stage ('predeploy') {
    steps {
        echo 'checking tag'
        script {
            if (sh(returnStdout: true, script: "git tag --contains").trim()) {
                def tag = sh(returnStdout: true, script: "git tag --contains").trim()
                echo 'found tag ' + tag
                sh "cd dist ; echo 'mkdir ${tag}; mv ./master/* ./${tag}; rm -r -d ./master; rm version.sh' > version.sh"
            } else {
                echo 'tag not found'
                sh "cd dist ; echo 'rm version.sh' > version.sh"
            }
        }
    }

    stage ('archiving') {
        steps {
            // Archive the build output artifacts.
            archiveArtifacts artifacts: 'dist/*'
        }
    }
}