node {
    stage('checkout: Check out from version control') {
        git clone https://git.wmi.amu.edu.pl/s478841/ium_478841.git
    }
    stage('sh: Shell Script') {
        //Wywołaj w konsoli komendę "figlet", która generuje ASCI-art
        //sh "figlet \"${INPUT_TEXT}\" | tee output.txt"
        sh "./load_data.sh | tee output.txt"
    }
    stage('Goodbye') {
        echo 'Goodbye!'
        //Zarchiwizuj wynik
        archiveArtifacts 'output.txt'
    }
}