Install or Update Go on Windows

Update-Golang.ps1

function Get-LatestRelease() {
    $response = Invoke-WebRequest "https://go.dev/dl/?mode=json"
    $results = ConvertFrom-JSON $response
    $latest = $results[0]

    $arch = "amd64"

    if ($env:PROCESSOR_ARCHITECTURE -eq "ARM64") {
        $arch = "arm64"
    }

    foreach ($file in $latest.files) {
        if ($file.os -eq "windows" -and $file.arch -eq $arch -and $file.kind -eq "archive") {
            return $file
        }
    }

    return $null
}

function Get-CurrentVersion() {
    try {
        $versionOut = go.exe version
        $currentVersion = ($versionOut -split " ")[2]
        return $currentVersion
    } catch {
        return "go0.0.0"
    }
}


$latestRelease = Get-LatestRelease
if ($null -eq $latestRelease) {
    Write-Error "No release found!"
    return
}

$currentVersion = Get-CurrentVersion
if ($currentVersion -eq $latestRelease.version) {
    Write-Host "Go $($latestRelease.version) installed is latest"
    return
}

Write-Host "Updating go to version $($latestRelease.version)"

New-Item -Path "C:\go\$($latestRelease.version)_temp" -ItemType Directory | Out-Null
$downloadFilePath = "C:\go\$($latestRelease.version)_temp\go.zip"
$downloaderURL = "https://dl.google.com/go/$($latestRelease.filename)"
Write-Host "Downloading $downloaderURL to $downloadFilePath..."
Invoke-WebRequest -Uri $downloaderURL -OutFile $downloadFilePath

$fileHash = $(Get-FileHash -Path $downloadFilePath -Algorithm SHA256).Hash.ToLower()
if ($fileHash -ne $latestRelease.sha256) {
    Write-Error "Checksum validation failed!"
    return
}

Expand-Archive -Path $downloadFilePath -DestinationPath "C:\go\$($latestRelease.version)_temp"
Move-Item -Path "C:\go\$($latestRelease.version)_temp\go" -Destination "C:\go\$($latestRelease.version)"
Remove-Item -Path "C:\go\$($latestRelease.version)_temp" -Recurse
Remove-Item -Path "C:\go\current" -ErrorAction SilentlyContinue
New-Item -ItemType SymbolicLink -Path "C:\go\current" -Value "C:\go\$($latestRelease.version)" | Out-Null

go.exe version

Update-Nodejs.ps1

function Get-LatestRelease() {
    $response = Invoke-WebRequest "https://api.github.com/repos/nodejs/node/releases"
    $releases = ConvertFrom-JSON $response

    $latest_release = $null

    foreach ($release in $releases) {
        if ($release.name.Contains('(Current)')) {
            $latest_release = $release
            break
        }
    }

    return $latest_release
}


$release = Get-LatestRelease
if ($null -eq $release) {
    Write-Error "No release found!"
    return
}

$current_version = node.exe --version
if ($release.tag_name -eq $current_version) {
    Write-Host "No update available"
    return
}

$downloaderURL = "https://nodejs.org/dist/$($release.tag_name)/node-$($release.tag_name)-x64.msi"
$downloadPath = "$($env:TEMP)\node-$($release.tag_name)-x64.msi"
Write-Host "Downloading $($downloaderURL) to $($downloadPath)..."
Invoke-WebRequest -Uri $downloaderURL -OutFile $downloadPath
$msiexecArguments = "/i",$downloadPath,"/passive"
Write-Host "Running: msiexec.exe $($msiexecArguments)"
Start-Process msiexec.exe -Wait -Verb RunAs -ArgumentList $msiexecArguments
Remove-Item $downloadPath