Paper + Kotlin server loader script (batch and bash)

start 1.8.bat

:: This version is for 1.8.8
:: If you're using a modern version of paper, use the other scripts
:: Changes: 
::    patched_%mc_ver%.jar -> patched.jar
::    paper main class changed to com.destroystokyo.paperclip.Paperclip

@echo off
setlocal enabledelayedexpansion
:: Paper + Kotlin loader by Danny

:::::::: Configure me ::::::::
set mc_ver=1.8.8
set paper_jar=paper.jar
set kotlin_jar=kotlin-stdlib.jar
set jvm_args=-Xms3G -Xmx5G -Xverify:none
::::::::::::::::::::::::::::::

::::::: Don't touch me :::::::
set cb_jar=cache/patched.jar
set paper_main=com.destroystokyo.paperclip.Paperclip
set classpath=%cb_jar%;%paper_jar%;%kotlin_jar%
::::::::::::::::::::::::::::::

:: Error checking (don't touch)
call :checkFile %paper_jar% Paper
if /I "%ERRORLEVEL%" neq "0" exit /B 1
call :checkFile %kotlin_jar% Kotlin
if /I "%ERRORLEVEL%" neq "0" exit /B 1
call :checkFile %cb_jar% Spigot
if /I "%ERRORLEVEL%" neq "0" exit /B 1

echo Starting Paper %mc_ver% with Kotlin
java %jvm_args% -cp %classpath% %paper_main% nogui
exit /B 0

:: Check if a file exists
::  %~1 = path to file
::  %~2 = display name for easier reading
:checkFile
    if not exist %~1 (
        echo Missing %~2 jar ^(set to %~1^)
        echo Please fix this by adjusting the variable in this script
        exit /B 1
    )
exit /B

start.bat

@echo off
setlocal enabledelayedexpansion
:: Paper + Kotlin loader by Danny

:::::::: Configure me ::::::::
set mc_ver=1.15.2
set paper_jar=paper.jar
set kotlin_jar=kotlin-stdlib.jar
set jvm_args=-Xms3G -Xmx5G -Xverify:none
::::::::::::::::::::::::::::::

::::::: Don't touch me :::::::
set cb_jar=cache/patched_%mc_ver%.jar
set paper_main=io.papermc.paperclip.Paperclip
set classpath=%cb_jar%;%paper_jar%;%kotlin_jar%
::::::::::::::::::::::::::::::

:: Error checking (don't touch)
call :checkFile %paper_jar% Paper
if /I "%ERRORLEVEL%" neq "0" exit /B 1
call :checkFile %kotlin_jar% Kotlin
if /I "%ERRORLEVEL%" neq "0" exit /B 1
call :checkFile %cb_jar% Spigot
if /I "%ERRORLEVEL%" neq "0" exit /B 1

echo Starting Paper %mc_ver% with Kotlin
java %jvm_args% -cp %classpath% %paper_main% nogui
exit /B 0

:: Check if a file exists
::  %~1 = path to file
::  %~2 = display name for easier reading
:checkFile
    if not exist %~1 (
        echo Missing %~2 jar ^(set to %~1^)
        echo Please fix this by adjusting the variable in this script
        exit /B 1
    )
exit /B

start.sh

#!/bin/bash
#Paper + Kotlin loader by Danny

#### Configure me: ####
mc_ver="1.15.2"
paper_jar="paper.jar"
kotlin_jar="kotlin-stdlib.jar"
jvm_args="-Xms3G -Xmx5G -Xverify:none"
#### Put variables here ####

#### Don't touch these unless you NEED to ####
cb_jar="cache/patched_${mc_ver}.jar"
paper_main="io.papermc.paperclip.Paperclip"
classpath="${cb_jar}:${paper_jar}:${kotlin_jar}"
##############################################

#Error checking (don't touch)

#checks if the jar exists
# $1 = path to file
# $2 = display name for easier reading
function checkFile {
    if [ ! -f "${1}" ]; then
        echo -e "\033[31mMissing ${2} jar (set to \033[00m${1}\033[31m)"
        echo -e "Please fix this by adjusting the variable in \033[00m${0}"
        exit 1
    fi
}

checkFile ${paper_jar} "Paper"
checkFile ${kotlin_jar} "Kotlin Standard Library"
checkFile ${cb_jar} "Patched spigot"

#Start the server:
echo -e "\033[32mStarting Paper \033[33m${mc_ver}\033[32m with \033[35mKotlin\033[00m"
java ${jvm_args} -cp ${classpath} ${paper_main} nogui