@echo off
cls

REM 1) Umgebungsvariablen (Beispiele!) - Environment Variables (examples!)
REM Bereitstellungsverzeichnis - provisioning source
set "DEPLOY=V:\gisdept\"
REM Installationsverzeichnis - install directory
set "OSGEO4W_ROOT=C:\gisdept\OSGeo4W64"

REM QGIS Version, Text for the desktop shortcut. Change for new versions
set "qgis_version=3.10.7"
set "qgis_lnk=QGIS 3.10 LTR"

REM optional: passende Prozessorarchitektur (64 bit) vorhanden? - check for architecture
reg Query "HKLM\Hardware\Description\System\CentralProcessor\0" | find /i "x86" > NUL && set bit=32BIT || set bit=64BIT
if %bit%==64BIT goto INSTALL
if %bit%==32BIT 
REM sorry, no QGIS 32 bit provided msg
echo QGIS %qgis_version% LTR (32 bit) ist nicht verfügbar, bitte wenden Sie sich an die GIS Abteilung.
pause
goto END

:INSTALL
REM 2) kopieren des vorbereiteten QGIS-Programmpaketes - copy the prepared QGIS folder
xcopy "%DEPLOY%\qgisltrZentral" "%OSGEO4W_ROOT%" /e /i /y

REM 3) Anpassung an den neuen, lokalen Installationsort - adapt to the new local install dir (in \bin\qgis-ltr-bin-g7.env & \qgis-ltr-bin.env)
call "%OSGEO4W_ROOT%\bin\qgis-ltr-grass7.bat" --postinstall
call "%OSGEO4W_ROOT%\bin\qgis-ltr.bat" --postinstall

REM Create file and icon associations (Admin Privileges required!)
start /wait %WINDIR%\regedit /s "%OSGEO4W_ROOT%\apps\qgis-ltr\bin\qgis.reg"

REM Create shortcut on desktop for all users (PUBLIC)
%OSGEO4W_ROOT%\bin\nircmd.exe elevatecmd shortcut "%OSGEO4W_ROOT%\bin\qgis-ltr-grass7.bat" "~$folder.common_desktop$" "%qgis_lnk% " "" "%OSGEO4W_ROOT%\apps\qgis-ltr\icons\qgis.ico" "" "" "%OSGEO4W_ROOT%\bin"

REM if executed with only simple user privileges: place prepared shortcut on users desktop
if not exist "%PUBLIC%\Desktop\%qgis_lnk%.lnk" (
   copy /y "%OSGEO4W_ROOT%\startQGISltr.lnk" "%USERPROFILE%\Desktop\%qgis_lnk%.lnk"
)
goto END

:END
exit /b