#!/bin/sh
set -eu

prepare_volume() {
    path="$1"
    marker="$path/.progression-root-volume-ready"
    mkdir -p "$path"
    if [ ! -e "$marker" ]; then
        echo "Preparing persistent volume for the container user: $path"
        chown -R 0:0 "$path"
        touch "$marker"
    fi
}

prepare_steam_volume() {
    path="$1"
    marker="$path/.progression-steam-owner-v2"

    # SteamCMD starts as root in this container, but its Linux filesystem
    # workers use the account that owns the SteamCMD installation. Keep both
    # its HOME and Workshop library writable by that account.
    mkdir -p \
        /home/progression/Steam/logs \
        "$path/workshop/content/294100"
    chown -R progression:progression /home/progression

    if [ ! -e "$marker" ]; then
        echo "Preparing persistent Steam library for SteamCMD: $path"
        chown -R progression:progression "$path"
        touch "$marker"
        chown progression:progression "$marker"
    else
        chown progression:progression \
            "$path" \
            "$path/workshop" \
            "$path/workshop/content" \
            "$path/workshop/content/294100"
    fi
}

prepare_volume /srv/progression/.data
prepare_steam_volume /srv/steam-library/steamapps

exec "$@"