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<div id="content">
<h1 class="title">mssola's GNU Emacs configuration</h1>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#sec-1">1. Preface</a></li>
<li><a href="#sec-2">2. Introduction</a></li>
<li><a href="#sec-3">3. General</a>
<ul>
<li><a href="#sec-3-1">3.1. GUI</a></li>
<li><a href="#sec-3-2">3.2. Basic editing configuration</a></li>
<li><a href="#sec-3-3">3.3. Font and theme</a></li>
<li><a href="#sec-3-4">3.4. General global key bindings</a></li>
<li><a href="#sec-3-5">3.5. Others</a></li>
</ul>
</li>
<li><a href="#sec-4">4. Calendar</a></li>
<li><a href="#sec-5">5. General purpose defuns</a></li>
<li><a href="#sec-6">6. Lisp packages</a>
<ul>
<li><a href="#sec-6-1">6.1. Custom packages</a></li>
<li><a href="#sec-6-2">6.2. use-package</a></li>
</ul>
</li>
<li><a href="#sec-7">7. Project</a></li>
<li><a href="#sec-8">8. Edit</a></li>
<li><a href="#sec-9">9. Dired</a></li>
<li><a href="#sec-10">10. Evil</a></li>
<li><a href="#sec-11">11. Magit</a></li>
<li><a href="#sec-12">12. mu4e</a></li>
<li><a href="#sec-13">13. org</a>
<ul>
<li><a href="#sec-13-1">13.1. General settings</a></li>
<li><a href="#sec-13-2">13.2. Publishing</a></li>
<li><a href="#sec-13-3">13.3. Agenda</a></li>
<li><a href="#sec-13-4">13.4. Capture</a></li>
<li><a href="#sec-13-5">13.5. Other</a></li>
<li><a href="#sec-13-6">13.6. <span class="todo TODO">TODO</span> shortcut for making an org link, and transforming a link into a proper org link</a></li>
<li><a href="#sec-13-7">13.7. <span class="todo TODO">TODO</span> make it work with evil</a></li>
<li><a href="#sec-13-8">13.8. <span class="todo TODO">TODO</span> Proper keybindings for quick access.</a></li>
<li><a href="#sec-13-9">13.9. <span class="todo TODO">TODO</span> shortcuts for stuff like: create something urgent for today</a></li>
</ul>
</li>
<li><a href="#sec-14">14. IRC</a></li>
<li><a href="#sec-15">15. Languages</a>
<ul>
<li><a href="#sec-15-1">15.1. General</a></li>
<li><a href="#sec-15-2">15.2. Shell</a></li>
<li><a href="#sec-15-3">15.3. Lisp</a></li>
<li><a href="#sec-15-4">15.4. C and C++</a></li>
<li><a href="#sec-15-5">15.5. Ruby</a></li>
<li><a href="#sec-15-6">15.6. Go</a></li>
<li><a href="#sec-15-7">15.7. Rust</a></li>
<li><a href="#sec-15-8">15.8. Tabs vs spaces</a></li>
<li><a href="#sec-15-9">15.9. Inferior markup languages.</a></li>
<li><a href="#sec-15-10">15.10. Web-related stuff.</a></li>
<li><a href="#sec-15-11">15.11. Devops</a></li>
<li><a href="#sec-15-12">15.12. Others</a></li>
</ul>
</li>
<li><a href="#sec-16">16. WoMan</a></li>
<li><a href="#sec-17">17. Misc</a></li>
<li><a href="#sec-18">18. Credits</a></li>
<li><a href="#sec-19">19. License</a></li>
</ul>
</div>
</div>

<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1"><span class="section-number-2">1</span> Preface</h2>
<div class="outline-text-2" id="text-1">
<p>
This is my attempt of getting my configuration organized with literate
programming and <code>org-babel</code>. I took the workflow I'm following from <a href="https://github.com/larstvei">@larstvei</a>.
The idea is that the <code>init.el</code> file will replace itself on the first execution
with the tangled version of this file. This first version will also be
byte-compiled. This means that all changes are to be made on the <code>init.org</code>
file <b>always</b>. The initial contents of the <code>init.el</code> are:
</p>

<div class="org-src-container">

<pre class="src src-elisp"><span style="color: #808080;">;; </span><span style="color: #808080;">We can't tangle without org!</span>
(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">org</span>)

<span style="color: #808080;">;; </span><span style="color: #808080;">Follow symlinks</span>
(<span style="color: #87afd7;">setq</span> vc-follow-symlinks t)

<span style="color: #808080;">;; </span><span style="color: #808080;">Open the configuration</span>
(find-file (concat user-emacs-directory <span style="color: #ffffaf;">"init.org"</span>))

<span style="color: #808080;">;; </span><span style="color: #808080;">Tangle it</span>
(org-babel-tangle)

<span style="color: #808080;">;; </span><span style="color: #808080;">Load it</span>
(load-file (concat user-emacs-directory <span style="color: #ffffaf;">"init.el"</span>))

<span style="color: #808080;">;; </span><span style="color: #808080;">Finally byte-compile it</span>
(byte-compile-file (concat user-emacs-directory <span style="color: #ffffaf;">"init.el"</span>))
</pre>
</div>

<p>
There is no reason to track the init.el file, and no reason to change this
file. In order to ensure this, make sure to apply the following command after
cloning:
</p>

<div class="org-src-container">

<pre class="src src-sh">git update-index --assume-unchanged emacs/init.el
</pre>
</div>

<p>
Moreover, in order to avoid manually tangling and compiling the <code>init.org</code> file
on each change, the following function is provided:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">tangle-init</span> ()
  <span style="color: #808080;">"If the current buffer is 'init.org' the code-blocks are</span>
<span style="color: #808080;">  tangled, and the tangled file is compiled. Morever, an init.html is generated."</span>

  (<span style="color: #87afd7;">when</span> (<span style="color: #87afd7;">or</span> (equal (buffer-file-name)
                   (expand-file-name (concat user-emacs-directory <span style="color: #ffffaf;">"init.org"</span>)))
            (string-suffix-p <span style="color: #ffffaf;">"dotfiles/emacs/init.org"</span> (buffer-file-name)))

    <span style="color: #808080;">;; </span><span style="color: #808080;">Avoid running hooks when tangling</span>
    (<span style="color: #87afd7;">let</span> ((prog-mode-hook nil))
      (org-babel-tangle)
      (org-html-export-to-html)
      (byte-compile-file (concat user-emacs-directory <span style="color: #ffffaf;">"init.el"</span>)))))

(add-hook 'after-save-hook 'tangle-init)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-2" class="outline-2">
<h2 id="sec-2"><span class="section-number-2">2</span> Introduction</h2>
<div class="outline-text-2" id="text-2">
<p>
I'm using GNU Emacs 25, but everything should be working in GNU Emacs 24. There
are some exceptions to this (e.g. webkit support), but these cases are
individually handled.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">unless</span> (&gt;= emacs-major-version 24)
  (<span style="color: #b9dc92;">error</span> <span style="color: #ffffaf;">"Don't be a cheap bastard and upgrade to at least GNU Emacs 24"</span>))
</pre>
</div>

<p>
Temporarily reduce garbage collection so startup time is lower. Idea taken from
<a href="https://github.com/purcell">@purcell</a>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defconst</span> <span style="color: #d0d0d0;">mssola-initial-gc-cons-threshold</span> gc-cons-threshold
  <span style="color: #808080;">"Initial value of `</span><span style="color: #ffffaf;">gc-cons-threshold</span><span style="color: #808080;">' at start-up time."</span>)
(<span style="color: #87afd7;">setq</span> gc-cons-threshold (* 1024 1024 1024))
(add-hook 'after-init-hook
          (<span style="color: #87afd7;">lambda</span> () (<span style="color: #87afd7;">setq</span> gc-cons-threshold mssola-initial-gc-cons-threshold)))
</pre>
</div>

<p>
User name and email.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> user-full-name <span style="color: #ffffaf;">"Miquel Sabat&#233; Sol&#224;"</span>
      user-mail-address <span style="color: #ffffaf;">"mikisabate@gmail.com"</span>)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-3" class="outline-2">
<h2 id="sec-3"><span class="section-number-2">3</span> General</h2>
<div class="outline-text-2" id="text-3">
</div><div id="outline-container-sec-3-1" class="outline-3">
<h3 id="sec-3-1"><span class="section-number-3">3.1</span> GUI</h3>
<div class="outline-text-3" id="text-3-1">
<p>
I like a minimalistic GUI. Because of this, almost all GUI elements have been
disabled or tweaked in some custom way.
</p>

<p>
The frame title is "&lt;login&gt;: &lt;path&gt;". If we are not editing a file, then the
name of the buffer is displayed (e.g. "mssola: <b>scratch</b>").
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> frame-title-format
  '((<span style="color: #87afd7;">:eval</span>
    (concat (user-real-login-name) <span style="color: #ffffaf;">": "</span>
      (<span style="color: #87afd7;">if</span> (buffer-file-name)
        (abbreviate-file-name (buffer-file-name))
        <span style="color: #ffffaf;">"%b"</span>)))))
</pre>
</div>

<p>
Disable the menu, scroll and tool bars. At the same time, enable line and column
modes.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(menu-bar-mode -1)
(<span style="color: #87afd7;">when</span> (fboundp 'set-scroll-bar-mode)
  (set-scroll-bar-mode nil))
(<span style="color: #87afd7;">when</span> (fboundp 'tool-bar-mode)
  (tool-bar-mode -1))
(<span style="color: #87afd7;">when</span> (fboundp 'tooltip-mode)
  (tooltip-mode 0))

(line-number-mode 1)
(column-number-mode 1)

<span style="color: #808080;">;; </span><span style="color: #808080;">Nice scrolling</span>
(<span style="color: #87afd7;">setq</span> scroll-margin 0
      scroll-conservatively 100000
      scroll-preserve-screen-position 1)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-3-2" class="outline-3">
<h3 id="sec-3-2"><span class="section-number-3">3.2</span> Basic editing configuration</h3>
<div class="outline-text-3" id="text-3-2">
<p>
Use UTF-8 <b>always</b>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(prefer-coding-system 'utf-8)
(set-default-coding-systems 'utf-8)
(set-terminal-coding-system 'utf-8)
(set-keyboard-coding-system 'utf-8)
(set-language-environment 'utf-8)
</pre>
</div>

<p>
Some editing tweaks like tabs vs spaces, maximum column width, etc.
</p>

<div class="org-src-container">

<pre class="src src-elisp"><span style="color: #808080;">;; </span><span style="color: #808080;">Emacs modes typically provide a standard means to change the indentation</span>
<span style="color: #808080;">;; </span><span style="color: #808080;">width (e.g. c-basic-offset). Moreover, even though I prefer tabs over space,</span>
<span style="color: #808080;">;; </span><span style="color: #808080;">for most coding conventions this is not the case (e.g. ruby). For this</span>
<span style="color: #808080;">;; </span><span style="color: #808080;">reason, I will disable them by default and enabled them back for each</span>
<span style="color: #808080;">;; </span><span style="color: #808080;">specific case (e.g. C). I'm also using the smart-tabs-mode package, see</span>
<span style="color: #808080;">;; </span><span style="color: #808080;">below in the languages section.</span>
(<span style="color: #87afd7;">setq-default</span> indent-tabs-mode nil)
(<span style="color: #87afd7;">setq-default</span> tab-width 4)

<span style="color: #808080;">;; </span><span style="color: #808080;">Maximum 80 columns.</span>
(<span style="color: #87afd7;">setq-default</span> fill-column 80)
(<span style="color: #87afd7;">setq-default</span> auto-fill-function 'do-auto-fill)

<span style="color: #808080;">;; </span><span style="color: #808080;">Do not break lines</span>
(set-default 'truncate-lines t)

<span style="color: #808080;">;; </span><span style="color: #808080;">Delete the selection with a keypress.</span>
(delete-selection-mode t)

<span style="color: #808080;">;; </span><span style="color: #808080;">Remove whitespaces at the end of line</span>
(add-hook 'before-save-hook 'delete-trailing-whitespace)

<span style="color: #808080;">;; </span><span style="color: #808080;">Cursor</span>
(blink-cursor-mode 0)
(global-hl-line-mode -1)
(show-paren-mode 1)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-3-3" class="outline-3">
<h3 id="sec-3-3"><span class="section-number-3">3.3</span> Font and theme</h3>
<div class="outline-text-3" id="text-3-3">
<p>
I'm using "Droid Sans Mono" simply because I've grown used to it.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(set-frame-font <span style="color: #ffffaf;">"Droid Sans Mono Dotted for Powerline-10"</span>)
(add-to-list 'default-frame-alist '(font . <span style="color: #ffffaf;">"Droid Sans Mono Dotted for Powerline-10"</span>))

<span style="color: #808080;">; </span><span style="color: #808080;">Emacs in daemon mode does not like `set-face-attribute` because this is only</span>
<span style="color: #808080;">; </span><span style="color: #808080;">applied if there is a frame in place, which doesn't happen when starting the</span>
<span style="color: #808080;">; </span><span style="color: #808080;">daemon. Thus, we should call that after the frame has been created (e.g. by</span>
<span style="color: #808080;">; </span><span style="color: #808080;">emacsclient).</span>
<span style="color: #808080;">; </span><span style="color: #808080;">See: https://lists.gnu.org/archive/html/help-gnu-emacs/2015-03/msg00016.html</span>
(add-hook 'after-make-frame-functions-hook
  (<span style="color: #87afd7;">lambda</span> ()
    (set-face-attribute 'default t <span style="color: #87afd7;">:font</span> <span style="color: #ffffaf;">"Droid Sans Mono Dotted for Powerline-10"</span>)))
</pre>
</div>

