Jenkinsfile example

gistfile1.txt

$ cat Jenkinsfile 
#!/usr/bin/env groovy

node {
    git credentialsId: '4sdjfsdkjbfgksjdbfksjdbfkjsdbfkjsdbfjkbsdfb', url: 'git@bitbucket.org:/terraform-autobot.git'
    withEnv(["SOURCE_BUILD_NUMBER=${env.BUILD_NUMBER}"]) {
        sh '''#!/bin/bash

            echo $SOURCE_BUILD_NUMBER
            echo "======="
            FOO=BAR
            echo ${FOO}
            if [ ${FOO} == "BAR" ]; then echo hi; else echo hey; fi
        '''
    }
}