This buildfile is part of projectlombok.org. It is responsible for creating and maintaining the maven repository that contains lombok's deliverables for those using maven. <version>${lombok.version}</version> ${mvn.bin.md5} ${mvn.bin.sha1} ${mvn.src.md5} ${mvn.src.sha1} ${mvn.pom.md5} ${mvn.pom.sha1} org.projectlombok lombok ${lombok.version} ${lombok.version} ${mvn.oldversions} ${now.millis} ]]> ${mvn.manifest.md5} ${mvn.manifest.sha1} Now copy maven.tar.bz2 to the website and unpack it in the mavenrepo directory. Let it overwrite files.