<p>
I've hacked my own theme called <a href="https://github.com/mssola/soria">soria</a>. This theme combines the vim theme
<a href="http://www.vim.org/scripts/script.php?script_id=2140">xoria256</a> with the <a href="http://opensuse.github.io/branding-guidelines/">openSUSE branding guidelines</a>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(load-theme 'soria t)
</pre>
</div>

<p>
When hacking your own theme, sometimes you want to know what face is the one
that you see on the screen right now. This function from <a href="https://github.com/thblt/DotFiles">@thblt</a> allows me to
get exactly that:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-face-at-point</span> (pos)
  <span style="color: #808080;">"Writes a message with the name of the face at the current point.  The POS</span>
<span style="color: #808080;">  argument contains the current position of the cursor."</span>

  (<span style="color: #87afd7;">interactive</span> <span style="color: #ffffaf;">"d"</span>)

  (<span style="color: #87afd7;">let</span> ((face (<span style="color: #87afd7;">or</span> (get-char-property (point) 'read-face-name)
                  (get-char-property (point) 'face))))
    (<span style="color: #87afd7;">if</span> face (message <span style="color: #ffffaf;">"Face: %s"</span> face) (message <span style="color: #ffffaf;">"No face at %d"</span> pos))))

(global-set-key (kbd <span style="color: #ffffaf;">"C-c f"</span>) 'mssola-face-at-point)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-3-4" class="outline-3">
<h3 id="sec-3-4"><span class="section-number-3">3.4</span> General global key bindings</h3>
<div class="outline-text-3" id="text-3-4">
<p>
Use kill-this-buffer instead of kill-buffer.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(global-set-key (kbd <span style="color: #ffffaf;">"C-x k"</span>) 'kill-this-buffer)
</pre>
</div>

<p>
Disable C-z. It will later on be picked up by Evil's config as the escape
sequence. This is here to make sure that it will be disabled even if Evil
cannot be loaded due to some error.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(global-unset-key (kbd <span style="color: #ffffaf;">"C-z"</span>))
</pre>
</div>

<p>
Disable all the Fn keys.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">dotimes</span> (i 12)
  (global-unset-key (kbd (format <span style="color: #ffffaf;">"&lt;f%d&gt;"</span> (+ i 1)))))
</pre>
</div>

<p>
Disable overwrite-mode.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(define-key global-map [(insert)] nil)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-3-5" class="outline-3">
<h3 id="sec-3-5"><span class="section-number-3">3.5</span> Others</h3>
<div class="outline-text-3" id="text-3-5">
<p>
Revert buffers automatically when underlying files are changed externally.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(global-auto-revert-mode t)
</pre>
</div>

<p>
Follow symlinks.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> vc-follow-symlinks t)
</pre>
</div>

<p>
Remove the initial message from the scratch buffer.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> initial-scratch-message nil)
</pre>
</div>

<p>
Never kill the scratch buffer, bury it instead.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defadvice</span> <span style="color: #d0d0d0;">kill-buffer</span> (around kill-buffer-around-advice activate)
  (<span style="color: #87afd7;">let</span> ((buffer-to-kill (ad-get-arg 0)))
    (<span style="color: #87afd7;">if</span> (equal buffer-to-kill <span style="color: #ffffaf;">"*scratch*"</span>)
        (bury-buffer)
      ad-do-it)))

(<span style="color: #87afd7;">defadvice</span> <span style="color: #d0d0d0;">kill-this-buffer</span> (around kill-buffer-around-advice activate)
  (<span style="color: #87afd7;">let</span> ((buffer-to-kill (ad-get-arg 0)))
    (<span style="color: #87afd7;">if</span> (equal buffer-to-kill <span style="color: #ffffaf;">"*scratch*"</span>)
        (bury-buffer)
      ad-do-it)))
</pre>
</div>

<p>
No backups
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq-default</span> make-backup-files nil)
(<span style="color: #87afd7;">setq-default</span> auto-save-default nil)
</pre>
</div>

<p>
But at least save the list of recently open files.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">recentf</span>)

(recentf-mode 1)
(global-set-key <span style="color: #ffffaf;">"\C-x\ \C-r"</span> 'recentf-open-files)

<span style="color: #808080;">; </span><span style="color: #808080;">Save the list every 5 minutes</span>
(run-at-time nil (* 5 60) 'recentf-save-list)
</pre>
</div>

<p>
No welcome screen
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq-default</span> inhibit-startup-message t)
</pre>
</div>

<p>
Enable y/n answers
</p>

<div class="org-src-container">

<pre class="src src-elisp">(fset 'yes-or-no-p 'y-or-n-p)
</pre>
</div>

<p>
Let flyspell be performant.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defvar</span> <span style="color: #d0d0d0;">flyspell-issue-message-flag</span> nil)
</pre>
</div>

<p>
Save custom-variables somewhere else.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> custom-file (expand-file-name <span style="color: #ffffaf;">"custom.el"</span> user-emacs-directory))
(<span style="color: #87afd7;">if</span> (file-exists-p custom-file)
    (load custom-file))
</pre>
</div>
</div>
</div>
</div>

<div id="outline-container-sec-4" class="outline-2">
<h2 id="sec-4"><span class="section-number-2">4</span> Calendar</h2>
<div class="outline-text-2" id="text-4">
<p>
We catalans start our weeks on Monday.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defvar</span> <span style="color: #d0d0d0;">calendar-week-start-day</span> 1)
</pre>
</div>

<p>
Global key binding.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(global-set-key (kbd <span style="color: #ffffaf;">"M-c"</span>) 'calendar)
</pre>
</div>

<p>
Fix some stuff for evil mode.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">with-eval-after-load</span> <span style="color: #ffffaf;">"evil"</span>
  (evil-set-initial-state 'calendar-mode 'normal)
  (<span style="color: #87afd7;">evil-define-key</span> 'normal calendar-mode-map
    <span style="color: #ffffaf;">"j"</span> 'calendar-forward-week
    <span style="color: #ffffaf;">"k"</span> 'calendar-backward-week
    <span style="color: #ffffaf;">"b"</span> 'calendar-backward-day
    <span style="color: #ffffaf;">"h"</span> 'calendar-backward-day
    <span style="color: #ffffaf;">"l"</span> 'calendar-forward-day
    <span style="color: #ffffaf;">"w"</span> 'calendar-forward-day
    <span style="color: #ffffaf;">"q"</span> 'calendar-exit
    <span style="color: #ffffaf;">"\C-h"</span> 'evil-window-left
    <span style="color: #ffffaf;">"\C-l"</span> 'evil-window-right
    <span style="color: #ffffaf;">"\C-j"</span> 'evil-window-down
    <span style="color: #ffffaf;">"\C-k"</span> 'evil-window-up
    <span style="color: #ffffaf;">"\C-n"</span> 'calendar-scroll-left-three-months
    <span style="color: #ffffaf;">"\C-p"</span> 'calendar-scroll-right-three-months))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-5" class="outline-2">
<h2 id="sec-5"><span class="section-number-2">5</span> General purpose defuns</h2>
<div class="outline-text-2" id="text-5">
<p>
I want to read the latest news. That's why I define a function that downloads
the <code>NEWS</code> file from the git server and then opens it in a buffer.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-view-emacs-latest-news</span> ()
  <span style="color: #808080;">"Allow users to fetch the latest Emacs' NEWS file."</span>
  (<span style="color: #87afd7;">interactive</span>)

  (url-copy-file
   <span style="color: #ffffaf;">"http://git.savannah.gnu.org/cgit/emacs.git/plain/etc/NEWS"</span>
   <span style="color: #ffffaf;">"/tmp/emacs-news"</span> t)

  (find-file-read-only <span style="color: #ffffaf;">"/tmp/emacs-news"</span> t))
</pre>
</div>

<p>
Sometimes I want to debug my initialization time.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">emacs-init-time</span> ()
  <span style="color: #808080;">"Redefine the `</span><span style="color: #ffffaf;">emacs-init-time</span><span style="color: #808080;">' function so it is more detailed.</span>
<span style="color: #808080;">Idea taken from @purcell."</span>

  (<span style="color: #87afd7;">interactive</span>)
  (<span style="color: #87afd7;">let</span> ((init-time
         (float-time (time-subtract after-init-time before-init-time))))
    (message <span style="color: #ffffaf;">"%.3fs"</span> init-time)))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-6" class="outline-2">
<h2 id="sec-6"><span class="section-number-2">6</span> Lisp packages</h2>
<div class="outline-text-2" id="text-6">
</div><div id="outline-container-sec-6-1" class="outline-3">
<h3 id="sec-6-1"><span class="section-number-3">6.1</span> Custom packages</h3>
<div class="outline-text-3" id="text-6-1">
<p>
Compile the <code>g.el</code> script and bind it to <kbd>M-g</kbd>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(byte-compile-file (concat user-emacs-directory <span style="color: #ffffaf;">"lisp/g.el"</span>) t)
(global-set-key (kbd <span style="color: #ffffaf;">"M-g"</span>) 'g)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-6-2" class="outline-3">
<h3 id="sec-6-2"><span class="section-number-3">6.2</span> use-package</h3>
<div class="outline-text-3" id="text-6-2">
<p>
Initialize package.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">package</span>)

(add-to-list 'package-archives
             '(<span style="color: #ffffaf;">"melpa"</span> . <span style="color: #ffffaf;">"http://melpa.milkbox.net/packages/"</span>) t)
(add-to-list 'package-archives
             '(<span style="color: #ffffaf;">"melpa-stable"</span> . <span style="color: #ffffaf;">"https://stable.melpa.org/packages/"</span>) t)

(package-initialize)
</pre>
</div>

<p>
I'm using use-package to handle my installed packages. I don't know if it's
the best option or what because I haven't tested all the package managers
for Emacs out there. After trying some custom functions to handle
package-install, I decided on use-package because I feel more well-organized.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">unless</span> (package-installed-p 'use-package)
  (package-refresh-contents)
  (package-install 'use-package))
</pre>
</div>

<p>
Some <code>use-package</code> calls require <code>diminish.el</code> to be available. So, let's
require it here on the very top.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">diminish</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>
</div>
</div>
</div>

<div id="outline-container-sec-7" class="outline-2">
<h2 id="sec-7"><span class="section-number-2">7</span> Project</h2>
<div class="outline-text-2" id="text-7">
<p>
First of all, load the silver searcher, which is a convenient and fast searcher.
Ayo silver!
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">ag</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  <span style="color: #808080;">; </span><span style="color: #808080;">Avoid some disagreements between ag and evil.</span>
  (<span style="color: #87afd7;">with-eval-after-load</span> 'evil
    (add-hook 'ag-mode-hook
              (<span style="color: #87afd7;">lambda</span> ()
                (define-key ag-mode-map (kbd <span style="color: #ffffaf;">"n"</span>) 'evil-search-next)
                (define-key ag-mode-map (kbd <span style="color: #ffffaf;">"N"</span>) 'evil-search-previous)
                (define-key ag-mode-map (kbd <span style="color: #ffffaf;">"gg"</span>) 'evil-goto-first-line))))
  (<span style="color: #87afd7;">setq</span> ag-reuse-buffers t)
  (<span style="color: #87afd7;">setq</span> ag-reuse-window t))
</pre>
</div>

<p>
Then, for keeping up with my projects I use the Projectile + Helm combination.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">projectile</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (projectile-mode 1))

(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">helm</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (<span style="color: #87afd7;">setq</span> projectile-completion-system 'helm)

  <span style="color: #808080;">; </span><span style="color: #808080;">Allow the search pattern to be on the header. Taken from this Reddit thread:</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">https://www.reddit.com/r/emacs/comments/3asbyn/new_and_very_useful_helm_feature_enter_search/</span>
  (<span style="color: #87afd7;">setq</span> helm-echo-input-in-header-line t)

  (<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">helm-hide-minibuffer-maybe</span> ()
    <span style="color: #808080;">"Hide the minibuffer if we are in a Helm session"</span>

    (<span style="color: #87afd7;">when</span> (<span style="color: #87afd7;">with-helm-buffer</span> helm-echo-input-in-header-line)
      (<span style="color: #87afd7;">let</span> ((ov (make-overlay (point-min) (point-max) nil nil t)))
        (overlay-put ov 'window (selected-window))
        (overlay-put ov 'face (<span style="color: #87afd7;">let</span> ((bg-color (face-background 'default nil)))
                                `(<span style="color: #87afd7;">:background</span> ,bg-color <span style="color: #87afd7;">:foreground</span> ,bg-color)))
        (<span style="color: #87afd7;">setq-local</span> cursor-type nil))))

  (add-hook 'helm-minibuffer-set-up-hook 'helm-hide-minibuffer-maybe)
  (<span style="color: #87afd7;">setq</span> helm-split-window-inside-p t)

