252 lines
13 KiB
HTML
252 lines
13 KiB
HTML
<!DOCTYPE html>
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<html class="no-js" lang="en-GB">
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<head>
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<title>Create an Omega Subtheme with LESS CSS Preprocessor using Omega Tools and Drush | Oliver Davies</title>
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<meta charset="UTF-8">
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<meta property="og:url" content="https://opdavies.github.io/oliverdavies.uk/blog/2012/04/16/create-omega-subtheme-less-css-preprocessor-using-omega-tools-and-drush">
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<meta property="og:title" content="Create an Omega Subtheme with LESS CSS Preprocessor using Omega Tools and Drush"/>
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<a class="navbar-brand" href="https://opdavies.github.io/oliverdavies.uk/">Oliver Davies</a>
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</div>
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<div id="navbar" class="collapse navbar-collapse" role="navigation">
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<ul class="nav navbar-nav">
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<li class="">
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<a href="/">About</a>
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</li>
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<li class="">
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<a href="/experience">Experience</a>
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</li>
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<li class="">
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<a href="/testimonials">Testimonials</a>
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</li>
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<a href="/talks">Talks</a>
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<a href="/blog">Blog</a>
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</li>
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<li class="">
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<a href="/contact">Contact</a>
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</ul>
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</div> </div>
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</nav>
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<div class="container">
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<div class="row">
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<main class="col-md-9">
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<h1>Create an Omega Subtheme with LESS CSS Preprocessor using Omega Tools and Drush</h1>
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<p class="posted">16th April 2012</p>
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<p>In this tutorial I'll be showing how to create an <a href="http://drupal.org/project/omega">Omega</a> subtheme using the <a href="http://drupal.org/project/omega_tools">Omega Tools</a> module, and have it working with the <a href="http://lesscss.org">LESS CSS preprocessor</a>.</p>
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<p>The first thing that I need to do is download the Omega theme and the Omega Tools and <a href="http://drupal.org/project/less" title="LESS module on drupal.org">LESS</a> modules, and then to enable both modules. I'm doing this using Drush, but you can of course do this via the admin interface at admin/modules.</p>
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<pre><code class="language-bash">$ drush dl less omega omega_tools;
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$ drush en -y less omega_tools
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</code></pre>
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<p>With the Omega Tools module enabled I get the drush omega-subtheme command that creates my Omega subtheme programatically. Using this command, I'm creating a new subtheme, enabling it and setting it as the default theme on my site.</p>
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<pre><code class="language-bash">$ drush omega-subtheme "Oliver Davies" --machine_name="oliverdavies" --enable --set-default
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</code></pre>
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<p>By default, four stylesheets are created within the subtheme's css directory. The first thing that I'm going to do is rename <code>global.css</code> to <code>global.less</code>.</p>
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<pre><code class="language-bash">$ mv css/global.css css/global.less
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</code></pre>
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<p>Now I need to find all references to global.css within my oliverdavies.info file. I did this using <code>$ nano oliverdavies.info</code>, pressing <code>Ctrl+W</code> to search, then <code>Ctrl+R</code> to replace, entering <code>global.css</code> as the search phrase, and then <code>global.less</code> as the replacement text. After making any changes to oliverdavies.info, I need to clear Drupal's caches for the changes to be applied.</p>
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<pre><code class="language-bash">$ drush cc all
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</code></pre>
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<p>I tested my changes by making some quick additions to my global.less file and reloading the page.</p>
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<p>If your changes aren't applied, then confirm that your global.less file is enabled within your theme's configuration. I did this by going to admin/appearance/settings/oliverdavies, clicking on the Toggle styles tab within <em>Layout configuration</em> and finding global.less at the bottom of <em>Enable optional stylesheets</em>.</p>
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<p class="tags">
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Tags:
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<a href="https://opdavies.github.io/oliverdavies.uk/blog/tags/drupal-7">drupal-7</a>, <a href="https://opdavies.github.io/oliverdavies.uk/blog/tags/omega">omega</a>, <a href="https://opdavies.github.io/oliverdavies.uk/blog/tags/theming">theming</a>, <a href="https://opdavies.github.io/oliverdavies.uk/blog/tags/less">less</a>, <a href="https://opdavies.github.io/oliverdavies.uk/blog/tags/drupal-planet">drupal-planet</a>, <a href="https://opdavies.github.io/oliverdavies.uk/blog/tags/drupal">drupal</a> </p>
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<div class="post-pager is-flex">
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<div class="is-half">
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<a href="/blog/2012/02/01/use-authorized-keys-create-passwordless-ssh-connection">
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« How to use Authorized Keys to Create a Passwordless SSH Connection
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</a>
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</div>
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<div class="is-half text-right">
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<a href="/blog/2012/04/17/installing-nagios-centos">
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Installing Nagios on CentOS »
