How to perform an Apache release.
Settings
First, configure your ~/.m2/settings.xml file to include your credentials.
...
To encrypt your password, use Maven's password encryption capabilities.
Step-by-step guide
To run on the clean master branch.
Test your settings:
mvn clean install -Papache-release -Pall -DcreateChecksum=true -DskipTests -Dmaven.javadoc.skip=true -Dgpg.passphrase=********
Perform the release:
mvn release:prepare -Papache-release -Pall -DautoVersionSubmodules=true -DdevelopmentVersion=X.Y.Z-incubating-SNAPSHOT -Darguments="-DcreateChecksum=true -DskipTests -Dmaven.javadoc.skip=true -Dgpg.passphrase=********"
...
After voting on the dev@ list the release can be promoted.
Publish artifacts on svn:
svn co https://dist.apache.org/repos/dist/dev/incubator/samoa samoa-apache-dist
References
http://www.apache.org/dev/publishing-maven-artifacts.html
http://www.apache.org/dev/release-signing.html
http://incubator.apache.org/guides/release.html
See https://github.com/apache/incubator-tinkerpop/blob/master/README.asciidoc