  <span style="color: #808080;">; </span><span style="color: #808080;">Preview files with tab</span>
  (define-key helm-map (kbd <span style="color: #ffffaf;">"&lt;tab&gt;"</span>) 'helm-execute-persistent-action)

  <span style="color: #808080;">; </span><span style="color: #808080;">Show available options</span>
  (define-key helm-map (kbd <span style="color: #ffffaf;">"C-a"</span>)  'helm-select-action)

  <span style="color: #808080;">; </span><span style="color: #808080;">Some vim-like bindings</span>
  (define-key helm-map (kbd <span style="color: #ffffaf;">"C-j"</span>) 'helm-next-line)
  (define-key helm-map (kbd <span style="color: #ffffaf;">"C-k"</span>) 'helm-previous-line)

  (global-set-key (kbd <span style="color: #ffffaf;">"M-x"</span>) 'helm-M-x)

  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">helm-ag</span>
    <span style="color: #87afd7;">:ensure</span> t))

(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">helm-projectile</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (helm-projectile-on)

  <span style="color: #808080;">; </span><span style="color: #808080;">Define M-p as a way to quickly list all the available projects.</span>
  (<span style="color: #87afd7;">with-eval-after-load</span> 'evil
    (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"M-p"</span>)
      'helm-projectile-switch-project)))
</pre>
</div>

<p>
I use <kbd>C-p</kbd> as the binding for listing relevant files. This
binding works either by using <code>helm-projectile</code> or the regular <code>helm-find</code>
function. As a final touch, this binding also works for listing channels in ERC
buffers.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-erc-helm-buffer-list</span> ()
  <span style="color: #808080;">"Returns a list with the ERC buffers."</span>
  (mapcar 'buffer-name (erc-buffer-list)))

(<span style="color: #87afd7;">defconst</span> <span style="color: #d0d0d0;">mssola-helm-source-erc-channel-list</span>
      '((name . <span style="color: #ffffaf;">"ERC Channels"</span>)
        (candidates . mssola-erc-helm-buffer-list)
        (action . switch-to-buffer)))

(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-erc-helm-switch-buffer</span> ()
  <span style="color: #808080;">"Use helm to select an active ERC buffer."</span>

  (<span style="color: #87afd7;">interactive</span>)

  (helm <span style="color: #87afd7;">:sources</span> '(mssola-helm-source-erc-channel-list)
        <span style="color: #87afd7;">:buffer</span> <span style="color: #ffffaf;">"*helm-erc-channels*"</span>))

(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-find-file</span> ()
  <span style="color: #808080;">"Call the proper Helm function for finding files."</span>

  (<span style="color: #87afd7;">interactive</span>)

  (<span style="color: #87afd7;">if</span> (string= major-mode <span style="color: #ffffaf;">"erc-mode"</span>)
      (mssola-erc-helm-switch-buffer)
    (<span style="color: #87afd7;">condition-case</span> nil
        (helm-projectile-find-file)
      (<span style="color: #b9dc92;">error</span>
       (helm-find-files nil)))))

(<span style="color: #87afd7;">with-eval-after-load</span> 'evil
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-p"</span>) 'mssola-find-file))
</pre>
</div>

<p>
Similarly, <code>helm-ag</code> has two functions for applying <code>ag</code> on the project. I'm
binding to <kbd>,a</kbd> a function that calls to the proper function.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-helm-ag</span> ()
  <span style="color: #808080;">"Call the right ag command for helm-ag."</span>

  (<span style="color: #87afd7;">interactive</span>)

  (<span style="color: #87afd7;">condition-case</span> nil
      (helm-ag-project-root)
    (<span style="color: #b9dc92;">error</span> (helm-ag))))

(<span style="color: #87afd7;">with-eval-after-load</span> 'evil-leader
  (evil-leader/set-key <span style="color: #ffffaf;">"a"</span> 'mssola-helm-ag))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-8" class="outline-2">
<h2 id="sec-8"><span class="section-number-2">8</span> Edit</h2>
<div class="outline-text-2" id="text-8">
<p>
In this section I define some useful packages for editing. First of all, one of
the coolest packages out there is <code>undo-tree</code>. It allows you to navigate through
the undo history in a tree (because GNU Emacs is cool and keeps track of undo
actions in a tree structure instead of in a stack). This package is included in
recent versions of GNU Emacs.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">with-eval-after-load</span> 'undo-tree
  (global-undo-tree-mode 1)

  (<span style="color: #87afd7;">setq</span> undo-tree-visualizer-diff t
        undo-tree-visualizer-timestamps t
        undo-tree-visualizer-relative-timestamps t)

  (diminish 'undo-tree-mode)

  (<span style="color: #87afd7;">with-eval-after-load</span> 'evil-leader
    (evil-leader/set-key
      <span style="color: #ffffaf;">"u"</span> 'undo-tree-visualize)))
</pre>
</div>

<p>
Another important package is <code>flycheck</code>, which is an on-the-fly syntax checking
extension. This works with lots of languages with proper glue code.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">let-alist</span>
  <span style="color: #87afd7;">:ensure</span> t)

(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">flycheck</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:diminish</span>
  <span style="color: #87afd7;">:config</span>
  (add-hook 'after-init-hook 'global-flycheck-mode)

  <span style="color: #808080;">;; </span><span style="color: #808080;">Only show the errors buffer if it isn't there and if I'm saving the</span>
  <span style="color: #808080;">;; </span><span style="color: #808080;">buffer.</span>
  (<span style="color: #87afd7;">setq</span> flycheck-emacs-lisp-load-path 'inherit)
  (<span style="color: #87afd7;">setq</span> flycheck-check-syntax-automatically '(mode-enabled save))
  (<span style="color: #87afd7;">setq</span> flycheck-display-errors-function
    #'flycheck-display-error-messages-unless-error-list))
</pre>
</div>

<p>
A recurring issue in speeches and presentations is that when showing something
with your editor, you have to increase/decrease the fonts. I use the
<code>default-text-scale</code> package for this.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">default-text-scale</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (global-set-key (kbd <span style="color: #ffffaf;">"C-+"</span>) 'default-text-scale-increase)
  (global-set-key (kbd <span style="color: #ffffaf;">"C--"</span>) 'default-text-scale-decrease))
</pre>
</div>

<p>
Some languages use some delimiters a lot (e.g. lisp languages and
parenthesis). For this reason I'm using the <code>rainbow-delimiters</code> package, which
properly highlights each level in a different way (provided that your theme
supports it).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">rainbow-delimiters</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>

<p>
I never use the mouse.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">disable-mouse</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (global-disable-mouse-mode)
  (<span style="color: #87afd7;">setq</span> global-disable-mouse-mode-lighter <span style="color: #ffffaf;">""</span>))
</pre>
</div>

<p>
Sometimes you begin typing a prefix, but then you forget the following
chord. For this reason <code>which-key</code> was created. It will show the available
commands for the current chord as a list.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">which-key</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:diminish</span> which-key-mode
  <span style="color: #87afd7;">:config</span>
  (which-key-mode))
</pre>
</div>

<p>
For some modes it is important to count the number of words in the text. For
this, we have <code>wc-mode</code>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">wc-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>

<p>
Next on the list, we have <code>writeroom-mode</code>. I honestly don't use this package
that often, but it's cool to have a distraction-free screen from time to time.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">writeroom-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>

<p>
The <code>expand-region</code> package is an extension that is based on a Vim one, which
expands the region of selection with a single key chord. Even if evil covers
most of my uses, it's convenient to have this tool anyways.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">expand-region</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  <span style="color: #808080;">; </span><span style="color: #808080;">Set C-e as the expand command (mnemonic: expand). This command will</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">supercede the evil binding for "move one line", which I never use anyways.</span>
  (global-set-key (kbd <span style="color: #ffffaf;">"\C-e"</span>) 'er/expand-region)
  (<span style="color: #87afd7;">with-eval-after-load</span> 'evil
    (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"\C-e"</span>) 'er/expand-region)
    (define-key evil-visual-state-map (kbd <span style="color: #ffffaf;">"\C-e"</span>) 'er/expand-region)))

(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">er/add-text-mode-expansions</span> ()
  <span style="color: #808080;">"This way we can also expand the region into paragraphs &amp; pages in text mode.</span>
<span style="color: #808080;">Directly taken from: https://github.com/magnars/expand-region.el."</span>

  (set (make-local-variable 'er/try-expand-list) (append
                                                  er/try-expand-list
                                                  '(mark-paragraph
                                                    mark-page))))

(add-hook 'text-mode-hook 'er/add-text-mode-expansions)
</pre>
</div>

<p>
Editing files as root is a bit of a pain because usually the root user doesn't
have the same configuration as the current one, and attempting to do so can be
messy. So, instead of that, we could advice the <code>find-file</code> function so if the
file is not writable by the current user, then GNU Emacs will ask for editing
this same file as root:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defadvice</span> <span style="color: #d0d0d0;">find-file</span> (after find-file-sudo activate)
  <span style="color: #808080;">"Find file as root if necessary."</span>
  (<span style="color: #87afd7;">if</span> (<span style="color: #87afd7;">and</span> buffer-file-name
           (not (file-writable-p buffer-file-name)))
    (<span style="color: #87afd7;">if</span> (yes-or-no-p <span style="color: #ffffaf;">"Do you want to edit this file as root?"</span>)
        (find-alternate-file (concat <span style="color: #ffffaf;">"/sudo:root@localhost:"</span> buffer-file-name)))))
</pre>
</div>

<p>
<code>YASnippet</code> allows people to define shortcuts for writing some common blocks.
Moreover, it comes with a set of builtin snippets already. Since I don't
remember some of these snippets, I've mapped <kbd>, h</kbd> to
<code>yas-describe-tables</code>, which shows the available snippets in another buffer.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">yasnippet</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:diminish</span> yas-minor-mode
  <span style="color: #87afd7;">:init</span> (yas-global-mode)
  <span style="color: #87afd7;">:config</span>
  (yas-global-mode 1)
  (<span style="color: #87afd7;">with-eval-after-load</span> 'evil-leader
    (evil-leader/set-key <span style="color: #ffffaf;">"h"</span> 'yas-describe-tables)))
</pre>
</div>

<p>
<code>bool-flip</code> is a very simple utility that toggles truthy/falsey values.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">bool-flip</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (global-set-key (kbd <span style="color: #ffffaf;">"C-c b"</span>) 'bool-flip-do-flip))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-9" class="outline-2">
<h2 id="sec-9"><span class="section-number-2">9</span> Dired</h2>
<div class="outline-text-2" id="text-9">
<p>
I use dired mode mainly for attaching document into emails. That being said,
whenever I use it, I want basic evil movement.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">with-eval-after-load</span> 'evil
  (<span style="color: #87afd7;">evil-add-hjkl-bindings</span> dired-mode-map 'normal
    (kbd <span style="color: #ffffaf;">"w"</span>) 'evil-forward-word-begin))
</pre>
</div>

<p>
I also extend <code>dired</code> with some handy tweaks.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> directory-free-space-args <span style="color: #ffffaf;">"-Pkh"</span>
      dired-dwim-target t
      dired-omit-mode nil
      dired-recursive-copies 'always
      dired-recursive-deletes 'always
      delete-old-versions t)
</pre>
</div>

<p>
And now instruct dired mode how to attach files when using mu4e. This is taken
from the <a href="https://www.djcbsoftware.nl/code/mu/mu4e/Dired.html#Dired">mu4e documentation</a>, and it's available by typing
<kbd>C-c RET C-a</kbd>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">gnus-dired</span>)

<span style="color: #808080;">;; </span><span style="color: #808080;">Make the `</span><span style="color: #ffffaf;">gnus-dired-mail-buffers</span><span style="color: #808080;">' function also work on message-mode derived</span>
<span style="color: #808080;">;; </span><span style="color: #808080;">modes, such as mu4e-compose-mode.</span>
(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">gnus-dired-mail-buffers</span> ()
  <span style="color: #808080;">"Return a list of active message buffers."</span>

  (<span style="color: #87afd7;">let</span> (buffers)
    (<span style="color: #87afd7;">save-current-buffer</span>
      (<span style="color: #87afd7;">dolist</span> (buffer (buffer-list t))
        (set-buffer buffer)
        (<span style="color: #87afd7;">when</span> (<span style="color: #87afd7;">and</span> (derived-mode-p 'message-mode)
                (null message-sent-message-via))
          (<span style="color: #87afd7;">push</span> (buffer-name buffer) buffers))))
    (nreverse buffers)))

(<span style="color: #87afd7;">setq</span> gnus-dired-mail-mode 'mu4e-user-agent)
(add-hook 'dired-mode-hook 'turn-on-gnus-dired-mode)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-10" class="outline-2">
<h2 id="sec-10"><span class="section-number-2">10</span> Evil</h2>
<div class="outline-text-2" id="text-10">
<p>
Forgive me, <a href="https://stallman.org/saint.html">Father</a>, for I have sinned. I've been exposed to modal editing
through Vim, and that has changed how I view editing for the foreseeable future.
Because of this, I use Evil. The following blocks include some heavy-lifting so
Evil and GNU Emacs work without hitting each other, and it also includes some
Evil extensions.
</p>

<p>
First of all, let's define a function that will be called whenever Evil is loaded.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-evil</span> ()
  <span style="color: #808080;">"Configure evil mode."</span>

