Jenkinsfile

// Define global variables

// When the parameters change, this should be increased so that the build does nothing other than update the parameters used for the next build.
def pipelineVersion = '1'

def justjURL = 'https://download.eclipse.org/justj'

def testPrefix = "jres-test"
def testExtraPrefix = "archive/jres-test"
def defaultPrefix = "jres"

// Begin generated by /org.eclipse.justj.codegen/src/org/eclipse/justj/codegen/model/util/TemurinIndexer.java

def java11Adoptium = [
  label: 'Java 11 (Adoptium)',
  BUILD_DESCRIPTION: 'Build Adoptium Java 11',
  PUBLISH_LOCATION_PREFIX: "${defaultPrefix}",
  JUSTJ_MANIFEST_URL: "${justjURL}/${defaultPrefix}/11/downloads/latest/justj.manifest",
  JDK_URLS_WINDOWS: '''
    https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.21+9/OpenJDK11U-jdk_x64_windows_hotspot_11.0.21_9.zip
    ''',
  JDK_URLS_MACOS: '''
    https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.21+9/OpenJDK11U-jdk_x64_mac_hotspot_11.0.21_9.tar.gz
    ''',
  JDK_URLS_MACOS_AARCH64: '''
    https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.21+9/OpenJDK11U-jdk_aarch64_mac_hotspot_11.0.21_9.tar.gz
    ''',
  JDK_URLS_LINUX: '''
    https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.21+9/OpenJDK11U-jdk_x64_linux_hotspot_11.0.21_9.tar.gz
    ''',
  JDK_URLS_LINUX_AARCH64: '''
    https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.21+9/OpenJDK11U-jdk_aarch64_linux_hotspot_11.0.21_9.tar.gz
    ''',
  JDK_URLS_LINUX_PPC64LE: '''
    https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.21+9/OpenJDK11U-jdk_ppc64le_linux_hotspot_11.0.21_9.tar.gz
    ''',
  BUILD_TYPE: 'nightly',
  PROMOTE: 'true'
]

def java17Adoptium = [
  label: 'Java 17 (Adoptium)',
  BUILD_DESCRIPTION: 'Build Adoptium Java 17',
  PUBLISH_LOCATION_PREFIX: "${defaultPrefix}",
  JUSTJ_MANIFEST_URL: "${justjURL}/${defaultPrefix}/17/downloads/latest/justj.manifest",
  JDK_URLS_WINDOWS: '''
    https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.8.1+1/OpenJDK17U-jdk_x64_windows_hotspot_17.0.8.1_1.zip
    ''',
  JDK_URLS_MACOS: '''
    https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.8.1+1/OpenJDK17U-jdk_x64_mac_hotspot_17.0.8.1_1.tar.gz
    ''',
  JDK_URLS_MACOS_AARCH64: '''
    https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.8.1+1/OpenJDK17U-jdk_aarch64_mac_hotspot_17.0.8.1_1.tar.gz
    ''',
  JDK_URLS_LINUX: '''
    https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.8.1+1/OpenJDK17U-jdk_x64_linux_hotspot_17.0.8.1_1.tar.gz
    ''',
  JDK_URLS_LINUX_AARCH64: '''
    https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.8.1+1/OpenJDK17U-jdk_aarch64_linux_hotspot_17.0.8.1_1.tar.gz
    ''',
  JDK_URLS_LINUX_PPC64LE: '''
    https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.8.1+1/OpenJDK17U-jdk_ppc64le_linux_hotspot_17.0.8.1_1.tar.gz
    ''',
  BUILD_TYPE: 'nightly',
  PROMOTE: 'true'
]

def java21Adoptium = [
  label: 'Java 21 (Adoptium)',
  BUILD_DESCRIPTION: 'Build Adoptium Java 21',
  PUBLISH_LOCATION_PREFIX: "${defaultPrefix}",
  JUSTJ_MANIFEST_URL: "${justjURL}/${defaultPrefix}/21/downloads/latest/justj.manifest",
  JDK_URLS_WINDOWS: '''
    https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21+35/OpenJDK21U-jdk_x64_windows_hotspot_21_35.zip
    ''',
  JDK_URLS_MACOS: '''
    https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21+35/OpenJDK21U-jdk_x64_mac_hotspot_21_35.tar.gz
    ''',
  JDK_URLS_MACOS_AARCH64: '''
    https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21+35/OpenJDK21U-jdk_aarch64_mac_hotspot_21_35.tar.gz
    ''',
  JDK_URLS_LINUX: '''
    https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21+35/OpenJDK21U-jdk_x64_linux_hotspot_21_35.tar.gz
    ''',
  JDK_URLS_LINUX_AARCH64: '''
    https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21+35/OpenJDK21U-jdk_aarch64_linux_hotspot_21_35.tar.gz
    ''',
  JDK_URLS_LINUX_PPC64LE: '''
    ''',
  BUILD_TYPE: 'nightly',
  PROMOTE: 'true'
]

