#!/usr/bin/env groovy

def getMyValue() { return 'MY_VALUE' }
def getJobUrl() { return env['JOB_URL'] ?: env['FOO'] }

pipeline {
    agent { node { label 'xwiki' } }
    options { skipDefaultCheckout() }
    environment {
        UPPER = 'UPPER'
        lower = 'lower'
                              
        MY_VALUE = getMyValue()
        my_value = getMyValue()
                               
        MY_JOB = getJobUrl()
        my_job = getJobUrl()
    }
    stages {
        stage('Envs UPPER and lower') {
            steps {
                sh("echo U \$UPPER")
                sh("echo l \$lower")                
                
                sh 'echo U $UPPER'
                sh 'echo l $lower'

                sh("echo M \$MY_VALUE")
                sh("echo m \$my_value") 
               
                sh 'echo M $MY_VALUE'
                sh 'echo m $my_value' 
                
                sh("echo M \$MY_JOB")
                sh("echo m \$my_job")
               
                sh 'echo M $MY_JOB'
                sh 'echo m $my_job'
            }
        }
    }
}