Create my_download_nasm.bat

my_download_nasm.bat

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+REM ORIGINAL AT https://github.com/ShiftMediaProject/VSNASM/blob/master/install_script.bat
+
+@echo OFF
+setlocal
+
+REM Defined cript variables
+set NASMDL=http://www.nasm.us/pub/nasm/releasebuilds
+set NASMVERSION=2.16.01
+
+REM Store current directory and ensure working directory is the location of current .bat
+set CALLDIR=%CD%
+set SCRIPTDIR=%~dp0
+set SCRIPTDIR=C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC
+
+REM Download the latest nasm binary for windows
+if exist "%SCRIPTDIR%\nasm_%NASMVERSION%.zip" (
+    echo Using existing NASM binary...
+    goto InstallNASM
+)
+echo Checking for existing NASM in NASMPATH...
+%NASMPATH%\nasm.exe -v >nul 2>&1
+if ERRORLEVEL 0 (
+    echo Using existing NASM binary from %NASMPATH%...
+    goto SkipInstallNASM
+)
+set NASMDOWNLOAD=%NASMDL%/%NASMVERSION%/win%SYSARCH%/nasm-%NASMVERSION%-win%SYSARCH%.zip
+echo Downloading required NASM release binary...
+powershell.exe -Command "(New-Object Net.WebClient).DownloadFile('%NASMDOWNLOAD%', '%SCRIPTDIR%\nasm_%NASMVERSION%.zip')" >nul 2>&1
+if not exist "%SCRIPTDIR%\nasm_%NASMVERSION%.zip" (
+    echo Error: Failed to download required NASM binary!
+    echo    The following link could not be resolved "%NASMDOWNLOAD%"
+    goto Terminate
+)
+
+:InstallNASM
+powershell.exe -Command Add-Type -A 'System.IO.Compression.FileSystem'; [IO.Compression.ZipFile]::ExtractToDirectory('"%SCRIPTDIR%\nasm_%NASMVERSION%.zip"', '"%SCRIPTDIR%\TempNASMUnpack"') >nul 2>&1
+if not exist "%SCRIPTDIR%\TempNASMUnpack" (
+    echo Error: Failed to unpack NASM download!
+    del /F /Q "%SCRIPTDIR%\nasm_.zip" >nul 2>&1
+    goto Terminate
+)
+
+REM copy nasm executable to VC installation folder
+echo Installing required NASM release binary...
+del /F /Q "%VCINSTALLDIR%\nasm.exe" >nul 2>&1
+copy /B /Y /V "%SCRIPTDIR%\TempNASMUnpack\nasm-%NASMVERSION%\nasm.exe" "%VCINSTALLDIR%" >nul 2>&1
+if %ERRORLEVEL% neq 0 (
+    echo Error: Failed to install NASM binary!
+    echo    Ensure that this script is run in a shell with the necessary write privileges
+    rd /S /Q "%SCRIPTDIR%\TempNASMUnpack" >nul 2>&1
+    goto Terminate
+)
+rd /S /Q "%SCRIPTDIR%\TempNASMUnpack" >nul 2>&1
+:SkipInstallNASM
+echo Finished Successfully