pipeline {
    agent any

    options {
        skipDefaultCheckout()
        disableConcurrentBuilds()
        timeout(time: 10, unit: 'MINUTES')
        buildDiscarder(logRotator(numToKeepStr: '10'))
    }

    stages {
        stage('Checkout') {
            steps {
                checkout scm
                sh 'git rev-parse HEAD'
            }
        }
        stage('Compile and lint') {
            steps {
                sh '''
                    mkdir -p build/classes
                    javac -Xlint:all -Werror -d build/classes \
                      src/main/java/edu/stevens/smartpark/ParkingLot.java \
                      src/test/java/edu/stevens/smartpark/ParkingLotTest.java
                '''
            }
        }
        stage('Unit tests') {
            steps {
                sh 'java -cp build/classes edu.stevens.smartpark.ParkingLotTest'
            }
        }
    }
}