// End generated by /org.eclipse.justj.codegen/src/org/eclipse/justj/codegen/model/util/TemurinIndexer.java

def parambuilds = [
  java11Adoptium,
  java17Adoptium,
  java21Adoptium,
]

def javaDefault = update(java17Adoptium, [
    BUILD_DESCRIPTION: 'Build Adoptium Java 17',
    PUBLISH_LOCATION_PREFIX: "${defaultPrefix}",
    JUSTJ_MANIFEST_URL: "${justjURL}/${defaultPrefix}/17/downloads/latest/justj.manifest"
  ])

// Use declarative syntax to run commands inside a Groovy sand-box container.
pipeline {
  agent { label 'centos-latest' }

  options {
    buildDiscarder(logRotator(numToKeepStr: '10'))
    disableConcurrentBuilds()
  }

  tools {
    maven 'apache-maven-latest'
    jdk 'temurin-jdk17-latest'
  }

  environment {
    JUSTJ_CHECKOUT = 'false'
    JUSTJ_BUILD_TIME_STAMP = sh(returnStdout: true, script: 'date +%Y%m%d_%H%M').trim()
    JUSTJ_URL = "${justjURL}"
    JUSTJ_STORAGE_LOCATION = '/home/data/httpd/download.eclipse.org/justj'
  }

  parameters {
    string(
      name: 'PIPELINE_VERSION',
      defaultValue: "${pipelineVersion}",
      description: """${pretty(
        '''
        If the parameter definitions have changed, this version will be out-dated.
        The script will run but will do nothing other than updating the parameter definitions of the job as a side-effect.
        '''
      )}""")

    string(
      name: 'BUILD_DESCRIPTION',
      defaultValue: 'Build Adoptium Java 17',
      description: """${pretty(
        "Use one of the following links to reconfigure the other parameters below.<br/>${buttons(parambuilds)}"
        )}""")

    string(
      name: 'PUBLISH_LOCATION_PREFIX',
      defaultValue: "${javaDefault.PUBLISH_LOCATION_PREFIX}",
      description: """${pretty(
        '''
        The location under <a href="''' + justjURL + '''/" target="jres">''' + justjURL + '''/${PUBLISH_LOCATION_PREFIX}/${java.version}/downloads/</a> where to publish the results.
        <br/>
        Generally just use the default unless you plan to delete the results after the promotion.
        '''
        )}""")

    string(
      name: 'JUSTJ_MANIFEST_URL',
      defaultValue: "${javaDefault.JUSTJ_MANIFEST_URL}",
      description: """${pretty(
        '''
        Reuse an existing build of the JREs rather than building new ones.
        In general, copy a justj.manifest link from an existing <a href="''' + "${justjURL}/${defaultPrefix}" + '''" target="jres">jres/${java.version}/downloads/latest/justj.manifest</a>.
        The JDK URLs specified below will be ignored in this case.
        <b>To build new JREs, clear this parameter field!<b>
        <b>To do a release build, ensure that this field specifies the ${java.version} to be released.<b>
        '''
        )}""")

    text(
      name: 'JDK_URLS_WINDOWS',
      defaultValue: "${pretty(javaDefault.JDK_URLS_WINDOWS)}",
      description: 'One or more URLs to a Windows zip of a JDK, e.g., from <a href="https://adoptium.net/" target="jdk">https://adoptium.net/</a> or <a href="https://jdk.java.net/" target="jdk">https://jdk.java.net/</a>.')

    text(
      name: 'JDK_URLS_MACOS',
      defaultValue: "${pretty(javaDefault.JDK_URLS_MACOS)}",
      description: 'One or more URLs to a MacOS tar.gz of a JDK for x86_64, e.g., from <a href="https://adoptium.net/" target="jdk">https://adoptium.net/</a> or <a href="https://jdk.java.net/" target="jdk">https://jdk.java.net/</a>.')

