install_zoffline.sh

#!/usr/bin/env bash
# bash script to install zoffline

zofflineGitUrl="https://github.com/zoffline/zwift-offline.git"
zOfflineArchiveUrl="https://github.com/zoffline/zwift-offline/archive/refs/heads/master.zip"

pipPackages="flask flask_sqlalchemy flask-login pyjwt gevent protobuf protobuf3_to_dict requests"
optionalStravaPackages="stravalib"
optionalGarminPackages="garmin-uploader cryptography"
optionalDiscordPackages="discord"

ask() {
    local prompt default reply

    if [[ ${2:-} = 'Y' ]]; then
        prompt='Y/n'
        default='Y'
    elif [[ ${2:-} = 'N' ]]; then
        prompt='y/N'
        default='N'
    else
        prompt='y/n'
        default=''
    fi

    while true; do
        echo -n "$1 [$prompt] "

        read -r reply </dev/tty

        if [[ -z $reply ]]; then
            reply=$default
        fi

        case "$reply" in
            Y*|y*) return 0 ;;
            N*|n*) return 1 ;;
        esac

    done
}

echo "This script will install a zwift-offline server in the current directory."

if ask "Do you want to install strava packages?" N; then
    pipPackages="$pipPackages $optionalStravaPackages"
fi
if ask "Do you want to install garmin packages?" N; then
    pipPackages="$pipPackages $optionalGarminPackages"
fi
if ask "Do you want to install discord packages?" N; then
    pipPackages="$pipPackages $optionalDiscordPackages"
fi

echo "Downloading zoffline..."
if [ -x "$(command -v git)" ]; then
    git clone --quiet $zofflineGitUrl
else
    if [ ! -d "zwift-offline" ]; then
        echo "git not found, downloading zwift-offline from $zOfflineArchiveUrl"
        if [ -x "$(command -v curl)" ]; then
            curl -L $zOfflineArchiveUrl -o zwift-offline.zip
        elif [ -x "$(command -v wget)" ]; then
            wget $zOfflineArchiveUrl -O zwift-offline.zip
        else
            echo "curl or wget is not installed. Please install one of them and try again."
            exit 1
        fi
        unzip -q zwift-offline.zip
        mv zwift-offline-master zwift-offline
        rm zwift-offline.zip
    fi
fi

if [ -x "$(command -v virtualenv)" ]; then
    echo "Creating virtualenv in zwift-offline..."
    virtualenv -p python3 zwift-offline/venv
    echo "Installing pip packages: $pipPackages"
    zwift-offline/venv/bin/pip3 install -q $pipPackages
    runCommand="venv/bin/python3 standalone.py"
else
    echo "virtualenv is not installed, installing pip packages globally: $pipPackages"
    pip3 install -q $pipPackages
    runCommand="python3 standalone.py"
fi


echo "zwift-offline installed! Use '$runCommand' to run the server."
exit 0