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</a>
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</div>
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</div>
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<div class="about-author">
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<h2>About the Author</h2>
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<img src="https://opdavies.github.io/oliverdavies.uk/assets/images/me-precedent.jpg" alt="Picture of Oliver" class="img-circle">
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<p>Oliver Davies is a Web Developer, System Administrator and Drupal specialist based in the UK. He is a Senior Developer at <a href="https://microserve.io">Microserve</a> and also provides freelance consultancy services for Drupal websites, PHP applications and Linux servers.</p>
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</div>
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src="https://opdavies.github.io/oliverdavies.uk/assets/images/da-individual-member.png"
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alt="Drupal Association Individual Member"
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width="152"
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>
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</a>
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<a href="http://drupalcores.com/#opdavies">
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alt="I built Drupal 8 with hand holding a wrench on blue background"
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/>
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<img src="https://opdavies.github.io/oliverdavies.uk/assets/images/badges/phpnw17.png" alt="">
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</a>
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<div class="availability panel panel-default">
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<div class="panel-heading">Availability</div>
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<div class="panel-body">
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<p>
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<i class="fa fa-thumbs-o-up text-warning"></i>
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Currently have limited part-time capacity
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</p>
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<p>
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<i class="fa fa-thumbs-o-down text-danger"></i>
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Currently no spare full-time capacity.
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</p>
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</div>
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</div>
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<div class="latest-posts panel panel-default">
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<div class="latest-posts__heading panel-heading">Latest blog posts</div>
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<ul class="list-group">
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<li class="post list-group-item">
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<span class="post__title">
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<a href="/blog/2017/06/09/introducing-the-drupal-meetups-twitterbot">
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Introducing the Drupal Meetups Twitterbot
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</a>
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</span> -
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<span class="post__date">9th June, 2017</span>
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</li>
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<li class="post list-group-item">
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<span class="post__title">
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<a href="/blog/2017/05/20/turning-drupal-module-into-feature">
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Turning Your Custom Drupal Module into a Feature
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</a>
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</span> -
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<span class="post__date">20th May, 2017</span>
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</li>
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<li class="post list-group-item">
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<span class="post__title">
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<a href="/blog/2017/05/15/drupalcamp-bristol-early-bird-tickets-sessions-sponsors">
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DrupalCamp Bristol 2017 - Early Bird Tickets, Call for Sessions, Sponsors
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</a>
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</span> -
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<span class="post__date">15th May, 2017</span>
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</li>
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</ul>
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</div>
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</div>
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</div> </div>
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<footer class="container">
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<p class="copyright">
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© 2010-2017 Oliver Davies. Built with <a href="https://sculpin.io">Sculpin</a>.
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</p>
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<div class="meetups">
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<h2>Things that I organise</h2>
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<ul>
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<li class="meetups--drupal-bristol">
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<a href="http://www.drupalbristol.org.uk" title="Drupal Bristol">
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<img src="https://opdavies.github.io/oliverdavies.uk/assets/images/meetups/drupal-bristol.jpeg" alt="Drupal Bristol">
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</a>
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</li>
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<li class="meetups--drupalcamp-bristol">
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<a href="http://www.drupalcampbristol.co.uk" title="DrupalCamp Bristol">
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<img src="https://opdavies.github.io/oliverdavies.uk/assets/images/meetups/drupalcamp-bristol.png" alt="DrupalCamp Bristol">
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</a>
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</li>
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<li class="meetups--phpsw">
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<a href="http://phpsw.uk" title="PHPSW">
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<img src="https://opdavies.github.io/oliverdavies.uk/assets/images/meetups/phpsw.jpeg" alt="PHPSW">
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</a>
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</li>
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