A pom snippet to show what's available to Groovy scripts run using the GMaven plugin as part of your maven build

GMaven script properties

    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.groovy.maven</groupId>
                <artifactId>gmaven-plugin</artifactId>
                <executions>
                    <execution>
                        <phase>generate-resources</phase>
                        <goals>
                            <goal>execute</goal>
                        </goals>
                        <configuration>
                            <source>
                                println this.binding.variables
                                println project.properties
                                println settings.properties
                            </source>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>