dockerCheckout() {
    # Can edit
    CHECKOUT_PATH=/tmp
    M2_HOST_SETTINGS=~/.m2/settings.xml
    M2_CACHE_PATH=~/.m2/repository-docker

    # Don't edit if you don't know what you're doing
    IMAGE=${1:-"strongboxci/alpine:jdk8-mvn3.6"}
    PROJECT=${2-strongbox}
    BRANCH=${3-master}
    URL="https://github.com/strongbox/$PROJECT"

    if [[ $2 == "--help" || $2 == "help" ]]; then
        echo ""
        echo "${FUNCNAME[1]} PROJECT BRANCH MVN_CMD"
        echo "${FUNCNAME[1]} strongbox master/PR-123 mvn clean install"
        echo ""
        return
    fi

    if [[ $BRANCH =~ ^.+[[:space:]].+$ ]]; then
        echo ""
        echo "The branch argument contains spaces. Use ${FUNCNAME} --help for help."
        echo ""
        return
    fi

    CLONE_CMD="git clone $URL ~/workspace && cd ~/workspace "

    if [[ $BRANCH =~ ^PR\-([0-9]+)$ ]]; then
        PR=${BRANCH:3}
        CLONE_CMD+="&& git fetch origin pull/$PR/head:pr/$PR && git checkout pr/$PR "
    fi

    CMD="${@:4}"
    if [[ -z $CMD ]]; then
        CMD="mvn clean install"
    fi

    WORKSPACE=$(mktemp -d $CHECKOUT_PATH/dockerBuild-$PROJECT-$BRANCH.XXXXX)
    echo "Temporary workspace created at: $WORKSPACE"
    echo "Attaching $M2_HOST_SETTINGS as /home/jenkins/.m2/settings-host.xml"

    if [[ ! -d $M2_CACHE_PATH ]]; then
        echo "Creating m2 cache path..."
        (set -x; mkdir -p $M2_CACHE_PATH)
    fi
    echo "M2 cache path is: $M2_CACHE_PATH"
    echo ""

    docker run -it --rm -v $M2_HOST_SETTINGS:/home/jenkins/.m2/settings-host.xml:ro \
                        -v $M2_CACHE_PATH:/home/jenkins/.m2/repository \
                        -v $WORKSPACE:/home/jenkins/workspace:rw $IMAGE \
                        /bin/bash -c "set -x; $CLONE_CMD && $CMD"
    echo ""
    echo "Temporary workspace is at: $WORKSPACE"

    read -r -p "Would you like to auto delete the workspace? [y/N] " response
    if [[ $response =~ ^[Yy]$ ]]; then
        (set -ex; rm -rf "$WORKSPACE")
    else
        echo "Ok, skipping!"
    fi
   
    echo ""
}


dockerLocal() {
    # Can edit
    CHECKOUT_PATH=/tmp
    M2_HOST_SETTINGS=~/.m2/settings.xml
    M2_CACHE_PATH=~/.m2/repository-docker

    # Don't edit if you don't know what you're doing.
    if [[ $2 == "--help" || $2 == "help" ]]; then
        echo ""
        echo "cd /path/to/project && ${FUNCNAME[1]} MVN_CMD"
        echo "cd /strongbox/ && ${FUNCNAME[1]} mvn clean install"
        echo ""
        return
    fi

    IMAGE=${1:-"strongboxci/alpine:jdk8-mvn3.6"}

    CMD="${@:2}"
    if [[ -z $CMD ]]; then
        CMD="mvn clean install"
    fi

    echo "Attaching current working directory $(pwd) as /home/jenkins/workspace"

    if [[ ! -d $M2_CACHE_PATH ]]; then
        echo "Creating m2 cache path..."
        (set -x; mkdir -p $M2_CACHE_PATH)
    fi
    echo "M2 cache path is: $M2_CACHE_PATH"
    echo "Attaching $M2_HOST_SETTINGS as /home/jenkins/.m2/settings-host.xml"
    echo ""

    docker run -it --rm -v $M2_HOST_SETTINGS:/home/jenkins/.m2/settings-host.xml:ro \
                        -v $M2_CACHE_PATH:/home/jenkins/.m2/repository \
                        -v $(pwd):/home/jenkins/workspace:rw $IMAGE \
                        /bin/bash -c "set -x; cd /home/jenkins/workspace; $CMD"
}

dockerMvnCheckout() {
    dockerCheckout strongboxci/alpine:jdk8-mvn3.6 "$@"
}

dockerNugetMonoCheckout() {
    dockerCheckout strongboxci/alpine:jdk8-mvn3.6-mono5-nuget3.4 "$@"
}

dockerGradleCheckout() {
    dockerCheckout strongboxci/alpine:jdk8-mvn3.6-gradle5.6 "$@"
}

dockerSBTCheckout() {
    dockerCheckout strongboxci/alpine:jdk8-mvn3.6-sbt1.3 "$@"
}

dockerMvn() {
    dockerLocal strongboxci/alpine:jdk8-mvn3.6 "$@"
}

dockerNugetMono() {
    dockerLocal strongboxci/alpine:jdk8-mvn3.6-mono5-nuget3.4 "$@"
}

dockerGradle() {
    dockerLocal strongboxci/alpine:jdk8-mvn3.6-gradle5.6 "$@"
}

dockerSBT() {
    dockerLocal strongboxci/alpine:jdk8-mvn3.6-sbt1.3 "$@"
}