winutil/functions/private/Get-WinUtilWingetPrerequisites.ps1

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function Get-WinUtilWingetPrerequisites {
<#
.SYNOPSIS
Downloads the Winget Prereqs.
.DESCRIPTION
Downloads Prereqs for Winget. Version numbers are coded as variables and can be updated as uncommonly as Microsoft updates the prereqs.
#>
# I don't know of a way to detect the prereqs automatically, so if someone has a better way of defining these, that would be great.
# Microsoft.VCLibs version rarely changes, but for future compatibility I made it a variable.
$versionVCLibs = "14.00"
$fileVCLibs = "https://aka.ms/Microsoft.VCLibs.x64.${versionVCLibs}.Desktop.appx"
# Write-Host "$fileVCLibs"
# Microsoft.UI.Xaml version changed recently, so I made the version numbers variables.
$versionUIXamlMinor = "2.8"
$versionUIXamlPatch = "2.8.6"
$fileUIXaml = "https://github.com/microsoft/microsoft-ui-xaml/releases/download/v${versionUIXamlPatch}/Microsoft.UI.Xaml.${versionUIXamlMinor}.x64.appx"
# Write-Host "$fileUIXaml"
Try{
Write-Host "Downloading Microsoft.VCLibs Dependency..."
Invoke-WebRequest -Uri $fileVCLibs -OutFile $ENV:TEMP\Microsoft.VCLibs.x64.Desktop.appx
Write-Host "Downloading Microsoft.UI.Xaml Dependency...`n"
Invoke-WebRequest -Uri $fileUIXaml -OutFile $ENV:TEMP\Microsoft.UI.Xaml.x64.appx
}
Catch{
throw [WingetFailedInstall]::new('Failed to install prerequsites')
}
}