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