  <span style="color: #808080;">; </span><span style="color: #808080;">We can safely remap &lt;C-u&gt; because the counting will be handled a-la Vim.</span>
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-u"</span>) 'evil-scroll-up)

  <span style="color: #808080;">; </span><span style="color: #808080;">Make window navigation easier.</span>
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-j"</span>) 'evil-window-down)
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-k"</span>) 'evil-window-up)
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-l"</span>) 'evil-window-right)
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-h"</span>) 'evil-window-left)

  <span style="color: #808080;">; </span><span style="color: #808080;">The window navigation tweaks effectively wipe out the help prefix, which</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">is bad. Fortunately we can workaround this by providing "M-h" as the new</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">help prefix. This prefix is only used in emacs mode to mark lines, which is</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">something already handled by Evil.</span>
  (define-key global-map (kbd <span style="color: #ffffaf;">"M-h"</span>) 'help-command)
  (fset 'help-command help-map)

  <span style="color: #808080;">; </span><span style="color: #808080;">I use the Super key in combination with j &amp; k to move around i3. Let's unset</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">M- combos for these two fellows for whenever I misstype them.</span>
  (global-unset-key (kbd <span style="color: #ffffaf;">"M-j"</span>))
  (global-unset-key (kbd <span style="color: #ffffaf;">"M-k"</span>))

  <span style="color: #808080;">; </span><span style="color: #808080;">both this function and the subsequent lines about [escape] are taken from</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">@aaronbieber configuration.</span>
  (<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">minibuffer-keyboard-quit</span> ()
    <span style="color: #808080;">"Abort recursive edit.</span>
<span style="color: #808080;">In Delete Selection mode, if the mark is active, just deactivate it;</span>
<span style="color: #808080;">then it takes a second \\[</span><span style="color: #ffffaf;">keyboard-quit</span><span style="color: #808080;">] to abort the minibuffer."</span>
    (<span style="color: #87afd7;">interactive</span>)
    (<span style="color: #87afd7;">if</span> (<span style="color: #87afd7;">and</span> delete-selection-mode transient-mark-mode mark-active)
        (<span style="color: #87afd7;">setq</span> deactivate-mark  t)
      (<span style="color: #87afd7;">when</span> (get-buffer <span style="color: #ffffaf;">"*Completions*"</span>) (delete-windows-on <span style="color: #ffffaf;">"*Completions*"</span>))
      (abort-recursive-edit)))

  <span style="color: #808080;">;; </span><span style="color: #808080;">Make escape quit everything, whenever possible.</span>
  (define-key evil-normal-state-map [escape] 'keyboard-quit)
  (define-key evil-visual-state-map [escape] 'keyboard-quit)
  (define-key minibuffer-local-map [escape] 'minibuffer-keyboard-quit)
  (define-key minibuffer-local-ns-map [escape] 'minibuffer-keyboard-quit)
  (define-key minibuffer-local-completion-map [escape] 'minibuffer-keyboard-quit)
  (define-key minibuffer-local-must-match-map [escape] 'minibuffer-keyboard-quit)
  (define-key minibuffer-local-isearch-map [escape] 'minibuffer-keyboard-quit)

  <span style="color: #808080;">; </span><span style="color: #808080;">I store macros on the &lt;q&gt; register for convenience, so I used to use the</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">&lt;C-q&gt; combo to execute this macro in Vim. In Emacs though, this combo is</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">reserved to a rather useful function, and I'd like to keep it that way. So,</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">now the mapping is set to &lt;C-2&gt; (mnemonic: where the @ symbol is). Moreover,</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">it's applied as many times as specified by the numeric prefix argument.</span>
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-2"</span>)
    (<span style="color: #87afd7;">lambda</span> (n)
      (<span style="color: #87afd7;">interactive</span> <span style="color: #ffffaf;">"p"</span>)
      (evil-execute-macro n <span style="color: #ffffaf;">"@q"</span>)))

  <span style="color: #808080;">; </span><span style="color: #808080;">C-s: switch to normal mode and save the buffer. I know :)</span>
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-s"</span>) 'save-buffer)
  (define-key evil-insert-state-map (kbd <span style="color: #ffffaf;">"C-s"</span>)
    (<span style="color: #87afd7;">lambda</span> () (<span style="color: #87afd7;">interactive</span>) (save-buffer) (evil-force-normal-state))))
</pre>
</div>

<p>
Now make sure that Evil is installed, and call the relevant configuration functions.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (add-hook 'evil-mode-hook 'mssola-evil)
  (evil-mode 1)

  <span style="color: #808080;">;; </span><span style="color: #808080;">C-z is unused and it's close to my beloved C-c. Since I don't want to mess</span>
  <span style="color: #808080;">;; </span><span style="color: #808080;">with one of the most sacred Emacs prefixes, I'm moving to C-z.</span>
  (define-key key-translation-map (kbd <span style="color: #ffffaf;">"C-z"</span>) [escape])
  (define-key evil-operator-state-map (kbd <span style="color: #ffffaf;">"C-z"</span>) 'keyboard-quit)
  (set-quit-char <span style="color: #ffffaf;">"C-z"</span>)

  <span style="color: #808080;">;; </span><span style="color: #808080;">Use the proper initial evil state for the following modes.</span>
  (evil-set-initial-state 'help-mode 'normal)
  (evil-set-initial-state 'debugger-mode 'normal)
  (evil-set-initial-state 'describe-mode 'normal)
  (evil-set-initial-state 'Buffer-menu-mode 'normal)
</pre>
</div>

<p>
If Evil was properly loaded, then make sure that the following Evil-related
packages are installed and configured as well. I start by defining the
<code>evil-leader</code> package, which brings the <kbd>leader</kbd> feature from
Vim into Evil.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil-leader</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (global-evil-leader-mode)
  (evil-leader/set-leader <span style="color: #ffffaf;">","</span>)
  (<span style="color: #87afd7;">setq</span> evil-leader/in-all-states 1)
  (evil-leader/set-key
    <span style="color: #ffffaf;">","</span> 'back-to-indentation
    <span style="color: #ffffaf;">"c"</span> 'delete-window
    <span style="color: #ffffaf;">"k"</span> 'kill-buffer-and-window
    <span style="color: #ffffaf;">"v"</span> 'split-window-right
    <span style="color: #ffffaf;">"V"</span> (<span style="color: #87afd7;">lambda</span> () (<span style="color: #87afd7;">interactive</span>) (split-window-right) (other-window 1))
    <span style="color: #ffffaf;">"f"</span> 'flycheck-list-errors
    <span style="color: #ffffaf;">"e"</span> 'eval-last-sexp
    <span style="color: #ffffaf;">"b"</span> 'view-buffer
    <span style="color: #ffffaf;">"o"</span> 'browse-url-at-point))
</pre>
</div>

<p>
Another handy Vim plugin that has made it into Evil is <code>evil-surround</code>, which
defines a new text object for surrounding characters (e.g. change a string from
having double quotes with single quotes in a single command).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil-surround</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (global-evil-surround-mode 1))
</pre>
</div>

<p>
Next is another Vim plugin that has been ported to Evil: <code>evil-commentary</code>. This
package defines a new motion for comments, which is bound to
<kbd>gc</kbd>. So, for example, <kbd>gcc</kbd> will comment
the current line, regardless of the programming language.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil-commentary</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (evil-commentary-mode t))
</pre>
</div>

<p>
Another cool package is <code>evil-args</code> which defines the argument text object. This
text object can be targeted with the <code>a</code> character, and we can move backward and
forward through arguments with <kbd>H</kbd> and <kbd>L</kbd>
respectively.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil-args</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">Configuration taken from the documentation of evil-args.</span>

  <span style="color: #808080;">;; </span><span style="color: #808080;">Bind evil-args text objects</span>
  (define-key evil-inner-text-objects-map <span style="color: #ffffaf;">"a"</span> 'evil-inner-arg)
  (define-key evil-outer-text-objects-map <span style="color: #ffffaf;">"a"</span> 'evil-outer-arg)

  <span style="color: #808080;">;; </span><span style="color: #808080;">Bind evil-forward/backward-args</span>
  (define-key evil-normal-state-map <span style="color: #ffffaf;">"L"</span> 'evil-forward-arg)
  (define-key evil-normal-state-map <span style="color: #ffffaf;">"H"</span> 'evil-backward-arg)
  (define-key evil-motion-state-map <span style="color: #ffffaf;">"L"</span> 'evil-forward-arg)
  (define-key evil-motion-state-map <span style="color: #ffffaf;">"H"</span> 'evil-backward-arg))
</pre>
</div>

<p>
Last but not least, <code>evil-numbers</code> brings a couple of bindings available to Vim
into Evil: <kbd>C-a</kbd> for increasing a number, and
<kbd>C-c -</kbd> for decreasing it (modified because
<kbd>C-z</kbd> is my escape sequence).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil-numbers</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-a"</span>) 'evil-numbers/inc-at-pt)
  (define-key evil-normal-state-map (kbd <span style="color: #ffffaf;">"C-c -"</span>) 'evil-numbers/dec-at-pt)))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-11" class="outline-2">
<h2 id="sec-11"><span class="section-number-2">11</span> Magit</h2>
<div class="outline-text-2" id="text-11">
<p>
A git porcelain for GNU Emacs. Even if I'm still using the git CLI, it's
certainly useful for some common tasks (I guess that I still need some learning).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">magit</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
</pre>
</div>

<p>
In some cases normal mode is not the right mode (e.g. commit mode). For these
cases, set the proper default mode.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">with-eval-after-load</span> 'evil
  (add-hook 'git-commit-mode-hook 'evil-insert-state)
  (evil-set-initial-state 'magit-log-edit-mode 'insert))
</pre>
</div>

<p>
When showing the status, hide the usually-redundant "branch" section and show
the rest.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-hook 'magit-section-set-visibility-hook
          '(lambda (section)
             (<span style="color: #87afd7;">if</span> (string= (magit-section-type section) <span style="color: #ffffaf;">"branch"</span>)
                 'hide
               'show)))
</pre>
</div>

<p>
Set a key binding for <code>magit-log-buffer-file</code>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(global-set-key (kbd <span style="color: #ffffaf;">"C-c l"</span>) 'magit-log-buffer-file)
</pre>
</div>

<p>
And repair some key bindings from Evil mode.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">with-eval-after-load</span> 'evil-leader
  (evil-leader/set-key <span style="color: #ffffaf;">"s"</span> 'magit-status)

  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil-magit</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>

    <span style="color: #808080;">; </span><span style="color: #808080;">The magit + evil-magit combo messes up some chords, let's fix this.</span>
    (<span style="color: #87afd7;">evil-define-key</span> 'normal magit-mode-map
      <span style="color: #ffffaf;">"\C-h"</span> 'evil-window-left
      <span style="color: #ffffaf;">"\C-l"</span> 'evil-window-right
      <span style="color: #ffffaf;">"\C-j"</span> 'evil-window-down
      <span style="color: #ffffaf;">"\C-k"</span> 'evil-window-up
      <span style="color: #ffffaf;">"\M-p"</span>  'helm-projectile-switch-project))))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-12" class="outline-2">
<h2 id="sec-12"><span class="section-number-2">12</span> mu4e</h2>
<div class="outline-text-2" id="text-12">
<p>
I use <a href="http://www.djcbsoftware.nl/code/mu/">mu</a> and <a href="http://www.djcbsoftware.nl/code/mu/mu4e.html">mu4e</a> to manage my email. The configuration for this has been taken
mainly from the documentation, plus some cool remarks on Reddit. This
configuration makes quite some assumptions. Read the <code>emacs/README.org</code> file as
provided in my <a href="https://github.com/mssola/dotfiles">dotfiles</a> project to get more details.
</p>

<p>
I'm using an RPM that I've built on <a href="https://build.opensuse.org/package/show/home:mssola/mu">OBS</a> which installs mu4e globally.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-to-list 'load-path <span style="color: #ffffaf;">"/usr/share/emacs/site-lisp/mu4e"</span>)
(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">mu4e</span>)

(<span style="color: #87afd7;">when</span> (<span style="color: #87afd7;">featurep</span> '<span style="color: #ffffaf;">mu4e</span>)
</pre>
</div>

<p>
Diferent SMTP options that will be used for each context.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> message-send-mail-function 'smtpmail-send-it
      mu4e-maildir (expand-file-name <span style="color: #ffffaf;">"~/.mail"</span>)
      starttls-use-gnutls t)
</pre>
</div>

<p>
After that, I am defining some functions that will be used in various parts of
the configuration.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-smtp</span> (server port)
  <span style="color: #808080;">"Set SMTP variables depending on the given SERVER and PORT."</span>

  (<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">smtpmail</span>)

  (<span style="color: #87afd7;">setq</span> smtpmail-starttls-credentials
        '((server port nil nil))
        smtpmail-auth-credentials
        (expand-file-name <span style="color: #ffffaf;">"~/.authinfo.gpg"</span>)
        smtpmail-default-smtp-server server
        smtpmail-smtp-server server
        smtpmail-smtp-service port))

<span style="color: #808080;">; </span><span style="color: #808080;">https://www.reddit.com/r/emacs/comments/47t9ec/share_your_mu4econtext_configs/d0fsih6</span>
(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mu4e-message-maildir-matches</span> (msg rx)
  <span style="color: #808080;">"Returns true if the maildir of MSG matches the given regexp RX."</span>

