Part of https://medium.com/@icheko/parse-smart-commits-in-your-jenkins-pipeline-a3bb3c8ee851

medium-smart-commits-01

library identifier: 'icheko-jenkins-shared-lib@master',
        retriever: modernSCM([
            $class: 'GitSCMSource',
            id: '13ebda5f-2be5-4751-83d4-4d4500603cc5',
            remote: 'https://github.com/icheko/jenkins-shared-lib',
            traits: [[$class: 'jenkins.plugins.git.traits.BranchDiscoveryTrait']]
        ]) _

pipeline {
    agent any
    stages {
        stage('Define environment') {
            agent any
            steps{
                script{
                    env.DEPLOY_ENV = readCommitVar('deploy')
                    println env.DEPLOY_ENV
                }
            }
        }
    }
}