jenkins() {
  case "$1" in
  clean)
    rm -fr $( ls -d1 /tmp/*.jenkins )

    return 0
    ;;
  *)
    version="${1:-latest}"; shift
    dir="${1:-$( mktemp -d --suffix=.jenkins )}"; shift

    mkdir -p "$dir"
    chmod 777 "$dir"

    echo "Using directory: $dir"
    docker run --rm -p 8080:8080 -p 50000:50000 -v "$dir:/var/jenkins_home" "jenkins:$version"

    return 0
    ;;
  esac
}