Batch script for automatic update of Courseplay (https://github.com/Courseplay/courseplay)

cpupdate.bat

rem This script updates the mod "Courseplay" for Farming Simulator 17
rem Copy this file to a folder of your choice and run in from time to time.
rem
rem Backups will be stored as ZIP files in a subfolder .\cpbackup
rem
rem Git for Windows and 7-Zip have to be installed and in reside your PATH!
rem For help with setting a program to your path, have a look @ http://www.computerhope.com/issues/ch000549.htm
rem
rem Have fun!
rem
rem (c) 2016 M. Busche, elpatron@mailbox.org
@echo off
rem git.exe startable?
echo Courseplay Beta Updatescript
echo (c) 2016 elpatron@mailbox.org
echo .
echo Checking for Git...
git > NUL
if not errorlevel 1 goto fehlergit
echo Git is ok.
rem 7-Zip startable?
echo Checking for 7-Zip...
7z > NUL
if not errorlevel 0 goto fehler7z
echo 7-Zip is ok.
echo .

rem Setting `Documents` folder
for /f "skip=2 tokens=2*" %%A in ('reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" /v "Personal"') do set "UserDocs=%%B"
rem Setting Courseplay mod folder
set destination=%UserDocs%\my games\FarmingSimulator2017\mods\ZZZ_courseplay
echo Your Courseplay mod folder: %destination%
rem Backup-Ordner
set backup=.\cpbackup

if exist "%destination%\moddesc.xml" (
	echo Your currently installed  Version:
	find "<version>" "%destination%\modDesc.xml" > "./cpversion.txt"
	for /f "delims=" %%x in (./cpversion.txt) do set version=%%x
	echo "%version%"
	del "./cpversion.txt" > NUL
	set freshinstall=0
	) else (
	set freshinstall=1
	set version="0"
)

rem Delete old checkout
echo Deleting temporary folder...
rd /s/q .\courseplay 2> NUL
rem Git clone
echo Cloning into https://github.com/Courseplay/courseplay.git
git clone --depth=1 https://github.com/Courseplay/courseplay.git > NUL
echo Version from fresh clone:
find "<version>" ".\courseplay\modDesc.xml" > "./cpversion.txt"
for /f "delims=" %%x in (./cpversion.txt) do set newversion=%%x
echo "%newversion%"
del "./cpversion.txt"

rem Do we have an update?
if "%newversion%"=="%version%" (
	echo No update found, exiting.
	rd /s/q .\courseplay 2> NUL
	goto ende
	) else (
	echo We have found an update.
)

rem Backup current version
if %freshinstall%==0 (
	echo Creating a backup of your current Courseplay...
	mkdir %backup% 2> NUL
	for /f "tokens=2 delims==" %%I in ('wmic os get localdatetime /format:list') do set datetime=%%I
	set datetime=%datetime:~0,8%-%datetime:~8,6%
	7z a -r "%backup%\courseplay_backup-%datetime%.zip" "%destination%\*"
	) else (
	echo No former version found - this seems to be a fresh install. Creating new mod directory for Courseplay...
	md "%destination%" > NUL
	set freshinstall=1
)

rem Copy clone to mod folder
echo Copying the update to your mod folder...
XCOPY  /S /E /H /Y /C "courseplay\*.*" "%destination%" 
rem  Couseplay Git checkout wieder löschen
echo Deleting temporory folder...
rd /s/q .\courseplay 2> NUL
echo Update successfully applied.
if not %freshinstall% == 1 (
	echo If you consider any problems, check your backup file: "%backup%\courseplay_backup-%datetime%.zip"
	)
	
goto ende

:fehlergit
echo Git for Windows has to be installed and in PATH!
echo Download: https://git-scm.com/download/win
goto ende

:fehler7z
echo 7-Zip has to be installed and in PATH!
echo Download: http://www.7-zip.org/download.html
goto ende

:ende
echo .
echo Thanks for using me.