    text(
      name: 'JDK_URLS_MACOS_AARCH64',
      defaultValue: "${pretty(javaDefault.JDK_URLS_MACOS_AARCH64)}",
      description: 'One or more URLs to a MacOS tar.gz of a JDK for aarch64, e.g., from <a href="https://adoptium.net/" target="jdk">https://adoptium.net/</a> or <a href="https://jdk.java.net/" target="jdk">https://jdk.java.net/</a>.')

    text(
      name: 'JDK_URLS_LINUX',
      defaultValue: "${pretty(javaDefault.JDK_URLS_LINUX)}",
      description: 'One or more URLs to a Linux tar.gz of a JDK for x86_64, e.g., from <a href="https://adoptium.net/" target="jdk">https://adoptium.net/</a> or <a href="https://jdk.java.net/" target="jdk">https://jdk.java.net/</a>.')

    text(
      name: 'JDK_URLS_LINUX_AARCH64',
      defaultValue: "${pretty(javaDefault.JDK_URLS_LINUX_AARCH64)}",
      description: 'One or more URLs to a Linux tar.gz of a JDK for aarch64, e.g., from <a href="https://adoptium.net/" target="jdk">https://adoptium.net/</a> or <a href="https://jdk.java.net/" target="jdk">https://jdk.java.net/</a>.')

    text(
      name: 'JDK_URLS_LINUX_PPC64LE',
      defaultValue: "${pretty(javaDefault.JDK_URLS_LINUX_PPC64LE)}",
      description: 'One or more URLs to a Linux tar.gz of a JDK for ppc64le, e.g., from <a href="https://adoptium.net/" target="jdk">https://adoptium.net/</a> or <a href="https://jdk.java.net/" target="jdk">https://jdk.java.net/</a>.')

    choice(
      name: 'BUILD_TYPE',
      choices: ['nightly', 'milestone', 'release'],
      description: """${pretty(
        '''
        The type of build to produce.
        A release build will not do a new build but rather will promote the most recent milestone build.
        None of the values specified above are therefore relevant in this case, <b>except that the Java version of the JUSTJ_MANIFEST_URL determines which update site will be released</b>.
        '''
        )}""")

    booleanParam(
      name: 'PROMOTE',
      defaultValue: false,
      description: 'Whether to promote the p2 repository to the download server.'
    )
  }

  stages {
    stage('Git Checkout') {
      when {
        environment name: 'JUSTJ_CHECKOUT', value: 'true'
      }
      steps {
        script {
          def gitVariables = checkout(
            poll: false,
            scm: [
              $class: 'GitSCM',
              branches: [[name: '*/master']],
              doGenerateSubmoduleConfigurations: false,
              submoduleCfg: [],
              userRemoteConfigs: [[url: 'https://github.com/eclipse-justj/justj.git']]
            ]
          )

          echo "$gitVariables"
          env.GIT_COMMIT = gitVariables.GIT_COMMIT
        }
      }
    }

    stage('Setup Environment') {
      when {
        environment name: 'PIPELINE_VERSION', value: pipelineVersion
        not { environment name: 'BUILD_NUMBER', value: '1' }
      }
      steps {
        sh '''
        echo 'Setting up environment...'
        ls -R releng
        chmod +x releng/org.eclipse.justj.releng/*.sh
        '''
        stash includes: 'releng/org.eclipse.justj.releng/**', name: 'releng-stash'
        script {
          env.PIPELINE_VERSION = params.PIPELINE_VERSION
          env.PUBLISH_LOCATION_PREFIX = params.PUBLISH_LOCATION_PREFIX
          env.JUSTJ_MANIFEST_URL = params.JUSTJ_MANIFEST_URL
          env.JDK_URLS_WINDOWS = pretty(params.JDK_URLS_WINDOWS)
          env.JDK_URLS_MACOS = pretty(params.JDK_URLS_MACOS)
          env.JDK_URLS_MACOS_AARCH64 = pretty(params.JDK_URLS_MACOS_AARCH64)
          env.JDK_URLS_LINUX = pretty(params.JDK_URLS_LINUX)
          env.JDK_URLS_LINUX_AARCH64 = pretty(params.JDK_URLS_LINUX_AARCH64)
          env.JDK_URLS_LINUX_PPC64LE = pretty(params.JDK_URLS_LINUX_PPC64LE)
          env.BUILD_TYPE = params.BUILD_TYPE
          env.PROMOTE = params.PROMOTE
          if (params.JUSTJ_MANIFEST_URL != '') {
            env.JAVA_MAJOR_VERSION = sh(returnStdout: true, script: 'echo $(basename $(dirname $(dirname $(dirname $JUSTJ_MANIFEST_URL))))').trim()
            env.JUSTJ_PUBLISH_LOCATION = "${env.PUBLISH_LOCATION_PREFIX}/${env.JAVA_MAJOR_VERSION}"
          }
        }
      }
    }

