mvn  –batch-mode  release:prepare -DdryRun=true

(instead of looking for it again and a…)

source : https://maven.apache.org/maven-release/maven-release-plugin/usage.html

Maven: The Definitive Guide
http://maven-guide-fr.erwan-alliaume.com/maven-guide-fr/site/reference/public-book.html

Maven: The Complete Reference
http://maven-guide-fr.erwan-alliaume.com/maven-reference-fr/site/reference/public-book.html