## clone git repos
## supports both github and gitlab
## supports using a personal access token to run git pull

apt update
apt install -y git curl jq file unzip

mkdir -p /mnt/server
cd /mnt/server

if [ "${USER_UPLOAD}" == "true" ] || [ "${USER_UPLOAD}" == "1" ]; then
    echo -e "assuming user knows what they are doing have a good day."
    exit 0
fi

## add git ending if it's not on the address
if [[ ${GIT_ADDRESS} != *.git ]]; then
    GIT_ADDRESS=${GIT_ADDRESS}.git
fi

if [ -z "${USERNAME}" ] && [ -z "${ACCESS_TOKEN}" ]; then
    echo -e "using anon api call"
else
    GIT_ADDRESS="https://${USERNAME}:${ACCESS_TOKEN}@$(echo -e ${GIT_ADDRESS} | cut -d/ -f3-)"
fi

## pull git js bot repo
if [[ ! "${USERNAME}" == "" ]]; then
    if [ "$(ls -A /mnt/server)" ]; then
        echo -e "/mnt/server directory is not empty."
        if [ -d .git ]; then
            echo -e ".git directory exists"
            if [ -f .git/config ]; then
                echo -e "loading info from git config"
                ORIGIN=$(git config --get remote.origin.url)
            else
                echo -e "files found with no git config"
                echo -e "closing out without touching things to not break anything"
                exit 10
            fi
        fi

        if [ "${ORIGIN}" == "${GIT_ADDRESS}" ]; then
            echo "pulling latest from github"
            git pull
        fi
    else
        echo -e "/mnt/server is empty.\ncloning files into repo"
        if [ -z ${BRANCH} ]; then
            echo -e "cloning default branch"
            git clone ${GIT_ADDRESS} .
        else
            echo -e "cloning ${BRANCH}'"
            git clone --single-branch --branch ${BRANCH} ${GIT_ADDRESS} .
        fi

    fi
fi