winutil/functions/private/Get-WinUtilWingetLatest.ps1

function Get-WinUtilWingetLatest {
    <#
    .SYNOPSIS
        Uses GitHub API to check for the latest release of Winget.
    .DESCRIPTION
        This function grabs the latest version of Winget and returns the download path to Install-WinUtilWinget for installation.
    #>
    # Invoke-WebRequest is notoriously slow when the byte progress is displayed. The following lines disable the progress bar and reset them at the end of the function
    $PreviousProgressPreference = $ProgressPreference
    $ProgressPreference = "silentlyContinue"
    try {
        # Grabs the latest release of Winget from the Github API for the install process.
        $response = Invoke-RestMethod -Uri "https://api.github.com/repos/microsoft/Winget-cli/releases/latest" -Method Get -ErrorAction Stop
        $latestVersion = $response.tag_name #Stores version number of latest release.
        $licenseWingetUrl = $response.assets.browser_download_url | Where-Object {$_ -like "*License1.xml"} #Index value for License file.
        Write-Host "Latest Version:`t$($latestVersion)`n"
        Write-Host "Downloading..."
        $assetUrl = $response.assets.browser_download_url | Where-Object {$_ -like "*Microsoft.DesktopAppInstaller_8wekyb3d8bbwe.msixbundle"}
        Invoke-WebRequest -Uri $licenseWingetUrl -OutFile $ENV:TEMP\License1.xml
        # The only pain is that the msixbundle for winget-cli is 246MB. In some situations this can take a bit, with slower connections.
        Invoke-WebRequest -Uri $assetUrl -OutFile $ENV:TEMP\Microsoft.DesktopAppInstaller.msixbundle
    } catch {
        throw [WingetFailedInstall]::new('Failed to get latest Winget release and license')
    }
    $ProgressPreference = $PreviousProgressPreference
}