source: scripts/usr/local/lib/7dtd/commands/updateengine.sh@ 87

#!/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)
        local LOCAL_SUPPORTED_BUILD=$(cat /usr/local/lib/7dtd/VERSION | grep "DediBuild" | cut -d\  -f2)

        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                echo "A newer version of the engine is available."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

                if [ "$LOCAL_SUPPORTED_BUILD" != "$REMOTE" ]; then
                        echo "WARNING!!! The currently installed version of the scripts do not support the newer dedicated server build!"
                        echo "If you continue you might not be able to start the server."
                        echo "Please wait for an updated release of the scripts or continue at your own risk."
                        echo
                fi
        
                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 /usr/local/lib/7dtd/server-fixes/* $SDTD_BASE/engine/7DaysToDie_Data/Managed/
                cp $SDTD_BASE/engine/Install/32bit/SteamworksManaged.dll $SDTD_BASE/engine/7DaysToDie_Data/Managed/

                chown $SDTD_USER.$SDTD_GROUP -R $SDTD_BASE/engine

                if [ "$LOCAL_SUPPORTED_BUILD" != "$REMOTE" ]; then
                        echo
                        echo "Also update the scripts as soon as there is a new release for this dedicated server build."
                        echo
                fi
        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
}