
+
+(defun prelude-recentf-ido-find-file ()
+  "Find a recent file using ido."
+  (interactive)
+  (let ((file (ido-completing-read "Choose recent file: " recentf-list nil t)))
+    (when file
+      (find-file file))))
+
+(defun prelude-swap-windows ()
+  "If you have 2 windows, it swaps them."
+  (interactive)
+  (cond ((/= (count-windows) 2)
+         (message "You need exactly 2 windows to do this."))
+        (t
+         (let* ((w1 (first (window-list)))
+                (w2 (second (window-list)))
+                (b1 (window-buffer w1))
+                (b2 (window-buffer w2))
+                (s1 (window-start w1))
+                (s2 (window-start w2)))
+           (set-window-buffer w1 b2)
+           (set-window-buffer w2 b1)
+           (set-window-start w1 s2)
+           (set-window-start w2 s1))))
+  (other-window 1))
+
+(provide 'prelude-core)
+;;; prelude-core.el ends here

prelude-emacs-lisp.el

@@ -0,0 +1,58 @@
+;;; prelude-emacs-lisp.el --- Emacs Prelude: Nice config for Elisp programming.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Nice config for Elisp Programming.
+
+;;; 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 'prelude-lisp)
+
+(add-hook 'emacs-lisp-mode-hook 'turn-on-eldoc-mode)
+(add-hook 'emacs-lisp-mode-hook 'prelude-remove-elc-on-save)
+
+(add-hook 'emacs-lisp-mode-hook 'prelude-lisp-coding-hook)
+
+(add-hook 'ielm-mode-hook 'prelude-interactive-lisp-coding-hook)
+(add-hook 'ielm-mode-hook 'turn-on-eldoc-mode)
+
+(defun prelude-remove-elc-on-save ()
+  "If you're saving an elisp file, likely the .elc is no longer valid."
+  (make-local-variable 'after-save-hook)
+  (add-hook 'after-save-hook
+            (lambda ()
+              (if (file-exists-p (concat buffer-file-name "c"))
+                  (delete-file (concat buffer-file-name "c"))))))
+
+(define-key emacs-lisp-mode-map (kbd "M-.") 'find-function-at-point)
+
+(provide 'prelude-emacs-lisp)
+
+;;; prelude-emacs-lisp.el ends here

prelude-haskell.el

@@ -0,0 +1,40 @@
+;;; prelude-haskell.el --- Emacs Prelude: Nice config for Haskell programming.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Nice config for Haskell programming.
+
+;;; 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:
+
+(add-hook 'haskell-mode-hook 'turn-on-haskell-doc-mode)
+(add-hook 'haskell-mode-hook 'turn-on-haskell-indentation)
+
+(provide 'prelude-haskell)
+
+;;; prelude-haskell.el ends here

prelude-lisp.el

@@ -0,0 +1,50 @@
+;;; prelude-lisp.el --- Emacs Prelude: Configuration common to all lisp modes.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Configuration shared between all modes related to lisp-like languages.
+
+;;; 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:
+
+;; Lisp configuration
+(define-key read-expression-map (kbd "TAB") 'lisp-complete-symbol)
+
+;; a great lisp coding hook
+(defun prelude-lisp-coding-hook ()
+  (prelude-coding-hook)
+  (paredit-mode +1))
+
+;; interactive modes don't need whitespace checks
+(defun prelude-interactive-lisp-coding-hook ()
+  (paredit-mode +1)
+  (prelude-turn-off-whitespace))
+
+(provide 'prelude-lisp)
+
+;;; prelude-lisp.el ends here

prelude-packages.el

@@ -0,0 +1,55 @@
+;;; prelude-packages.el --- Emacs Prelude: default package selection.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/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 'package)
+(add-to-list 'package-archives
+             '("marmalade" . "http://marmalade-repo.org/packages/") t)
+(package-initialize)
+
+(when (not package-archive-contents)
+  (package-refresh-contents))
+
+(defvar prelude-packages '(auctex clojure-mode coffee-mode gist haml-mode
+                                  haskell-mode magit markdown-mode paredit
+                                  sass-mode yaml yari yasnippet)
+  "A list of packages to ensure are installed at launch.")
+
+(dolist (p prelude-packages)
+  (when (not (package-installed-p p))
+    (package-install p)))
+
+(provide 'packages-prelude)
+
+;;; prelude-packages.el ends here

