Update-VSCode.ps1

if (-not(Test-Path ~/Downloads/VSCode -PathType Container)) {
    Write-Warning 'Folder ~/Downloads/VSCode not found'
    break
}

if (Test-Path ~/Downloads/VSCode/VSCode-win32-stable.zip) {
    Write-Warning -Message 'Zip file found in ~/Downloads/VSCode/'
    break
}
    
# version in prod
$localver = (Get-Item -Path 'C:\Program Files (x86)\Microsoft VS Code\Code.exe' -ErrorAction SilentlyContinue).VersionInfo.FileVersion
Write-Verbose -Message "Local version in program files $($localver) detected" -Verbose
    
# new online version
$uri = 'https://vscode-update.azurewebsites.net/latest/win32-archive/stable'
$onlineloc = (Invoke-WebRequest -Uri $uri -MaximumRedirection 0 -ErrorAction SilentlyContinue -UseBasicParsing).Headers.Location
Write-Verbose -Message "Online location found at $($onlineloc)" -Verbose

$onlinever =([regex]'VSCode-win32-(ia32-)?(?<Version>(\d{1,}\.){1,3}\d{1,})\.zip').Matches(
    ([uri]$onlineloc).Segments[-1]
).Groups[-1].Value

if ([version]$localver -eq [version]$onlinever) {
    Write-Verbose -Message "Already up-to-date: $($localver)" -Verbose
    break
} else {
    Write-Verbose -Message "You need to update your local version $($localver) to $($onlinever)" -Verbose
}

Write-Verbose "About to download online version $($onlinever)" -Verbose
Invoke-WebRequest -Uri $onlineloc -OutFile ~/Downloads/VSCode/VSCode-win32-stable.zip

if (Test-Path ~/Downloads/VSCode/VSCode-win32-stable.zip) {

    # rename folder
    if (Test-Path ~/Downloads/VSCode/VSCode-win32-stable) {
        Rename-Item -Path ~/Downloads/VSCode/VSCode-win32-stable -NewName ('VSCode-win32-stable-{0}' -f (
            dir "~/Downloads/VSCode/VSCode-win32-stable/Code.exe").VersionInfo.FileVersion
        ) -Verbose
    }
    
    # expand zip
    Expand-Archive -Path ~/Downloads/VSCode/VSCode-win32-stable.zip -DestinationPath ~/Downloads/VSCode/VSCode-win32-stable  -Force

    # new version?
    (Get-Item -Path '~/Downloads/VSCode/VSCode-win32-stable/Code.exe').VersionInfo | 
    Select FileVersion,ProductVersion

    # signed?
    dir '~\Downloads\VSCode\VSCode-win32-stable\*' -Include *.exe,*.dll -Recurse -Force -ErrorAction SilentlyContinue| 
    Get-AuthenticodeSignature

    # push to prod
    & (gcm "$($env:systemroot)\system32\robocopy.exe")  @(
        "$($env:userprofile)\Downloads\VSCode\VSCode-win32-stable",
        'C:\Program Files (x86)\Microsoft VS Code','/R:0','/Z','/S','/PURGE','/NP'
    )

    # ren zip
    Rename-Item -Path ~/Downloads\VSCode\VSCode-win32-stable.zip -NewName ('VSCode-win32-stable-{0}.zip' -f (
        dir "~/Downloads/VSCode/VSCode-win32-stable/code.exe").VersionInfo.FileVersion
    ) -Verbose
}

# enjoy!
& 'C:\Program Files (x86)\Microsoft VS Code\Code.exe'