A work in progress Batch file to automate downloading & installing Visual Studio Code, the IIS Express VS Code extension & IISExpress itself if its not installed already

iisexpress-vscode-install.bat

ECHO OFF

rem Check if VS Code is installed - Checks if its in the path
rem Not 100% sure best way as think installer allows yout to NOT put it in the %PATH%
CALL where /q code
IF ERRORLEVEL 1 (
    ECHO Visual Studio Code is not installed.
    ECHO Downloading installer from https://vscode-update.azurewebsites.net/latest/win32/stable

    rem Download the file & name it VSCodeSetup.exe relative to this running batch file
    CALL powershell -Command "(New-Object Net.WebClient).DownloadFile('https://vscode-update.azurewebsites.net/latest/win32/stable', 'VSCodeSetup.exe')"

    rem Run the installer & ensure it does not launch after install
    rem https://github.com/Microsoft/vscode/issues/860
    rem CALL VSCodeSetup.exe /verysilent
    CALL VSCodeSetup.exe /silent /mergetasks=!runcode
)

rem Install the IIS Express VS Code extension
CALL code --install-extension warren-buckley.iis-express
ECHO %ERRORLEVEL%

IF ERRORLEVEL 1 (
    ECHO Already have IIS Express extension installed - use VSCode to upgrade extension
)


rem Checks what OS type we are running - need to know for the IISExpress Installer we download
rem http://stackoverflow.com/questions/12322308/batch-file-to-check-64bit-or-32bit-os
reg Query "HKLM\Hardware\Description\System\CentralProcessor\0" | find /i "x86" > NUL && SET OS=32BIT || SET OS=64BIT

IF %OS%==32BIT (
    ECHO This is a 32bit operating system
    SET IISEXPATH="%ProgramFiles(x86)%\IIS Express\iisexpress.exe"

)

IF %OS%==64BIT (
    ECHO This is a 64bit operating system
    SET IISEXPATH="%ProgramFiles%\IIS Express\iisexpress.exe"
)

rem Check for IISExpress is installed
ECHO The path to IISExpress we use to check if it exists and is installed is '%IISEXPATH%'

rem Execute the IISExpress.exe with the help /? argument switch (To determine if it exists)
%IISEXPATH% /?
ECHO %ERRORLEVEL%

IF ERRORLEVEL 9009 (
    rem 9009 Seems to be file not found error
    rem Download IIS Express installer
    IF %OS%==64BIT (
        ECHO Downloading 64Bit IIS Express installer from 'https://download.microsoft.com/download/C/E/8/CE8D18F5-D4C0-45B5-B531-ADECD637A1AA/iisexpress_amd64_en-US.msi'
            
        rem Download the file & name it IISExpressSetup.msi relative to this running batch file
        CALL powershell -Command "(New-Object Net.WebClient).DownloadFile('https://download.microsoft.com/download/C/E/8/CE8D18F5-D4C0-45B5-B531-ADECD637A1AA/iisexpress_amd64_en-US.msi', 'IISExpressSetup.msi')"
    )

    IF %OS%==32BIT (
        ECHO Downloading 64Bit IIS Express installer from 'https://download.microsoft.com/download/C/E/8/CE8D18F5-D4C0-45B5-B531-ADECD637A1AA/iisexpress_x86_en-US.msi'
            
        rem Download the file & name it IISExpressSetup.msi relative to this running batch file
        CALL powershell -Command "(New-Object Net.WebClient).DownloadFile('https://download.microsoft.com/download/C/E/8/CE8D18F5-D4C0-45B5-B531-ADECD637A1AA/iisexpress_x86_en-US.msi', 'IISExpressSetup.msi')"
    )

    rem Run the installer for IIS Express /passive (Just shows the progress bar)
    CALL IISExpressSetup.msi /passive
)