dojo download via Maven

gistfile1.xml

         <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>wagon-maven-plugin</artifactId>
                <version>1.0-beta-1</version>
                <executions>
                    <execution>
                        <id>download-dojo</id>
                        <phase>generate-resources</phase>
                        <goals>
                            <goal>download-single</goal>
                        </goals>
                        <configuration>
                            <serverId>dojotoolkit</serverId>
                            <url>http://download.dojotoolkit.org/release-${dojo.version}</url>
                            <fromFile>dojo-release-${dojo.version}-src.tar.gz</fromFile>
                            <toDir>${project.build.directory}</toDir>
                        </configuration>
                    </execution>
                </executions>
            </plugin>