node {
    stage('Preparation') {
         properties([
             parameters([
                    buildSelector(
                        defaultSelector: lastSuccessful(),
                        description: 'Which build to use for copying artifacts',
                        name: 'BUILD_SELECTOR'
                    )
                ])
            ])
    }
    stage('checkout: Check out from version control') {
        checkout scm
    }

    stage('Copy Artifacts') {
        copyArtifacts fingerprintArtifacts: true, projectName: 'z-s444510-create-dataset', selector: buildParameter('BUILD_SELECTOR')
        sh 'ls -a ./data'
    }

    stage('Calculate Dataset Statistics') {
            sh 'chmod +x dataset-stats.sh'
            sh './dataset-stats.sh'
    }
    stage('Save artefact') {
         archiveArtifacts artifacts: 'stats.txt', fingerprint: true
    }
}