node("linux && amd64 && docker") {
  docker.image("icedream/freetz@sha256:6607702228ee9ee819d888702acf3ddefe7609132f7f15c88349251a15f5a5cc").inside {
    stage("Checkout") {
       checkout scm
       sh """
       cd ${pwd()}
       chown -R freetz:freetz .
       rm -rf /freetz
       cp -a freetz /
       cp -a .config config include make /freetz
       """
    }

    sh """
    apt update
    apt install -y bc
    """

    withCredentials([
      file(credentialsId: 'freetz.image_signing.asc', variable: 'FREETZ_IMAGE_SIGNING_ASC'),
      file(credentialsId: 'freetz.image_signing.key', variable: 'FREETZ_IMAGE_SIGNING_KEY'),
      file(credentialsId: 'freetz.image_signing.pem', variable: 'FREETZ_IMAGE_SIGNING_PEM'),
    ]) {
      sh """
      chown freetz:freetz \
        \"\${FREETZ_IMAGE_SIGNING_ASC}\" \
        \"\${FREETZ_IMAGE_SIGNING_KEY}\" \
        \"\${FREETZ_IMAGE_SIGNING_PEM}\"
      cp \"\${FREETZ_IMAGE_SIGNING_ASC}\" ~freetz/.freetz.image_signing.asc
      cp \"\${FREETZ_IMAGE_SIGNING_KEY}\" ~freetz/.freetz.image_signing.key
      cp \"\${FREETZ_IMAGE_SIGNING_PEM}\" ~freetz/.freetz.image_signing.pem
      """
    }

    stage("Build") {
      ansiColor('xterm') {
        sh """
        cd /freetz
        su freetz -c \"sh -c 'umask 0022 && make oldconfig'\"
        """
        retry(10) {
          sh """
          cd /freetz
          su freetz -c \"sh -c 'umask 0022 && make'\"
          """
        }
        sh """
        cd /freetz
        cp -r images outboard \"${env.WORKSPACE}\"
        """
      }
    }

    archive "images/**,outboard/**"
  }
}