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JRuby/Gradle
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<h1>
JRuby/Gradle
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<img src="images/jruby-gradle.png" alt="jruby gradle">
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<p><a href="https://github.com/jruby-gradle/">JRuby/Gradle</a> is a collection of
<a href="http://www.gradle.org">Gradle</a> plugins which make it easy to build, test,
manage and package Ruby applications. By combining the portability of
<a href="http://jruby.org">JRuby</a> with Gradle&#8217;s excellent task and dependency
management, <strong>JRuby/Gradle</strong> provides high quality build tooling for
Ruby and Java developers alike.</p>
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<p><strong>Plugins available:</strong></p>
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<p><a href="base.html">Base</a></p>
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<p><a href="jar.html">Jar</a></p>
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<p><a href="war.html">War</a></p>
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<p><a href="storm.html">Storm</a></p>
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<div class="sect1">
<h2 id="quick-start"><a class="anchor" href="#quick-start"></a>Quick Start</h2>
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<h3 id="running-some-ruby"><a class="anchor" href="#running-some-ruby"></a>Running some Ruby</h3>
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<p>The simplest example is a hello-world from Gradle, using JRuby/Gradle we can
execute a Ruby script, which has Ruby-based dependencies:</p>
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<div class="title">build.gradle</div>
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<pre class="CodeRay highlight nowrap"><code data-lang="gradle">apply plugin: &quot;com.github.jruby-gradle.base&quot;
import com.github.jrubygradle.JRubyExec
dependencies {
/* Using the built-in `jrubyExec` configuration to describe the
* dependencies our JRubyExec-based tasks will need
*/
jrubyExec &quot;rubygems:colorize:0.7.7+&quot;
}
task printSomePrettyOutputPlease(type: JRubyExec) {
description &quot;Execute our nice local print-script.rb&quot;
script &quot;${projectDir}/print-script.rb&quot;
}</code></pre>
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<div class="title">print-script.rb</div>
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<pre class="CodeRay highlight nowrap"><code data-lang="ruby"><span class="doctype">#!/usr/bin/env ruby</span>
require <span class="string"><span class="delimiter">'</span><span class="content">colorize</span><span class="delimiter">'</span></span>
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">-</span><span class="delimiter">&quot;</span></span> * <span class="integer">20</span>
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">Ruby version: </span><span class="inline"><span class="inline-delimiter">#{</span><span class="predefined-constant">RUBY_VERSION</span><span class="inline-delimiter">}</span></span><span class="delimiter">&quot;</span></span>
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">Ruby platform: </span><span class="inline"><span class="inline-delimiter">#{</span><span class="predefined-constant">RUBY_PLATFORM</span><span class="inline-delimiter">}</span></span><span class="delimiter">&quot;</span></span>
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">-</span><span class="delimiter">&quot;</span></span> * <span class="integer">20</span>
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">Roses are red</span><span class="delimiter">&quot;</span></span>.red
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">Violets are blue</span><span class="delimiter">&quot;</span></span>.blue
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">I can use JRuby/Gradle</span><span class="delimiter">&quot;</span></span>.green
puts <span class="string"><span class="delimiter">&quot;</span><span class="content">And now you can too!</span><span class="delimiter">&quot;</span></span>.yellow</code></pre>
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<p>Executing <code>./gradlew printSomePrettyOutputPlease</code> results in the following:</p>
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<img src="images/print-script-output.png" alt="print script output">
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<div class="sect2">
<h3 id="packaging-some-ruby"><a class="anchor" href="#packaging-some-ruby"></a>Packaging some Ruby</h3>
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