Some projects are released more frequently and consume more space than others, you can specify which part of the repository you want to clean
usage: ./NexusCleander.groovy -url <url> -ns <ns> -age <age> -user <user>
-pass <pass> [-arm] [-debug <debugLevel>]
-age <# of months> Remove everything in the namespace older than age
-arm Execute removal - if not set defaults to a dry run
-debug <level> Enable Debug Mode
-help This help message
-ns <ns> Namespace in Nexus to clean e.g.
com/nexuscleaner/someproject
-pass <pass> Nexus password
-url <url> URL to Nexus instance e.g.
http://localhost:8081/nexus
-user <user> Nexus user