    stage('Build JREs') {
      when {
        environment name: 'JUSTJ_MANIFEST_URL', value: ''
        not {environment name: 'BUILD_TYPE', value: 'release' }
        environment name: 'PIPELINE_VERSION', value: pipelineVersion
        not { environment name: 'BUILD_NUMBER', value: '1' }
      }

      parallel {

        stage('Build Linux JREs') {
          when {
            not { environment name: 'JDK_URLS_LINUX', value: '' }
          }

          steps {
            sh '''
            releng/org.eclipse.justj.releng/build-jre.sh
            '''
          }
        }

        stage('Build Linux JREs AArch64') {
          agent {
            label 'aarch64'
          }

          when {
            beforeAgent true
            not { environment name: 'JDK_URLS_LINUX_AARCH64', value: '' }
          }

          options { skipDefaultCheckout true }

          steps {
            cleanWs()
            unstash 'releng-stash'
            sh '''
            releng/org.eclipse.justj.releng/build-jre.sh
            '''
            stash includes: '*org.eclipse.justj.*.tar.gz', name: 'linux-aarch64-stash'
          }
        }

        stage('Build Linux JREs PPC64LE') {
          agent {
            label 'ppc64le'
          }

          when {
            beforeAgent true
            not { environment name: 'JDK_URLS_LINUX_PPC64LE', value: '' }
          }

          options { skipDefaultCheckout true }

          steps {
            cleanWs()
            unstash 'releng-stash'
            sh '''
            releng/org.eclipse.justj.releng/build-jre.sh
            '''
            stash includes: '*org.eclipse.justj.*.tar.gz', name: 'linux-ppc64le-stash'
          }
        }

        stage('Build Windows JREs') {
          agent {
            label 'windows'
          }

          when {
            beforeAgent true
            not { environment name: 'JDK_URLS_WINDOWS', value: '' }
          }

          options { skipDefaultCheckout true }

          steps {
            cleanWs()
            unstash 'releng-stash'
            bat '''
              bash -ex releng/org.eclipse.justj.releng/build-jre.sh
              '''
            stash includes: '*org.eclipse.justj.*.tar.gz', name: 'win-stash'
          }
        }

        stage('Build MacOS JREs') {
          stages {
            stage('Build MacOS JREs x86_64') {
              agent {
                label 'macos && arm64'
              }

              when {
                beforeAgent true
                not { environment name: 'JDK_URLS_MACOS', value: '' }
              }

              options { skipDefaultCheckout true }

              steps {
                cleanWs()
                unstash 'releng-stash'
                sh '''
                export ARCH=x86_64
                releng/org.eclipse.justj.releng/build-jre.sh
                '''
                stash includes: 'org.eclipse.justj.*.tar.gz', name: 'mac-stash'
              }
            }

            stage('Build MacOS JREs Aarch64') {
              agent {
                label 'macos && arm64'
              }

              when {
                beforeAgent true
                not { environment name: 'JDK_URLS_MACOS_AARCH64', value: '' }
              }

              options { skipDefaultCheckout true }

              steps {
                cleanWs()
                unstash 'releng-stash'
                sh '''
                export ARCH=aarch64
                releng/org.eclipse.justj.releng/build-jre.sh
                '''
                stash includes: 'org.eclipse.justj.*.tar.gz', name: 'mac-aarch64-stash'
              }
            }
          }
        }
      }
    }

    stage('Compose JREs') {
      when {
        environment name: 'JUSTJ_MANIFEST_URL', value: ''
        not {environment name: 'BUILD_TYPE', value: 'release' }
        environment name: 'PIPELINE_VERSION', value: pipelineVersion
        not { environment name: 'BUILD_NUMBER', value: '1' }
      }

      steps {
        script {
          if (env.JDK_URLS_MACOS != '') {
            unstash 'mac-stash'
          }

          if (env.JDK_URLS_MACOS_AARCH64 != '') {
            unstash 'mac-aarch64-stash'
          }

          if (env.JDK_URLS_WINDOWS != '') {
            unstash 'win-stash'
          }

          if (env.JDK_URLS_LINUX_PPC64LE != '') {
            unstash 'linux-ppc64le-stash'
          }

          if (env.JDK_URLS_LINUX_AARCH64 != '') {
            unstash 'linux-aarch64-stash'
          }

