Maven + JRuby + Pry Example

Main.java

package com.example.pry;

import org.jruby.embed.ScriptingContainer;

public class Main {
    public static void main(String... args){
        ScriptingContainer container = new ScriptingContainer();
        container.runScriptlet("require 'pry'; binding.pry");
    }
}

pom-dependencies.xml

<project>
  <!-- .... -->
  
  <repositories>
    <repository>
      <id>gemjars</id>
      <url>http://deux.gemjars.org</url>
    </repository>
  </repositories>

  <dependencies>
    <dependency>
      <groupId>org.jruby</groupId>
      <artifactId>jruby-complete</artifactId>
      <version>1.7.4</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.rubygems</groupId>
      <artifactId>pry</artifactId>
      <version>0.9.12.2</version>
      <scope>compile</scope>
    </dependency>
  </dependencies>

  <!-- ... -->
</project>

pom-empty.xml

<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <groupId>com.example.pry</groupId>
    <artifactId>pry</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>pry</name>

</project>

pom-plugins.xml

<project>
  <!-- ... -->

  <build>
      <plugins>
          <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-compiler-plugin</artifactId>
              <version>2.3.2</version>
              <configuration>
                  <source>1.6</source>
                  <target>1.6</target>
              </configuration>
          </plugin>

          <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-shade-plugin</artifactId>
              <version>1.4</version>
              <executions>
                  <execution>
                      <phase>package</phase>
                      <goals>
                          <goal>shade</goal>
                      </goals>
                      <configuration>
                          <shadedArtifactAttached>true</shadedArtifactAttached>
                          <transformers>
                              <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                  <mainClass>com.example.pry.Main</mainClass>
                              </transformer>
                          </transformers>
                      </configuration>
                  </execution>
              </executions>
          </plugin>
      </plugins>
  </build>
  
  <!-- ... -->
</project>