import hudson.plugins.accurev.*

    def build_ok = true

    pipeline {
        agent any
        
        stages {
            stage('1') {
                steps {
                    sh 'exit 0'
                }
            }

    	stage('2') {
    	    steps {
    		script {
    		    try {
    			sh 'exit 0'
    		    } finally {
    		    	echo "... finished"
    		    }
    		}
    	    }
    	}

            stage('3') {
                when {
                    expression {
                        return build_ok;
                    }                
                }
                steps {
                    sh 'exit 0'
                }
            }
        }
    }