  (<span style="color: #87afd7;">when</span> rx
    (<span style="color: #87afd7;">if</span> (listp rx)
        <span style="color: #808080;">;; </span><span style="color: #808080;">if rx is a list, try each one for a match</span>
        (<span style="color: #87afd7;">or</span> (mu4e-message-maildir-matches msg (car rx))
            (mu4e-message-maildir-matches msg (cdr rx)))
      <span style="color: #808080;">;; </span><span style="color: #808080;">not a list, check rx</span>
      (string-match rx (mu4e-message-field msg <span style="color: #87afd7;">:maildir</span>)))))

(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">suse-refile-folder</span> (key)
  <span style="color: #808080;">"Returns the refile folder for the given SUSE account in the KEY arg"</span>
  (concat <span style="color: #ffffaf;">"/"</span> key <span style="color: #ffffaf;">"/Archives/"</span>
          (format-time-string <span style="color: #ffffaf;">"%Y"</span> (current-time))))
</pre>
</div>

<p>
Now it's time to define the different contexts that I have. Defining contexts
this way is relatively new (since mu 0.9.16).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-contexts
      `(
        <span style="color: #808080;">;; </span><span style="color: #808080;">GMail</span>
        ,(make-mu4e-context
          <span style="color: #87afd7;">:name</span> <span style="color: #ffffaf;">"gmail"</span>
          <span style="color: #87afd7;">:enter-func</span> (<span style="color: #87afd7;">lambda</span> ()
                        (mu4e-message <span style="color: #ffffaf;">"Switching to gmail.com"</span>)
                        (mssola-smtp <span style="color: #ffffaf;">"smtp.gmail.com"</span> 587))
          <span style="color: #87afd7;">:match-func</span> (<span style="color: #87afd7;">lambda</span> (msg)
                        (<span style="color: #87afd7;">when</span> msg
                          (mu4e-message-maildir-matches msg <span style="color: #ffffaf;">"^/gmail"</span>)))
          <span style="color: #87afd7;">:vars</span> '(
                  (user-mail-address     . <span style="color: #ffffaf;">"mikisabate@gmail.com"</span>)
                  (mu4e-reply-to-address . <span style="color: #ffffaf;">"mikisabate@gmail.com"</span>)
                  (mu4e-drafts-folder    . <span style="color: #ffffaf;">"/gmail/Drafts"</span>)
                  (mu4e-sent-folder      . <span style="color: #ffffaf;">"/gmail/Sent"</span>)
                  (mu4e-refile-folder    . <span style="color: #ffffaf;">"/gmail/All"</span>)
                  (mu4e-trash-folder     . <span style="color: #ffffaf;">"/gmail/Trash"</span>)))

        <span style="color: #808080;">;; </span><span style="color: #808080;">suse.com</span>
        ,(make-mu4e-context
          <span style="color: #87afd7;">:name</span> <span style="color: #ffffaf;">"comsuse"</span>
          <span style="color: #87afd7;">:enter-func</span> (<span style="color: #87afd7;">lambda</span> ()
                        (mu4e-message <span style="color: #ffffaf;">"Switching to suse.com"</span>)
                        (mssola-smtp <span style="color: #ffffaf;">"smtp.novell.com"</span> 25))
          <span style="color: #87afd7;">:match-func</span> (<span style="color: #87afd7;">lambda</span> (msg)
                        (<span style="color: #87afd7;">when</span> msg
                          (mu4e-message-maildir-matches msg <span style="color: #ffffaf;">"^/susecom"</span>)))
          <span style="color: #87afd7;">:vars</span> `(
                  (user-mail-address     . <span style="color: #ffffaf;">"msabate@suse.com"</span>)
                  (mu4e-reply-to-address . <span style="color: #ffffaf;">"msabate@suse.com"</span>)
                  (mu4e-drafts-folder    . <span style="color: #ffffaf;">"/susecom/Drafts"</span>)
                  (mu4e-sent-folder      . <span style="color: #ffffaf;">"/susecom/Sent"</span>)
                  (mu4e-refile-folder    . ,(suse-refile-folder <span style="color: #ffffaf;">"susecom"</span>))
                  (mu4e-trash-folder     . <span style="color: #ffffaf;">"/susecom/Trash"</span>)))

        <span style="color: #808080;">;; </span><span style="color: #808080;">suse.de</span>
        ,(make-mu4e-context
          <span style="color: #87afd7;">:name</span> <span style="color: #ffffaf;">"desuse"</span>
          <span style="color: #87afd7;">:enter-func</span> (<span style="color: #87afd7;">lambda</span> ()
                        (mu4e-message <span style="color: #ffffaf;">"Switching to suse.de"</span>)
                        (mssola-smtp <span style="color: #ffffaf;">"imap.suse.de"</span> 587))
          <span style="color: #87afd7;">:match-func</span> (<span style="color: #87afd7;">lambda</span> (msg)
                        (<span style="color: #87afd7;">when</span> msg
                          (mu4e-message-maildir-matches msg <span style="color: #ffffaf;">"^/susede"</span>)))
          <span style="color: #87afd7;">:vars</span> `(
                  (user-mail-address     . <span style="color: #ffffaf;">"msabate@suse.de"</span>)
                  (mu4e-reply-to-address . <span style="color: #ffffaf;">"msabate@suse.de"</span>)
                  (mu4e-drafts-folder    . <span style="color: #ffffaf;">"/susede/Drafts"</span>)
                  (mu4e-sent-folder      . <span style="color: #ffffaf;">"/susede/Sent"</span>)
                  (mu4e-refile-folder    . ,(suse-refile-folder <span style="color: #ffffaf;">"susede"</span>))
                  (mu4e-trash-folder     . <span style="color: #ffffaf;">"/susede/Trash"</span>)))))
</pre>
</div>

<p>
If mu4e cannot figure things out, ask me.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-context-policy 'ask)
(<span style="color: #87afd7;">setq</span> mu4e-compose-context-policy 'ask)
</pre>
</div>

<p>
Fill the <code>mu4e-user-mail-address-list</code> variable with the contexts.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-user-mail-address-list
      (delq nil
            (mapcar (<span style="color: #87afd7;">lambda</span> (context)
                      (<span style="color: #87afd7;">when</span> (mu4e-context-vars context)
                        (cdr (assq 'user-mail-address
                                   (mu4e-context-vars context)))))
                    mu4e-contexts)))
</pre>
</div>

<p>
Setting my bookmarks
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-bookmarks
      '((<span style="color: #ffffaf;">"maildir:/gmail/inbox OR maildir:/susecom/inbox OR maildir:/susede/inbox"</span> <span style="color: #ffffaf;">"Inbox Folders"</span> ?n)
        (<span style="color: #ffffaf;">"flag:unread AND NOT flag:trashed"</span> <span style="color: #ffffaf;">"Unread messages"</span> ?u)
        (<span style="color: #ffffaf;">"date:today..now"</span> <span style="color: #ffffaf;">"Today's messages"</span> ?t)))
</pre>
</div>

<p>
The following signature looks alright regardless of whether the client supports
format=flowed or not.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-compose-signature
      (concat
       <span style="color: #ffffaf;">"Miquel Sabat&#233; Sol&#224;,\n"</span>
       <span style="color: #ffffaf;">"PGP: 4096R / 1BA5 3C7A C93D CA2A CFDF DA97 96BE 8C6F D89D 6565\n"</span>))
</pre>
</div>

<p>
Sign outgoing emails always.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-hook 'message-send-hook 'mml-secure-message-sign-pgpmime)
</pre>
</div>

<p>
To avoid UID clashes. See <a href="http://pragmaticemacs.com/emacs/fixing-duplicate-uid-errors-when-using-mbsync-and-mu4e/">this</a>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-change-filenames-when-moving t)
</pre>
</div>

<p>
Miscellaneous settings.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-html2text-command <span style="color: #ffffaf;">"w3m -T text/html"</span>
      mu4e-attachment-dir  <span style="color: #ffffaf;">"~/Downloads"</span>
      mu4e-headers-date-format <span style="color: #ffffaf;">"%Y-%m-%d %H:%M"</span>
      message-citation-line-format <span style="color: #ffffaf;">"%N @ %Y-%m-%d %H:%M %Z:\n"</span>
      message-citation-line-function 'message-insert-formatted-citation-line
      message-kill-buffer-on-exit t
      mu4e-get-mail-command <span style="color: #ffffaf;">"mbsync -aqV"</span>
      mu4e-update-interval 600
      mu4e-compose-dont-reply-to-self t
      mu4e-compose-format-flowed t
      mu4e-headers-skip-duplicates t
      mu4e-headers-include-related t
      mu4e-headers-auto-update t)
</pre>
</div>

<p>
The headers to show in the headers list a pair of a field and its width,
with `nil' meaning 'unlimited' (better only use that for the last field.
These are the defaults:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-headers-fields
      '( (<span style="color: #87afd7;">:date</span>          .  18)
         (<span style="color: #87afd7;">:mailing-list</span>  .  15)
         (<span style="color: #87afd7;">:from-or-to</span>    .  20)
         (<span style="color: #87afd7;">:subject</span>       .  nil)))
</pre>
</div>

<p>
Show images
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> mu4e-view-show-images t
      mu4e-view-image-max-width 800)

<span style="color: #808080;">; </span><span style="color: #808080;">Use imagemagick, if available</span>
(<span style="color: #87afd7;">when</span> (fboundp 'imagemagick-register-types)
  (imagemagick-register-types))
</pre>
</div>

<p>
As of 0.9.18 and GNU Emacs 25, the <code>mu4e-action-with-xwidget</code> can be used to
render an HTML message with Webkit.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">if</span> (&gt;= emacs-major-version 25)
    (add-to-list 'mu4e-view-actions
                 '(<span style="color: #ffffaf;">"webkit"</span> . mu4e-action-view-with-xwidget)))
</pre>
</div>

<p>
Look for <code>mu4e-msg2pdf</code> in the exec path. The reason for this is that the OBS
package installs mu's <code>toys</code> into the exec path, but <code>mu4e</code> doesn't really count
on it.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">let</span> ((exec (locate-file <span style="color: #ffffaf;">"msg2pdf"</span> exec-path exec-suffixes)))
  (<span style="color: #87afd7;">if</span> exec
      (<span style="color: #87afd7;">setq</span> mu4e-msg2pdf exec)))
</pre>
</div>

<p>
Adding hooks for composing and viewing messages.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-compose-mode</span> ()
  <span style="color: #808080;">"My settings for message composition."</span>

  <span style="color: #808080;">; </span><span style="color: #808080;">If we are composing an email from scratch, it's more convenient to be in</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">insert mode. Otherwise start with normal mode.</span>
  (<span style="color: #87afd7;">with-eval-after-load</span> 'evil
    (<span style="color: #87afd7;">if</span> mu4e-compose-parent-message
        (evil-set-initial-state 'mu4e-compose-mode 'normal)
      (evil-set-initial-state 'mu4e-compose-mode 'insert)))

  <span style="color: #808080;">; </span><span style="color: #808080;">Guess hard newlines</span>
  (use-hard-newlines t 'guess)

  <span style="color: #808080;">; </span><span style="color: #808080;">So it's easy to encrypt/decrypt emails.</span>
  (epa-mail-mode)

  <span style="color: #808080;">; </span><span style="color: #808080;">Spellz</span>
  (flyspell-mode))

(add-hook 'mu4e-compose-mode-hook 'mssola-compose-mode)

<span style="color: #808080;">; </span><span style="color: #808080;">I want to read messages in the format that the sender used. I'm also</span>
<span style="color: #808080;">; </span><span style="color: #808080;">enabling epa-mail-mode, so it's easy to decrypt received emails.</span>
(add-hook 'mu4e-view-mode-hook
          (<span style="color: #87afd7;">lambda</span> ()
            (epa-mail-mode)
            (visual-line-mode 1)))
</pre>
</div>

<p>
I want desktop notifications when receiving email.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">mu4e-alert</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  <span style="color: #808080;">; </span><span style="color: #808080;">Notify me for unread emails from my inbox.</span>
  (mu4e-alert-set-default-style 'libnotify)
  (add-hook 'after-init-hook #'mu4e-alert-enable-notifications)
  (add-hook 'after-init-hook #'mu4e-alert-enable-mode-line-display)
  (<span style="color: #87afd7;">setq</span> mu4e-alert-interesting-mail-query
        (concat
         <span style="color: #ffffaf;">"(maildir:/gmail/inbox OR maildir:/susecom/inbox OR maildir:/susede/inbox) "</span>
         <span style="color: #ffffaf;">"AND flag:unread AND NOT flag:trashed"</span>))
  (<span style="color: #87afd7;">setq</span> mu4e-alert-email-notification-types '(count)))

<span style="color: #808080;">; </span><span style="color: #808080;">Evil mode in mu4e</span>
(<span style="color: #87afd7;">with-eval-after-load</span> 'evil
  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">evil-mu4e</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>

    <span style="color: #808080;">; </span><span style="color: #808080;">Idea taken from evil-mu4e.el</span>
    (<span style="color: #87afd7;">defvar</span> <span style="color: #d0d0d0;">mssola-evil-mu4e-mode-map-bindings</span>
      `((,evil-mu4e-state mu4e-headers-mode-map <span style="color: #ffffaf;">"\C-u"</span> evil-scroll-up)
        (,evil-mu4e-state mu4e-main-mode-map    <span style="color: #ffffaf;">"\C-u"</span> evil-scroll-up)
        (,evil-mu4e-state mu4e-view-mode-map    <span style="color: #ffffaf;">"h"</span> evil-backward-char)))

