Gmod server

#!/bin/bash
# Garry's Mod
# Server Management Script
# Author: Daniel Gibbs
# Website: https://gameservermanagers.com
if [ -f ".dev-debug" ]; then
    exec 5>dev-debug.log
    BASH_XTRACEFD="5"
    set -x
fi

version="210516"

#### Variables ####

# Notification Alerts
# (on|off)

# Email
emailalert="off"
email="email@example.com"

# Pushbullet
# https://www.pushbullet.com/#settings
pushbulletalert="off"
pushbullettoken="accesstoken"

# Steam login
steamuser="anonymous"
steampass=""

# Steam App Branch Select
# Allows to opt into the various Steam app branches. Default branch is "".
# Example: "-beta prerelease "
branch=""

# Workshop Variables
# http://wiki.garrysmod.com/page/Workshop_for_Dedicated_Servers
workshopauth="9946949063BB6DC5590057CEFB8C1CFD"
workshopcollectionid="145048780"

# Start Variables
defaultmap="rp_rockford_french_v3b"
gamemode="darkrp"
maxplayers="120"
port="27015"
sourcetvport="27020"
clientport="27005"
tickrate="66"
ip="0.0.0.0"
updateonstart="off"

# Custom Start Parameters
# Default +r_hunkalloclightmaps 0, fixes a start issue on maps with many lights
customparms="+r_hunkalloclightmaps 0"

# Optional: Game Server Login Token
# GSLT can be used for running a public server.
# More info: https://gameservermanagers.com/gslt
gslt=""

# https://developer.valvesoftware.com/wiki/Command_Line_Options#Source_Dedicated_Server
fn_parms(){
parms="-game garrysmod -strictportbind -ip ${ip} -port ${port} -tickrate ${tickrate} +host_workshop_collection ${workshopcollectionid} -authkey ${workshopauth} +clientport ${clientport} +tv_port ${sourcetvport} +gamemode ${gamemode} +map ${defaultmap} +sv_setsteamaccount ${gslt} +servercfgfile ${servercfg} -maxplayers ${maxplayers} ${customparms}"
}

#### Advanced Variables ####

# Github Branch Select
# Allows for the use of different function files
# from a different repo and/or branch.
githubuser="GameServerManagers"
githubrepo="LinuxGSM"
githubbranch="master"

# Steam
appid="4020"

# Server Details
servicename="gmod-server"
gamename="Garry's Mod"
engine="source"

# Directories
rootdir="$(dirname $(readlink -f "${BASH_SOURCE[0]}"))"
selfname="$(basename $(readlink -f "${BASH_SOURCE[0]}"))"
lockselfname=".${servicename}.lock"
lgsmdir="${rootdir}/lgsm"
functionsdir="${lgsmdir}/functions"
libdir="${lgsmdir}/lib"
filesdir="${rootdir}/serverfiles"
systemdir="${filesdir}/garrysmod"
addonsdir="${systemdir}/addons"
executabledir="${filesdir}"
executable="./srcds_run"
servercfg="${servicename}.cfg"
servercfgdir="${systemdir}/cfg"
servercfgfullpath="${servercfgdir}/${servercfg}"
servercfgdefault="${servercfgdir}/lgsm-default.cfg"
backupdir="${rootdir}/backups"

# Logging
logdays="7"
gamelogdir="${systemdir}/logs"
scriptlogdir="${rootdir}/log/script"
consolelogdir="${rootdir}/log/console"
consolelogging="on"

scriptlog="${scriptlogdir}/${servicename}-script.log"
consolelog="${consolelogdir}/${servicename}-console.log"
emaillog="${scriptlogdir}/${servicename}-email.log"

scriptlogdate="${scriptlogdir}/${servicename}-script-$(date '+%d-%m-%Y-%H-%M-%S').log"
consolelogdate="${consolelogdir}/${servicename}-console-$(date '+%d-%m-%Y-%H-%M-%S').log"

##### Script #####
# Do not edit

# Fetches core_dl for file downloads
fn_fetch_core_dl(){
github_file_url_dir="lgsm/functions"
github_file_url_name="${functionfile}"
filedir="${functionsdir}"
filename="${github_file_url_name}"
githuburl="https://raw.githubusercontent.com/${githubuser}/${githubrepo}/${githubbranch}/${github_file_url_dir}/${github_file_url_name}"
# If the file is missing, then download
if [ ! -f "${filedir}/${filename}" ]; then
    if [ ! -d "${filedir}" ]; then
        mkdir -p "${filedir}"
    fi
    echo -e "    fetching ${filename}...\c"
    # Check curl exists and use available path
    curlpaths="$(command -v curl 2>/dev/null) $(which curl >/dev/null 2>&1) /usr/bin/curl /bin/curl /usr/sbin/curl /sbin/curl)"
    for curlcmd in ${curlpaths}
    do
        if [ -x "${curlcmd}" ]; then
            break
        fi
    done
    # If curl exists download file
    if [ "$(basename ${curlcmd})" == "curl" ]; then
        curlfetch=$(${curlcmd} -s --fail -o "${filedir}/${filename}" "${githuburl}" 2>&1)
        if [ $? -ne 0 ]; then
            echo -e "\e[0;31mFAIL\e[0m\n"
            echo "${curlfetch}"
            echo -e "${githuburl}\n"
            exit 1
        else
            echo -e "\e[0;32mOK\e[0m"
        fi
    else
        echo -e "\e[0;31mFAIL\e[0m\n"
        echo "Curl is not installed!"
        echo -e ""
        exit 1
    fi
    chmod +x "${filedir}/${filename}"
fi
source "${filedir}/${filename}"
}

core_dl.sh(){
# Functions are defined in core_functions.sh.
functionfile="${FUNCNAME}"
fn_fetch_core_dl
}

core_functions.sh(){
# Functions are defined in core_functions.sh.
functionfile="${FUNCNAME}"
fn_fetch_core_dl
}

core_dl.sh
core_functions.sh

getopt=$1
core_getopt.sh