source: scripts/usr/local/lib/7dtd/commands/updateengine.sh @ 80

#!/bin/bash

# Downloads SteamCMD, downloads/updates the 7dtd engine

sdtdCommandUpdateengine() {
        local FORCED=no
        local CHECKONLY=no
        if [ "$1" = "--force" ]; then
                FORCED=yes
        fi

        if [ ! -e $SDTD_BASE/steamcmd ]; then
                mkdir $SDTD_BASE/steamcmd
                cd /tmp
                wget http://media.steampowered.com/installer/steamcmd_linux.tar.gz
                tar -xvzf steamcmd_linux.tar.gz -C $SDTD_BASE/steamcmd
                cd $SDTD_BASE/steamcmd
                ./steamcmd.sh +quit
        fi

        if [ "$1" = "--check" -o "$2" = "--check" ]; then
                local LOCAL=$(getLocalEngineVersion)
                local REMOTE=$(getRemoteEngineVersion)
                if [ $REMOTE -gt $LOCAL ]; then
                        echo "Newer engine version available."
                else
                        echo "Engine up to date."
                fi
                echo "Local buildid:     $LOCAL"
                echo "Available buildid: $REMOTE"
                return
        fi

        for I in $(getInstanceList); do
                if [ $(isRunning $I) -eq 1 ]; then
                        echo "At least one instance is still running (\"$I\")."
                        echo "Before updating the engine please stop all instances!"
                        return
                fi
        done

        local LOCAL=$(getLocalEngineVersion)
        local REMOTE=$(getRemoteEngineVersion)

        if [ "$FORCED" = "yes" -o $REMOTE -gt $LOCAL ]; then
                echo "A newer version of the engine is available."
                echo "Local buildid:     $LOCAL"
                echo "Available buildid: $REMOTE"
                echo
                
                while : ; do
                        local CONTINUE
                        read -p "Continue? (yn) " CONTINUE
                        case $CONTINUE in
                                y)
                                        echo "Updating..."
                                        break
                                        ;;
                                n)
                                        echo "Canceled"
                                        return
                                        ;;
                                *)
                                        echo "Wrong input"
                        esac
                done

                cd $SDTD_BASE/steamcmd
                ./steamcmd.sh +@sSteamCmdForcePlatformType windows +login $STEAM_USER $STEAM_PASS +force_install_dir $SDTD_BASE/engine "+app_update 294420" validate +quit

                cp $SDTD_BASE/linux_files/engine/* $SDTD_BASE/engine/ -R
                cp $SDTD_BASE/engine/Install/32bit/SteamworksManaged.dll $SDTD_BASE/engine/7DaysToDie_Data/Managed/

                chown $SDTD_USER.$SDTD_GROUP -R $SDTD_BASE/engine
        else
                echo "Engine is already at the newest build (local: $LOCAL, remote: $REMOTE)."
        fi
}

sdtdCommandUpdateengineHelp() {
        echo "Usage: $(basename $0) updateengine [--force | --check]"
        echo
        echo "Check for a newer version of engine (aka game) files of 7dtd. If there is a newer"
        echo "version they can be updated by this command."
        echo
        echo "If --force is specified you are asked if you want to redownload the engine"
        echo "even if there is no new version available."
        echo
        echo "If --check is specified it will only output the current local and remote build ids"
        echo "and if an update is available."
}

sdtdCommandUpdateengineDescription() {
        echo "Update the 7dtd engine files"
}

sdtdCommandUpdateengineExpects() {
        case $1 in
                2)
                        echo "--force --check"
                        ;;
        esac
}