    (<span style="color: #87afd7;">dolist</span> (binding mssola-evil-mu4e-mode-map-bindings)
      (<span style="color: #87afd7;">evil-define-key</span>
        (nth 0 binding) (nth 1 binding) (nth 2 binding) (nth 3 binding)))))
</pre>
</div>

<p>
And finally define a proper shortcut.
</p>

<div class="org-src-container">

<pre class="src src-elisp"><span style="color: #808080;">; </span><span style="color: #808080;">The trailing parenthesis closes the "(when (featurep 'mu4e)" statement from</span>
<span style="color: #808080;">; </span><span style="color: #808080;">the very beginning.</span>
(global-set-key (kbd <span style="color: #ffffaf;">"C-c m"</span>) 'mu4e))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-13" class="outline-2">
<h2 id="sec-13"><span class="section-number-2">13</span> org</h2>
<div class="outline-text-2" id="text-13">
<p>
<a href="http://orgmode.org/">org mode</a> is an incredible tool that keeps me organized: TODOs, notes, agenda,
etc. Moreover, it's built in GNU Emacs:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">org</span>)
</pre>
</div>
</div>

<div id="outline-container-sec-13-1" class="outline-3">
<h3 id="sec-13-1"><span class="section-number-3">13.1</span> General settings</h3>
<div class="outline-text-3" id="text-13-1">
<p>
First of all, let me define some helper functions.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-org-skip-if-priority</span> (priority <span style="color: #87afd7;">&amp;optional</span> subtree)
  <span style="color: #808080;">"Skip an agenda item if it has a priority of PRIORITY.</span>
<span style="color: #808080;">PRIORITY may be one of the characters ?A, ?B, or ?C.</span>
<span style="color: #808080;">Skips the current entry unless SUBTREE is not nil.  This function has been</span>
<span style="color: #808080;">copied from @aaronbieber."</span>

  (<span style="color: #87afd7;">let</span> ((end (<span style="color: #87afd7;">if</span> subtree (<span style="color: #87afd7;">save-excursion</span> (org-end-of-subtree t))
               (<span style="color: #87afd7;">save-excursion</span> (<span style="color: #87afd7;">progn</span> (outline-next-heading) (1- (point))))))
        (pri-value (* 1000 (- org-lowest-priority priority)))
        (pri-current (org-get-priority (thing-at-point 'line t))))
    (<span style="color: #87afd7;">if</span> (= pri-value pri-current)
        end
      nil)))

(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-org-skip-if-not-closed-in-day</span> (time <span style="color: #87afd7;">&amp;optional</span> subtree)
  <span style="color: #808080;">"Skip entries that were not closed in the given TIME.</span>
<span style="color: #808080;">Skip the current entry unless SUBTREE is not nil, in which case skip</span>
<span style="color: #808080;">the entire subtree.  Idea taken from @aaronbieber"</span>

  (<span style="color: #87afd7;">let</span> ((end (<span style="color: #87afd7;">if</span> subtree (<span style="color: #87afd7;">save-excursion</span> (org-end-of-subtree t))
               (<span style="color: #87afd7;">save-excursion</span> (<span style="color: #87afd7;">progn</span> (outline-next-heading) (1- (point))))))
        (day-prefix (format-time-string <span style="color: #ffffaf;">"%Y-%m-%d"</span> time)))

    (<span style="color: #87afd7;">if</span> (<span style="color: #87afd7;">save-excursion</span>
          (<span style="color: #87afd7;">and</span> (re-search-forward org-closed-time-regexp end t)
               (string= (substring (match-string-no-properties 1) 0 10) day-prefix)))
        nil
      end)))
</pre>
</div>

<p>
Some general UI settings for org mode.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-src-tab-acts-natively t
      org-confirm-babel-evaluate nil
      org-edit-src-content-indentation 0)

(<span style="color: #87afd7;">setq</span> org-todo-keywords
      '((sequence <span style="color: #ffffaf;">"TODO(t)"</span>  <span style="color: #ffffaf;">"|"</span>  <span style="color: #ffffaf;">"DONE(d!)"</span>)
        (sequence <span style="color: #ffffaf;">"IDEA(i)"</span>  <span style="color: #ffffaf;">"WORKING(w)"</span>  <span style="color: #ffffaf;">"|"</span>  <span style="color: #ffffaf;">"USED(u@/!)"</span>  <span style="color: #ffffaf;">"DISCARDED(x@/!)"</span>)))

(<span style="color: #87afd7;">setq</span> org-todo-keyword-faces
      '((<span style="color: #ffffaf;">"TODO"</span>      . org-todo)
        (<span style="color: #ffffaf;">"IDEA"</span>      . font-lock-constant-face)
        (<span style="color: #ffffaf;">"WORKING"</span>   . font-lock-constant-face)
        (<span style="color: #ffffaf;">"DONE"</span>      . org-done)
        (<span style="color: #ffffaf;">"USED"</span>      . org-done)
        (<span style="color: #ffffaf;">"DISCARDED"</span> . org-done)))
</pre>
</div>

<p>
Logging settings.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-log-done t)
(<span style="color: #87afd7;">setq</span> org-log-redeadline (<span style="color: #87afd7;">quote</span> time))
(<span style="color: #87afd7;">setq</span> org-log-reschedule (<span style="color: #87afd7;">quote</span> time))
</pre>
</div>

<p>
Where org files reside.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-agenda-files '(<span style="color: #ffffaf;">"~/org/"</span>))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-13-2" class="outline-3">
<h3 id="sec-13-2"><span class="section-number-3">13.2</span> Publishing</h3>
<div class="outline-text-3" id="text-13-2">
<p>
In order to publish files into HTML, I would like to have <code>htmlize</code> installed.
This package allows org to export to HTML in a better way (e.g. allowing code
blocks to be converted into HTML as well, so we can properly colorize it).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">htmlize</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>

<p>
And now let's set all the related settings.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-src-fontify-natively t
      org-html-include-timestamps nil
      org-html-toplevel-hlevel 2
      org-html-htmlize-output-type 'css
      org-export-with-section-numbers nil
      org-export-with-sub-superscripts nil
      org-export-htmlize-output-type 'css)
</pre>
</div>

<p>
You can also export org documents to man pages. In order to do so, you have to
perform this first:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">ox-man</span>)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-13-3" class="outline-3">
<h3 id="sec-13-3"><span class="section-number-3">13.3</span> Agenda</h3>
<div class="outline-text-3" id="text-13-3">
<p>
Custom commands for <code>org-agenda</code>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-agenda-custom-commands
      '((<span style="color: #ffffaf;">"p"</span> <span style="color: #ffffaf;">"Printed agenda"</span>
         <span style="color: #808080;">; </span><span style="color: #808080;">Daily agenda with a 2-weeks deadline warning. Tasks are</span>
         <span style="color: #808080;">; </span><span style="color: #808080;">represented as [ ] items.</span>
         ((agenda <span style="color: #ffffaf;">""</span>
                  ((org-agenda-ndays 1)
                   (org-deadline-warning-days 14)
                   (org-agenda-todo-keyword-format <span style="color: #ffffaf;">"[ ]"</span>)
                   (org-agenda-scheduled-leaders '(<span style="color: #ffffaf;">""</span> <span style="color: #ffffaf;">""</span>))))

         <span style="color: #808080;">; </span><span style="color: #808080;">Display a "High Priority" list of tasks on top.</span>
          (tags <span style="color: #ffffaf;">"PRIORITY=\"A\""</span>
                ((org-agenda-skip-function '(org-agenda-skip-entry-if 'todo 'done))
                 (org-agenda-sorting-strategy '(tag-up priority-down))
                 (org-agenda-todo-keyword-format <span style="color: #ffffaf;">""</span>)
                 (org-agenda-overriding-header <span style="color: #ffffaf;">"\nHigh priority\n--------------\n"</span>)))


          <span style="color: #808080;">; </span><span style="color: #808080;">All tasks except those already listed as high priority or</span>
          <span style="color: #808080;">; </span><span style="color: #808080;">ideas. Scheduled and deadlines are also ignored here.</span>
          (alltodo <span style="color: #ffffaf;">""</span>
                   ((org-agenda-skip-function '(<span style="color: #87afd7;">or</span> (mssola-org-skip-if-priority ?A)
                                                   (org-agenda-skip-entry-if 'todo '(<span style="color: #ffffaf;">"IDEA"</span> <span style="color: #ffffaf;">"WORKING"</span>))
                                                   (org-agenda-skip-if nil '(scheduled deadline))))
                    (org-agenda-sorting-strategy '(tag-up priority-down))
                    (org-agenda-todo-keyword-format <span style="color: #ffffaf;">""</span>)
                    (org-agenda-overriding-header <span style="color: #ffffaf;">"\nAll tasks\n----------\n"</span>)))

          <span style="color: #808080;">; </span><span style="color: #808080;">List of ideas.</span>
          (todo <span style="color: #ffffaf;">"IDEA"</span>
                ((org-agenda-overriding-header <span style="color: #ffffaf;">"\nIdeas\n------\n"</span>)
                 (org-agenda-todo-keyword-format <span style="color: #ffffaf;">""</span>))))

         ((org-agenda-compact-blocks t)
          (org-agenda-remove-tags t)))

        <span style="color: #808080;">; </span><span style="color: #808080;">List of done items. Useful for standups, review meetings, weekly</span>
        <span style="color: #808080;">; </span><span style="color: #808080;">reports, etc.</span>
        (<span style="color: #ffffaf;">"d"</span> <span style="color: #ffffaf;">"Done items"</span>
         <span style="color: #808080;">; </span><span style="color: #808080;">First show the items done yesterday. Useful for standups.</span>
         ((todo <span style="color: #ffffaf;">"DONE"</span>
                ((org-agenda-overriding-header <span style="color: #ffffaf;">"Done yesterday\n---------------\n"</span>)
                 (org-agenda-skip-function
                  '(mssola-org-skip-if-not-closed-in-day
                    (time-subtract (current-time) (seconds-to-time 86400))))
                 (org-agenda-todo-keyword-format <span style="color: #ffffaf;">""</span>)))

          <span style="color: #808080;">; </span><span style="color: #808080;">Then show what I've done today.</span>
          (todo <span style="color: #ffffaf;">"DONE"</span>
                ((org-agenda-overriding-header <span style="color: #ffffaf;">"\nDone today\n-----------\n"</span>)
                 (org-agenda-skip-function
                  '(mssola-org-skip-if-not-closed-in-day
                    (current-time)))
                 (org-agenda-todo-keyword-format <span style="color: #ffffaf;">""</span>)))

          <span style="color: #808080;">; </span><span style="color: #808080;">Finally show what I've been doing in the past 15 days. Useful for</span>
          <span style="color: #808080;">; </span><span style="color: #808080;">review meetings and weekly reports.</span>
          (todo <span style="color: #ffffaf;">"DONE"</span>
                ((org-agenda-start-day <span style="color: #ffffaf;">"-15d"</span>)
                 (org-agenda-span 15)
                 (org-agenda-start-on-weekday nil)
                 (org-agenda-todo-keyword-format <span style="color: #ffffaf;">""</span>)
                 (org-agenda-scheduled-leaders '(<span style="color: #ffffaf;">""</span> <span style="color: #ffffaf;">""</span>))
                 (org-agenda-overriding-header <span style="color: #ffffaf;">"\nDone during the past 15 days\n-----------------------------\n"</span>))))

         ((org-agenda-compact-blocks t)
          (org-agenda-remove-tags t)))))
</pre>
</div>

<p>
The prefix for the different kinds of types being used.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-agenda-prefix-format '((agenda . <span style="color: #ffffaf;">"%t%s"</span>)
                                 (tags   . <span style="color: #ffffaf;">"%c:%s"</span>)
                                 (todo   . <span style="color: #ffffaf;">"%c:%t%s"</span>)))
</pre>
</div>

<p>
Set up a key binding for org-agenda.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(global-set-key (kbd <span style="color: #ffffaf;">"C-c a"</span>) 'org-agenda)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-13-4" class="outline-3">
<h3 id="sec-13-4"><span class="section-number-3">13.4</span> Capture</h3>
<div class="outline-text-3" id="text-13-4">
<p>
Set the default notes file and the key binding.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-default-notes-file (concat org-directory <span style="color: #ffffaf;">"/notes.org"</span>))
(define-key global-map <span style="color: #ffffaf;">"\C-cc"</span> 'org-capture)
</pre>
</div>