prelude-ruby.el

@@ -0,0 +1,80 @@
+;;; prelude-ruby.el --- Emacs Prelude: A nice setup for Ruby (and Rails) devs.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; Some basic configuration for Ruby and Rails development.
+
+;;; 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:
+
+;; Rake files are ruby, too, as are gemspecs, rackup files, and gemfiles.
+(add-to-list 'auto-mode-alist '("\\.rake$" . ruby-mode))
+(add-to-list 'auto-mode-alist '("Rakefile$" . 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 '("Gemfile$" . ruby-mode))
+(add-to-list 'auto-mode-alist '("Guardfile$" . ruby-mode))
+
+;; We never want to edit Rubinius bytecode
+(add-to-list 'completion-ignored-extensions ".rbc")
+
+(autoload 'run-ruby "inf-ruby"
+  "Run an inferior Ruby process")
+(autoload 'inf-ruby-keys "inf-ruby"
+  "Set local key defs for inf-ruby in ruby-mode")
+
+;; yari provides a nice Emacs interface to ri
+(require 'yari)
+
+; TODO fix ruby-end and package ruby-block for marmalade
+;(require 'ruby-block)
+;(require 'ruby-end)
+
+(defun prelude-ruby-mode-hook ()
+  (prelude-coding-hook)
+  (inf-ruby-keys)
+  ;; turn off the annoying input echo in irb
+  (setq comint-process-echoes t)
+  ;(ruby-block-mode t)
+  (local-set-key (kbd "C-h r") 'yari))
+
+(add-hook 'ruby-mode-hook 'prelude-ruby-mode-hook)
+
+(require 'haml-mode)
+(require 'scss-mode)
+
+;; cucumber support
+;(require 'feature-mode)
+;(add-to-list 'auto-mode-alist '("\.feature$" . feature-mode))
+
+;; load bundle snippets
+;(yas/load-directory  (concat ext-dir "feature-mode/snippets"))
+
+(provide 'prelude-ruby)
+
+;;; prelude-ruby.el ends here

prelude-ui.el

@@ -0,0 +1,66 @@
+;;; prelude-ui.el --- Emacs Prelude: UI optimizations and tweaks.
+;;
+;; Copyright (c) 2011 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
+;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
+;; Version: 1.0.0
+;; Keywords: convenience
+
+;; This file is not part of GNU Emacs.
+
+;;; Commentary:
+
+;; We dispense with most of the point and click UI, reduce the startup noise,
+;; configure smooth scolling and a nice theme that's easy on the eyes (zenburn).
+
+;;; 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:
+
+;; the toolbar is just a waste of valuable screen estate
+(tool-bar-mode -1)
+;; the menu bar is mostly useless as well
+;; but removing it under OS X doesn't make much sense
+(unless (string= system-type "darwin")
+  (menu-bar-mode -1))
+;; the blinking cursor is nothing, but an annoyance
+(blink-cursor-mode -1)
+
+;; disable startup screen
+(setq inhibit-startup-screen t)
+
+;; nice scrolling
+(setq scroll-margin 0
+      scroll-conservatively 100000
+      scroll-preserve-screen-position 1)
+
+;; mode line settings
+(line-number-mode t)                    
+(column-number-mode t)                  
+(size-indication-mode t)                
+
+;; enable y/n answers
+(fset 'yes-or-no-p 'y-or-n-p)
+
+;; custom Emacs 24 color themes support
+(add-to-list 'custom-theme-load-path (concat prelude-dir "themes/"))
+(load-theme 'zenburn t)
+
+(provide 'prelude-ui)
+;;; prelude-ui.el ends here

ui-prelude.el

@@ -1,30 +0,0 @@
-;; the toolbar is just a waste of valuable screen estate
-(tool-bar-mode -1)
-;; the menu bar is mostly useless as well
-;; but removing it under OS X doesn't make much sense
-(unless (string= system-type "darwin")
-  (menu-bar-mode -1))
-;; the blinking cursor is nothing, but an annoyance
-(blink-cursor-mode -1)
-
-;; disable startup screen
-(setq inhibit-startup-screen t)
-
-;; nice scrolling
-(setq scroll-margin 0
-      scroll-conservatively 100000
-      scroll-preserve-screen-position 1)
-
-;; mode line settings
-(line-number-mode t)                    
-(column-number-mode t)                  
-(size-indication-mode t)                
-
-;; enable y/n answers
-(fset 'yes-or-no-p 'y-or-n-p)
-
-;; custom Emacs 24 color themes support
-(add-to-list 'custom-theme-load-path (concat prelude-dir "themes/"))
-(load-theme 'zenburn t)
-
-(provide 'ui-prelude)