          // Look for the java.version property in each JRE's properties file, extract out just the major version, and boil those down to unique values.
          env.JAVA_MAJOR_VERSION = sh(returnStdout: true, script: 'echo $(for i in org.eclipse.justj.*.tar.gz; do tar -xOzf $i org.eclipse.justj.properties | grep "java.version=" | sed "s/^java.version=//g; s/[^0-9].*$//g"; done | sort -u)').trim()
          env.JUSTJ_PUBLISH_LOCATION = "${env.PUBLISH_LOCATION_PREFIX}/${env.JAVA_MAJOR_VERSION}"
          env.JUSTJ_JRE_PUBLISH_LOCATION = "${env.JUSTJ_PUBLISH_LOCATION}/downloads/${env.JUSTJ_BUILD_TIME_STAMP}"
        }

        sh '''
          # Check that there is only one major version present.
          echo "JAVA_MAJOR_VERSION='$JAVA_MAJOR_VERSION'"
          echo "JUSTJ_PUBLISH_LOCATION='$JUSTJ_PUBLISH_LOCATION'"
          echo "JUSTJ_JRE_PUBLISH_LOCATION='$JUSTJ_JRE_PUBLISH_LOCATION'"
          if [[ $(echo $JAVA_MAJOR_VERSION | wc -w) == 1 ]]; then
            echo "One Java major version."
          else
            echo "Inconsistent Java major versions."
            exit 1
          fi
          '''

        sh '''
          # Unpack all the Windows JREs, sign all their *.exe and *.dll, and repackage them.
          for jre in *-win32-*.tar.gz; do
            rm -rf unpacked
            mkdir -p unpacked
            cd unpacked
            tar -xf ../$jre
            mvn --no-transfer-progress -f ../releng/org.eclipse.justj.releng/winsigner/pom.xml  -Dcbi.winsigner.signFiles=$(echo $(find ${PWD} -name "*.dll" -o -name "*.exe") | sed 's/ /,/g') clean verify
            rm ../$jre
            tar -czf ../$jre *
            cd -
            rm -rf unpacked
          done
        '''

        sh 'ls org.eclipse.justj.*.tar.gz > justj.manifest'

        dir('releng/org.eclipse.justj.releng/index') {
          sh '''
            mvn --no-transfer-progress -Djustj.manifest.location=../../../justj.manifest -Djustj.manifest.url=$JUSTJ_URL/$JUSTJ_JRE_PUBLISH_LOCATION/justj.manifest clean verify
            '''
        }

        archiveArtifacts 'org.eclipse.justj.*.tar.gz'
        archiveArtifacts 'justj.manifest'
        archiveArtifacts 'index.html'

        sshagent(['projects-storage.eclipse.org-bot-ssh']) {
          sh '''
            ssh genie.justj@projects-storage.eclipse.org "
            mkdir -p $JUSTJ_STORAGE_LOCATION/$JUSTJ_JRE_PUBLISH_LOCATION
            "

            scp index.html justj.manifest org.eclipse.justj.*.tar.gz genie.justj@projects-storage.eclipse.org:$JUSTJ_STORAGE_LOCATION/$JUSTJ_JRE_PUBLISH_LOCATION

            ssh genie.justj@projects-storage.eclipse.org "
              mkdir -p $JUSTJ_STORAGE_LOCATION/$JUSTJ_PUBLISH_LOCATION/downloads/latest
              cd $JUSTJ_STORAGE_LOCATION/$JUSTJ_PUBLISH_LOCATION/downloads/latest
              ls ../$JUSTJ_BUILD_TIME_STAMP/org.eclipse.justj.*.tar.gz > justj.manifest
              cp ../$JUSTJ_BUILD_TIME_STAMP/index.html .
              "
            '''
        }
      }
    }