<p>
And finally set <code>org-capture-templates</code>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> org-capture-templates
      `((<span style="color: #ffffaf;">"t"</span> <span style="color: #ffffaf;">"todo"</span> entry (file <span style="color: #ffffaf;">""</span>) <span style="color: #ffffaf;">"* TODO %?\n%U\n"</span>)
        (<span style="color: #ffffaf;">"i"</span> <span style="color: #ffffaf;">"idea"</span> entry (file <span style="color: #ffffaf;">""</span>) <span style="color: #ffffaf;">"* %? :IDEA:\n%U\n%a\n"</span>)))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-13-5" class="outline-3">
<h3 id="sec-13-5"><span class="section-number-3">13.5</span> Other</h3>
<div class="outline-text-3" id="text-13-5">
<p>
Insert a &lt;kbd&gt;&lt;/kbd&gt; value in org mode. See this <a href="http://emacs.stackexchange.com/questions/2206/i-want-to-have-the-kbd-tags-for-my-blog-written-in-org-mode">StackExchange answer</a>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">endless/insert-key</span> (key)
  <span style="color: #808080;">"Ask for a key then insert its description.</span>
<span style="color: #808080;">Will work on both org-mode and any mode that accepts plain html."</span>
  (<span style="color: #87afd7;">interactive</span> <span style="color: #ffffaf;">"kType key sequence: "</span>)
  (<span style="color: #87afd7;">let*</span> ((is-org-mode (derived-mode-p 'org-mode))
         (tag (<span style="color: #87afd7;">if</span> is-org-mode
                  <span style="color: #ffffaf;">"@@html:&lt;kbd&gt;%s&lt;/kbd&gt;@@"</span>
                <span style="color: #ffffaf;">"&lt;kbd&gt;%s&lt;/kbd&gt;"</span>)))
    (<span style="color: #87afd7;">if</span> (null (equal key <span style="color: #ffffaf;">"\r"</span>))
        (insert
         (format tag (help-key-description key nil)))
      (insert (format tag <span style="color: #ffffaf;">""</span>))
      (forward-char (<span style="color: #87afd7;">if</span> is-org-mode -8 -6)))))

(define-key org-mode-map <span style="color: #ffffaf;">"\C-ck"</span> #'endless/insert-key)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-13-6" class="outline-3">
<h3 id="sec-13-6"><span class="section-number-3">13.6</span> <span class="todo TODO">TODO</span> shortcut for making an org link, and transforming a link into a proper org link</h3>
</div>
<div id="outline-container-sec-13-7" class="outline-3">
<h3 id="sec-13-7"><span class="section-number-3">13.7</span> <span class="todo TODO">TODO</span> make it work with evil</h3>
</div>
<div id="outline-container-sec-13-8" class="outline-3">
<h3 id="sec-13-8"><span class="section-number-3">13.8</span> <span class="todo TODO">TODO</span> Proper keybindings for quick access.</h3>
</div>

<div id="outline-container-sec-13-9" class="outline-3">
<h3 id="sec-13-9"><span class="section-number-3">13.9</span> <span class="todo TODO">TODO</span> shortcuts for stuff like: create something urgent for today</h3>
</div>
</div>

<div id="outline-container-sec-14" class="outline-2">
<h2 id="sec-14"><span class="section-number-2">14</span> IRC</h2>
<div class="outline-text-2" id="text-14">
<p>
I'm using <a href="https://www.gnu.org/software/emacs/manual/html_mono/erc.html">ERC</a> for IRC.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">erc</span>
  <span style="color: #87afd7;">:config</span>
</pre>
</div>

<p>
First of all, let's add some basic modules.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">dolist</span> (mod '(autojoin track truncate))
  (add-to-list 'erc-modules mod))
</pre>
</div>

<p>
Setting up basic stuff.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> erc-hide-list '(<span style="color: #ffffaf;">"PART"</span>)
      erc-prompt (<span style="color: #87afd7;">lambda</span> () (concat (buffer-name) <span style="color: #ffffaf;">"&gt;"</span>))
      erc-track-exclude-types '(<span style="color: #ffffaf;">"JOIN"</span> <span style="color: #ffffaf;">"NICK"</span> <span style="color: #ffffaf;">"PART"</span> <span style="color: #ffffaf;">"QUIT"</span> <span style="color: #ffffaf;">"MODE"</span>)
      erc-server-coding-system '(utf-8 . utf-8)
      erc-kill-buffer-on-part t
      erc-kill-queries-on-quit t
      erc-kill-server-buffer-on-quit t
      erc-fill-column 100
      erc-fill-prefix <span style="color: #ffffaf;">""</span>
      erc-timestamp-format <span style="color: #ffffaf;">"[%H:%M] "</span>
      erc-insert-timestamp-function 'erc-insert-timestamp-left
      erc-insert-away-timestamp-function 'erc-insert-timestamp-left
      erc-hide-timestamps nil
      erc-whowas-on-nosuchnick t
      erc-public-away-p nil
      erc-echo-notice-always-hook '(erc-echo-notice-in-minibuffer)
      erc-auto-set-away nil
      erc-autoaway-message <span style="color: #ffffaf;">"%i seconds out..."</span>
      erc-away-nickname <span style="color: #ffffaf;">"msabate"</span>
      erc-enable-logging t
      erc-query-on-unjoined-chan-privmsg t)
</pre>
</div>

<p>
Let's log messages whenever I receive/send them. The other option is to only do
that on <code>/quit</code> or <code>/part</code>, but it's better to be safe than sorry.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">erc-log</span>)
(erc-log-enable)

(<span style="color: #87afd7;">setq</span> erc-log-channels-directory <span style="color: #ffffaf;">"~/.emacs.d/erc"</span>
      erc-save-buffer-on-part nil
      erc-save-queries-on-quit nil
      erc-log-write-after-send t
      erc-log-write-after-insert t)
</pre>
</div>

<p>
Servers and channels to auto-join.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> erc-autojoin-channels-alist
      '((<span style="color: #ffffaf;">"irc.freenode.net"</span> <span style="color: #ffffaf;">"#gnu"</span> <span style="color: #ffffaf;">"#emacs"</span>)
        (<span style="color: #ffffaf;">"irc.suse.de"</span> <span style="color: #ffffaf;">"#suse"</span> <span style="color: #ffffaf;">"#docker"</span>)))
</pre>
</div>

<p>
Use the <code>erc-hl-nicks</code> package, so highlight support for nicknames is better.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">erc-hl-nicks</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:init</span>
  (<span style="color: #87afd7;">with-eval-after-load</span> 'erc
    (add-to-list 'erc-modules 'hl-nicks)))
</pre>
</div>

<p>
I want to have a desktop notification whenever someone mentions my name. For
this, I'm using the <code>erc-notifications</code> package which is built in ERC since
GNU Emacs 24.3.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">with-eval-after-load</span> 'erc
  (<span style="color: #87afd7;">setq</span> erc-notifications-icon
        (concat
         <span style="color: #ffffaf;">"/usr/share/emacs/"</span>
         (format <span style="color: #ffffaf;">"%s.%s"</span> emacs-major-version emacs-minor-version)
         <span style="color: #ffffaf;">"/etc/images/icons/hicolor/24x24/apps/emacs.png"</span>))
  (add-to-list 'erc-modules 'notifications))
</pre>
</div>

<p>
At this point, we can safely update all the loaded ERC modules.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-hook 'erc-connect-pre-hook
          (<span style="color: #87afd7;">lambda</span> (x) (erc-update-modules)))
</pre>
</div>

<p>
Start some modules which won't do it by default. Moreover, according to the <a href="https://www.emacswiki.org/emacs/ErcFilling">wiki</a>
<code>auto-fill-mode</code> should be disabled if I'm using <code>erc-fill-mode</code>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-hook 'erc-mode-hook
          '(lambda ()
             (erc-track-mode t)
             (auto-fill-mode -1)
             (erc-log-mode 1)
             (erc-autojoin-mode 1)))
</pre>
</div>

<p>
And now define a function to connect to both IRC servers.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-erc</span> ()
  <span style="color: #808080;">"Join pre-specified servers and channels."</span>

  (<span style="color: #87afd7;">interactive</span>)

  (erc <span style="color: #87afd7;">:server</span> <span style="color: #ffffaf;">"irc.freenode.net"</span> <span style="color: #87afd7;">:port</span> 6667 <span style="color: #87afd7;">:nick</span> <span style="color: #ffffaf;">"mssola"</span>)
  (erc-tls <span style="color: #87afd7;">:server</span> <span style="color: #ffffaf;">"irc.suse.de"</span> <span style="color: #87afd7;">:port</span> 6697 <span style="color: #87afd7;">:nick</span> <span style="color: #ffffaf;">"mssola"</span>))

(global-set-key (kbd <span style="color: #ffffaf;">"C-c i"</span>) 'mssola-erc))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15" class="outline-2">
<h2 id="sec-15"><span class="section-number-2">15</span> Languages</h2>
<div class="outline-text-2" id="text-15">
</div><div id="outline-container-sec-15-1" class="outline-3">
<h3 id="sec-15-1"><span class="section-number-3">15.1</span> General</h3>
<div class="outline-text-3" id="text-15-1">
<p>
First of all, define a function that identifies some warning keywords
(e.g. TODO). This function can then be applied to the proper mode.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">warnings-mode-hook</span> ()
  <span style="color: #808080;">"Hook for enabling the warning face on strings with a warning prefix."</span>

  (font-lock-add-keywords nil
    '((<span style="color: #ffffaf;">"</span><span style="color: #ffffaf; font-weight: bold;">\\</span><span style="color: #ffffaf; font-weight: bold;">(</span><span style="color: #ffffaf;">XXX</span><span style="color: #ffffaf; font-weight: bold;">\\</span><span style="color: #ffffaf; font-weight: bold;">|</span><span style="color: #ffffaf;">FIXME</span><span style="color: #ffffaf; font-weight: bold;">\\</span><span style="color: #ffffaf; font-weight: bold;">|</span><span style="color: #ffffaf;">TODO</span><span style="color: #ffffaf; font-weight: bold;">\\</span><span style="color: #ffffaf; font-weight: bold;">|</span><span style="color: #ffffaf;">HACK</span><span style="color: #ffffaf; font-weight: bold;">\\</span><span style="color: #ffffaf; font-weight: bold;">|</span><span style="color: #ffffaf;">NOTE</span><span style="color: #ffffaf; font-weight: bold;">\\</span><span style="color: #ffffaf; font-weight: bold;">)</span><span style="color: #ffffaf;">"</span>
    1 font-lock-warning-face prepend))))
</pre>
</div>

<p>
Text mode is not a programming language, but it's used quite often in this
context too. In this case, I want spell check and <code>wc-mode</code> activated.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-hook 'text-mode-hook
          (<span style="color: #87afd7;">lambda</span> ()
            (flyspell-mode 1)
            (wc-mode 1)))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-2" class="outline-3">
<h3 id="sec-15-2"><span class="section-number-3">15.2</span> Shell</h3>
<div class="outline-text-3" id="text-15-2">
<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">bats-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-3" class="outline-3">
<h3 id="sec-15-3"><span class="section-number-3">15.3</span> Lisp</h3>
<div class="outline-text-3" id="text-15-3">
<p>
Emacs lisp needs <code>rainbow-delimiters</code>, so the amount of parenthesis is less
confusing. Moreover, I'm also enabling <code>eldoc-mode</code> and the aforementioned
<code>warnings-mode-hook</code>.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-hook 'emacs-lisp-mode-hook
          (<span style="color: #87afd7;">lambda</span> ()
            (eldoc-mode 1)
            (warnings-mode-hook)
            (rainbow-delimiters-mode 1)
            <span style="color: #808080;">; </span><span style="color: #808080;">https://github.com/jhenahan/emacs.d/blob/master/emacs-init.org#emacs-lisp</span>
            (<span style="color: #87afd7;">setq</span> mode-name <span style="color: #ffffaf;">"&#958;"</span>)))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-4" class="outline-3">
<h3 id="sec-15-4"><span class="section-number-3">15.4</span> C and C++</h3>
<div class="outline-text-3" id="text-15-4">
<p>
C and C++ only require the <code>warnings-mode-hook</code> function, spell checking for the
comments and the usage of tabs instead of spaces.
</p>

<div class="org-src-container">

<pre class="src src-elisp"><span style="color: #808080;">; </span><span style="color: #808080;">Note that C-common includes languages with a similar syntax of C.</span>
(add-hook 'c-mode-common-hook 'warnings-mode-hook)
(add-hook 'c-mode-common-hook (<span style="color: #87afd7;">lambda</span>() (flyspell-prog-mode)))

<span style="color: #808080;">;; </span><span style="color: #808080;">C</span>
(add-hook 'c-mode-hook
  (<span style="color: #87afd7;">lambda</span> () (<span style="color: #87afd7;">setq</span> indent-tabs-mode t)))

<span style="color: #808080;">;; </span><span style="color: #808080;">C++</span>
(add-hook 'c++-mode-hook
  (<span style="color: #87afd7;">lambda</span> () (<span style="color: #87afd7;">setq</span> indent-tabs-mode t)))
</pre>
</div>

<p>
CMake for y'all.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">cmake-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (<span style="color: #87afd7;">setq</span> auto-mode-alist
        (append
         '((<span style="color: #ffffaf;">"CMakeLists\\.txt\\'"</span> . cmake-mode))
         '((<span style="color: #ffffaf;">"\\.cmake\\'"</span> . cmake-mode))
         auto-mode-alist))

  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">cmake-font-lock</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>

