pipeline {  agent { label 'master' }  stages {
   stage("Test changeset"){
        when { changeset "**/Jenkinsfile"}
            steps{ echo "The changeset test worked!!"}
        }
    stage("Display changeset?") {
      steps {
        script {
           def changeLogSets = currentBuild.changeSets           for (int i = 0; i < changeLogSets.size(); i++) {
           def entries = changeLogSets[i].items           for (int j = 0; j < entries.length; j++) {
               def entry = entries[j]
               echo "${entry.commitId} by ${entry.author} on ${new Date(entry.timestamp)}: ${entry.msg}"               def files = new ArrayList(entry.affectedFiles)               for (int k = 0; k < files.size(); k++) {
                   def file = files[k]
                   echo " ${file.editType.name} ${file.path}"               }
            }
           }
        }
      }

[Pipeline] }
[Pipeline] // stage
[Pipeline] stage
[Pipeline] { (Test changeset)
Stage "Test changeset" skipped due to when conditional
[Pipeline] }
[Pipeline] // stage
[Pipeline] stage
[Pipeline] { (Display changeset?)
[Pipeline] script
[Pipeline] {
[Pipeline] echo
66 by jesse on Tue Nov 05 03:40:41 PST 2019: Polling time adjust
[Pipeline] echo
 edit //streams/Dev-Jenkins/Jenkinsfile
[Pipeline] }
[Pipeline] // script
[Pipeline] }
[Pipeline] // stage