Just to report back. This plugin allows you to add pull-down selection menu which is dynamically repopulated each time you run the job. You just need to write some groovy script to tell it how to populate the pick-list.
Extended Choice Parameter plugin https://wiki.jenkins-ci.org/display/JENKINS/Extended+Choice+Parameter+plugin -- View this message in context: http://jenkins.361315.n4.nabble.com/Plugin-to-query-the-user-for-input-Or-another-way-to-do-it-tp4631964p4640481.html Sent from the Jenkins users mailing list archive at Nabble.com.