    (add-hook 'cmake-mode-hook 'cmake-font-lock-activate)
    (add-hook 'yaml-mode-hook 'warnings-mode-hook)))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-5" class="outline-3">
<h3 id="sec-15-5"><span class="section-number-3">15.5</span> Ruby</h3>
<div class="outline-text-3" id="text-15-5">
<p>
Include warning keywords in Ruby.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(add-hook 'ruby-mode-hook 'warnings-mode-hook)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-6" class="outline-3">
<h3 id="sec-15-6"><span class="section-number-3">15.6</span> Go</h3>
<div class="outline-text-3" id="text-15-6">
<p>
And now my Go configuration. This includes stuff like the usage of <code>goimports</code>,
<code>gofmt</code> on save, among many other useful things.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">defun</span> <span style="color: #d0d0d0;">mssola-go-mode</span> ()
  <span style="color: #808080;">"My configuration for Go mode."</span>

  <span style="color: #808080;">; </span><span style="color: #808080;">Use goimports instead of go-fmt</span>
  (<span style="color: #87afd7;">setq</span> gofmt-command <span style="color: #ffffaf;">"goimports"</span>)

  <span style="color: #808080;">; </span><span style="color: #808080;">Call Gofmt before saving</span>
  (add-hook 'before-save-hook 'gofmt-before-save)

  <span style="color: #808080;">; </span><span style="color: #808080;">Integration flycheck with Go</span>
  (add-to-list 'load-path
    (concat (getenv <span style="color: #ffffaf;">"GOPATH"</span>) <span style="color: #ffffaf;">"/src/github.com/dougm/goflymake"</span>))
  (<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">go-flycheck</span>)

  (evil-leader/set-key
    <span style="color: #ffffaf;">"."</span> 'godef-jump-other-window)

  (<span style="color: #87afd7;">setq</span> indent-tabs-mode t)
  (flyspell-prog-mode)

  <span style="color: #808080;">; </span><span style="color: #808080;">eldoc support</span>
  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">go-eldoc</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>
    (<span style="color: #87afd7;">require</span> '<span style="color: #ffffaf;">go-eldoc</span>))

  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">go-add-tags</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>
    (evil-leader/set-key <span style="color: #ffffaf;">"t"</span> 'go-add-tags)))

<span style="color: #808080;">;; </span><span style="color: #808080;">Go</span>
(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">go-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:pin</span> melpa-stable
  <span style="color: #87afd7;">:config</span>

  (add-hook 'go-mode-hook 'warnings-mode-hook)
  (add-hook 'go-mode-hook 'go-eldoc-setup)
  (add-hook 'go-mode-hook 'mssola-go-mode))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-7" class="outline-3">
<h3 id="sec-15-7"><span class="section-number-3">15.7</span> Rust</h3>
<div class="outline-text-3" id="text-15-7">
<p>
Install <code>rust-mode</code> and add some hooks to make it friendlier.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">rust-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (add-hook 'before-save-hook
            #'(lambda ()
                (<span style="color: #87afd7;">when</span> (eq major-mode 'rust-mode)
                  (rust-format-buffer))))

  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">flycheck-rust</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>

    (add-hook 'flycheck-mode-hook #'flycheck-rust-setup)))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-8" class="outline-3">
<h3 id="sec-15-8"><span class="section-number-3">15.8</span> Tabs vs spaces</h3>
<div class="outline-text-3" id="text-15-8">
<p>
Tabs or spaces? <a href="https://www.emacswiki.org/emacs/TabsSpacesBoth">Both</a>. The <code>smart-tabs-mode</code> has the philosophy of: tabs for
indentation, spaces for alignment. This is only applied in languages where I'm
usings tabs for indentation (C, C++ and Go).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">smart-tabs-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>
  (<span style="color: #87afd7;">smart-tabs-add-language-support</span> golang go-mode-hook
    ((c-indent-line . c-basic-offset)
     (c-indent-region . c-basic-offset)))
  (smart-tabs-insinuate 'c 'c++ 'golang))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-9" class="outline-3">
<h3 id="sec-15-9"><span class="section-number-3">15.9</span> Inferior markup languages.</h3>
<div class="outline-text-3" id="text-15-9">
<div class="org-src-container">

<pre class="src src-elisp"><span style="color: #808080;">;; </span><span style="color: #808080;">Markdown mode with preview mode in the browser.</span>
(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">markdown-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  <span style="color: #808080;">; </span><span style="color: #808080;">This is the one that I got from openSUSE.</span>
  (custom-set-variables
    '(markdown-command <span style="color: #ffffaf;">"/usr/bin/markdown-calibre"</span>))

  <span style="color: #808080;">; </span><span style="color: #808080;">Preview mode does its things through websockets, so it's a requirement.</span>
  <span style="color: #808080;">; </span><span style="color: #808080;">After that, we can safely require it.</span>
  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">websocket</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>
    (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">markdown-preview-mode</span>
      <span style="color: #87afd7;">:ensure</span> t)))

<span style="color: #808080;">; </span><span style="color: #808080;">YAML</span>
(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">yaml-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (add-hook 'yaml-mode-hook 'warnings-mode-hook))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-10" class="outline-3">
<h3 id="sec-15-10"><span class="section-number-3">15.10</span> Web-related stuff.</h3>
<div class="outline-text-3" id="text-15-10">
<p>
Slim and SCSS.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">slim-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)

(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">scss-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (<span style="color: #87afd7;">setq</span> scss-compile-at-save nil)
  (add-hook 'yaml-mode-hook 'warnings-mode-hook))

(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">coffee-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>

<p>
Languages specific for backend code like PHP, and <code>web-mode</code>, which provides a
bundle of features which are interesting for web-related stuff.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">php-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)

(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">web-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (add-to-list 'auto-mode-alist '(<span style="color: #ffffaf;">"\\.erb\\'"</span> . web-mode))
  (add-to-list 'auto-mode-alist '(<span style="color: #ffffaf;">"\\.jinja\\'"</span> . web-mode))
  (add-to-list 'auto-mode-alist '(<span style="color: #ffffaf;">"\\.html?\\'"</span> . web-mode))

  (add-hook 'web-mode-hook
            (<span style="color: #87afd7;">lambda</span> ()
              (<span style="color: #87afd7;">setq</span> web-mode-markup-indent-offset 2)
              (<span style="color: #87afd7;">setq</span> web-mode-css-indent-offset 2)
              (<span style="color: #87afd7;">setq</span> web-mode-code-indent-offset 2)))

  (add-hook 'js-mode-hook
            (<span style="color: #87afd7;">lambda</span> ()
              (<span style="color: #87afd7;">setq</span> js-indent-level 2)
              (rainbow-delimiters-mode 1)))

  (<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">vue-mode</span>
    <span style="color: #87afd7;">:ensure</span> t
    <span style="color: #87afd7;">:config</span>
    (<span style="color: #87afd7;">setq</span> mmm-submode-decoration-level 0))

  <span style="color: #808080;">; </span><span style="color: #808080;">React: treat it as a derived mode. Idea taken from spacemacs.</span>
  (<span style="color: #87afd7;">define-derived-mode</span> <span style="color: #d0d0d0;">react-mode</span> web-mode <span style="color: #ffffaf;">"react"</span>)
  (add-to-list 'auto-mode-alist '(<span style="color: #ffffaf;">"\\.jsx\\'"</span> . react-mode))
  (add-to-list 'auto-mode-alist '(<span style="color: #ffffaf;">"\\.react.js\\'"</span> . react-mode))

  (add-hook 'react-mode-hook
            (<span style="color: #87afd7;">lambda</span> ()
              (yas-activate-extra-mode 'js-mode)
              (web-mode-set-content-type <span style="color: #ffffaf;">"jsx"</span>)
              (<span style="color: #87afd7;">setq-local</span> web-mode-enable-auto-quoting nil)
              (rainbow-delimiters 1))))
</pre>
</div>

<p>
The <code>json-reformat</code> package provides functions for reformatting JSON strings. It
happens from time to time that I have to read JSON output from responses, and it
can be frustrating without proper formatting.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">json-reformat</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-11" class="outline-3">
<h3 id="sec-15-11"><span class="section-number-3">15.11</span> Devops</h3>
<div class="outline-text-3" id="text-15-11">
<p>
Highlighting for Dockerfiles.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">dockerfile-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (add-to-list 'auto-mode-alist '(<span style="color: #ffffaf;">"Dockerfile\\'"</span> . dockerfile-mode)))
</pre>
</div>

<p>
Stuff from Hashicorp like terraform and HCL.
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">terraform-mode</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (terraform-format-on-save-mode))

(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">hcl-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">salt-mode</span>
  <span style="color: #87afd7;">:ensure</span> t)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-15-12" class="outline-3">
<h3 id="sec-15-12"><span class="section-number-3">15.12</span> Others</h3>
<div class="outline-text-3" id="text-15-12">
<p>
The <i>soria</i> theme has the <code>soria-purple-identifiers</code> hook. This hook instructs
the theme to use purple for identifiers instead of the default color. This is a
remnant from my Vim times, and I only apply it to some languages (random
criteria really).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">dolist</span> (lang-hook '(ruby-mode-hook
                     php-mode-hook
                     perl-mode-hook
                     emacs-lisp-mode-hook))
  (add-hook lang-hook 'soria-purple-identifiers))
</pre>
</div>
</div>
</div>
</div>

<div id="outline-container-sec-16" class="outline-2">
<h2 id="sec-16"><span class="section-number-2">16</span> WoMan</h2>
<div class="outline-text-2" id="text-16">
<p>
<code>WoMan</code> is a package that is included inside of GNU Emacs by default, and that
takes care of visualizing man pages. Let's properly setup Evil mode for this:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">with-eval-after-load</span> <span style="color: #ffffaf;">"evil"</span>
  (evil-set-initial-state 'woman-mode 'normal)
  (<span style="color: #87afd7;">evil-define-key</span> 'normal woman-mode-map
    <span style="color: #ffffaf;">"J"</span> 'Man-next-section
    <span style="color: #ffffaf;">"K"</span> 'Man-previous-section
    <span style="color: #ffffaf;">"\C-h"</span> 'evil-window-left
    <span style="color: #ffffaf;">"\C-l"</span> 'evil-window-right
    <span style="color: #ffffaf;">"\C-j"</span> 'evil-window-down
    <span style="color: #ffffaf;">"\C-k"</span> 'evil-window-up
    <span style="color: #ffffaf;">"\C-u"</span> 'evil-scroll-up))
</pre>
</div>

<p>
Finally, I want man pages to fill all the frame:
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">setq</span> woman-fill-frame t)
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-17" class="outline-2">
<h2 id="sec-17"><span class="section-number-2">17</span> Misc</h2>
<div class="outline-text-2" id="text-17">
<p>
Install a set of useful functions from <a href="https://github.com/bbatsov">@bbatsov</a>. The bindings are following
Emacs style instead of being more Vim-like on purpose (I don't want to put
too many things into my leader and these shortcuts look sensible to me).
</p>

<div class="org-src-container">

<pre class="src src-elisp">(<span style="color: #87afd7;">use-package</span> <span style="color: #ffffaf;">crux</span>
  <span style="color: #87afd7;">:ensure</span> t
  <span style="color: #87afd7;">:config</span>

  (global-set-key (kbd <span style="color: #ffffaf;">"C-c d"</span>) 'crux-delete-file-and-buffer)
  (global-set-key (kbd <span style="color: #ffffaf;">"C-c r"</span>) 'crux-rename-file-and-buffer)
  (global-set-key (kbd <span style="color: #ffffaf;">"C-c o"</span>) 'crux-open-with))
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-18" class="outline-2">
<h2 id="sec-18"><span class="section-number-2">18</span> Credits</h2>
<div class="outline-text-2" id="text-18">
<p>
I've built this file by simply scavenging from other people's emacs.d/dotfiles
repositories. I have taken lots of pieces from here and there, but most notably:
</p>

<ul class="org-ul">
<li><a href="https://github.com/ereslibre/dotfiles">@ereslibre</a>
</li>
<li><a href="https://github.com/dmacvicar/dotfiles">@dmacvicar</a>
</li>
<li><a href="https://github.com/bbatsov/emacs.d">@bbatsov</a>
</li>
<li><a href="https://github.com/aaronbieber/dotfiles">@aaronbieber</a>
</li>
<li><a href="https://github.com/purcell/emacs.d">@purcell</a>
</li>
<li><a href="https://github.com/sachac/.emacs.d">@sachac</a> (<a href="http://pages.sachachua.com/.emacs.d/Sacha.html">HTML version</a>)
</li>
<li><a href="https://github.com/larstvei/dot-emacs">@larstvei</a>
</li>
</ul>
</div>
</div>

<div id="outline-container-sec-19" class="outline-2">
<h2 id="sec-19"><span class="section-number-2">19</span> License</h2>
<div class="outline-text-2" id="text-19">
<div class="org-src-container">

<pre class="src src-text">Copyright (C) 2014-2017 Miquel Sabat&#233; Sol&#224; <a href="mailto:mikisabate%40gmail.com">&lt;mikisabate@gmail.com&gt;</a>

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 this program.  If not, see <a href="http://www.gnu.org/licenses/">&lt;http://www.gnu.org/licenses/&gt;</a>.
</pre>
</div>
</div>
</div>
</div>
<div id="postamble" class="status">
<p class="author">Author: Miquel Sabaté Solà</p>
<p class="date">Created: 2017-12-06 Wed 13:33</p>
<p class="creator"><a href="http://www.gnu.org/software/emacs/">Emacs</a> 25.3.1 (<a href="http://orgmode.org">Org</a> mode 8.2.10)</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>