    // Even if we are doing a release build, we must generate the infrastructure needed to publish the release.
    //
    stage('Reconcile/Generate JRE Model') {
      when {
        environment name: 'PIPELINE_VERSION', value: pipelineVersion
        not { environment name: 'BUILD_NUMBER', value: '1' }
      }
      steps {
        dir('model/org.eclipse.justj.model') {
          sh '''
            # Use the one we built just now or the one that was specified in the parameters.
            if [[ "$JUSTJ_MANIFEST_URL" == "" ]]; then
              sed 's%source=".*[.]manifest"%source="'$JUSTJ_URL/$JUSTJ_JRE_PUBLISH_LOCATION'/justj.manifest"%g' < justj.jregen > justj-transformed.jregen
            else
              sed 's%source=".*[.]manifest"%source="'$JUSTJ_MANIFEST_URL'"%g' < justj.jregen > justj-transformed.jregen
            fi
            cat justj-transformed.jregen
            mv justj-transformed.jregen justj.jregen
            mvn --no-transfer-progress clean verify
          '''
          archiveArtifacts 'justj.jregen,*-gen/'
        }
      }
    }

    stage('Build JRE p2 Repository') {
      when {
        environment name: 'PIPELINE_VERSION', value: pipelineVersion
        not { environment name: 'BUILD_NUMBER', value: '1' }
      }
      steps {
        sshagent(['projects-storage.eclipse.org-bot-ssh']) {
          dir('model/org.eclipse.justj.model/jre-gen') {
            sh '''
              if [[ $PROMOTE == false ]]; then
                promotion_argument='-Dorg.eclipse.justj.p2.manager.args='
              fi
              if [[ $BUILD_TYPE == 'release' ]]; then
                extra_argument='-DMAVEN_BUILD=false'
              fi
              mvn --no-transfer-progress $promotion_argument $extra_argument -Dorg.eclipse.justj.p2.manager.extra.args="-super $PUBLISH_LOCATION_PREFIX" -DPACK_AND_SIGN=true -Dorg.eclipse.justj.p2.manager.build.url=$JOB_URL -Dorg.eclipse.justj.p2.manager.relative=$JUSTJ_PUBLISH_LOCATION/updates -Dbuild.type=$BUILD_TYPE -Dgit.commit=$GIT_COMMIT -Dbuild.id=$BUILD_NUMBER clean verify
              '''
            script {
              if (params.BUILD_TYPE != 'release') {
                dir('releng/org.eclipse.justj.site/target') {
                  archiveArtifacts 'repository/,org.eclipse.justj.site*.zip'
                }
              }
            }
          }
        }
      }
    }
  }

  post {
    failure {
      mail to: 'ed.merks@gmail.com',
      subject: "[JustJ CI] Build Failure ${currentBuild.fullDisplayName}",
      mimeType: 'text/html',
      body: "Project: ${env.JOB_NAME}<br/>Build Number: ${env.BUILD_NUMBER}<br/>Build URL: ${env.BUILD_URL}<br/>Console: ${env.BUILD_URL}/console"
    }
    fixed {
      mail to: 'ed.merks@gmail.com',
      subject: "[JustJ CI] Back to normal ${currentBuild.fullDisplayName}",
      mimeType: 'text/html',
      body: "Project: ${env.JOB_NAME}<br/>Build Number: ${env.BUILD_NUMBER}<br/>Build URL: ${env.BUILD_URL}<br/>Console: ${env.BUILD_URL}/console"
    }
    cleanup {
      deleteDir()
    }
  }
}

def pretty(string) {
  return string.replaceAll("^\r?\n", "").replaceAll("\r?\n\$", "").replace("\r", "").stripIndent()
}

def update(map1, map2) {
  def result = map1.clone()
  result.putAll(map2)
  return result
}

def buttons(list) {
  // Styling links as buttons.
  //
  def buttonStyle = '''
     margin-left: 2em;
     margin-top: 1ex;
     margin-bottom: 1ex;
     font-weight: bold;
     border: 1px solid Chocolate;
     background-color: DarkOrange;
     color: white;
     padding: 0.25ex 0.25em;
     text-align: center;
     text-decoration: none;
     display: inline-block;
   '''.replaceAll("\\s+", " ").trim()

  def result = ""
  list.each {
    result +=  "\n<a href='parambuild?${parambuild(it)}' style='${buttonStyle}'>${it.label}</a>"
  }
  return result
}

def parambuild(arguments) {
  def result = ""
  arguments.each { entry ->
    // Ignore lower case entries
    if (entry.key.matches("[A-Z0-9_]+")) {
      if (!result.isEmpty()) {
        result += "&"
      }
      result += entry.key
      result += "="
      result += encode(entry.value);
    }
  }
  return result
}

def encode(string) {
  return string.replace("\r", "").replaceAll("^\n", "").replaceAll("\\s+\$", "").stripIndent().replace("\r", "").replace("%", "%25").replace("&", "%26").replace("\n", "%0A").replace("+", "%2B").replace(" ", "+")
}