Update VCRedist and add a script to update it in the future

scripts/update-msvcredist.ps1

@@ -0,0 +1,34 @@
+$Urls = [ordered]@{ "X86" = "https://aka.ms/vs/17/release/vc_redist.x86.exe";
+                    "X64" = "https://aka.ms/vs/17/release/vc_redist.x64.exe";
+                    "ARM64" = "https://aka.ms/vs/17/release/vc_redist.arm64.exe"; }
+
+$UpgradeCodes = @{ "X86" = "65E5BD06-6392-3027-8C26-853107D3CF1A";
+                   "X64" = "36F68A90-239C-34DF-B58C-64B30153CE35";
+                   "ARM64" = "DC9BAE42-810B-423A-9E25-E4073F1C7B00"; }
+
+function Get-RedirectTarget([string]$Url) {
+    return (Invoke-WebRequest -Method Get -Uri $Url -MaximumRedirection 0 -ErrorAction SilentlyContinue).Headers.Location
+}
+
+function Print-WixForArch([string]$Arch) {
+    $targetUrl = Get-RedirectTarget $Urls[$Arch]
+
+    $file = "$env:TEMP\\vc_redist.tmp"
+    Invoke-WebRequest -Method Get -Uri $targetUrl -o $file
+
+    $targetSize = (Get-Item $file).Length
+    $targetVersion = (Get-Command $file).Version
+    $targetSha1 = (Get-FileHash -Path $file -Algorithm SHA1).Hash
+
+    Write-Output "<?define VCREDIST_VER = `"$targetVersion`" ?>"
+    Write-Output "<?define VCREDIST_$($Arch)_SIZE = `"$targetSize`" ?>"
+    Write-Output "<?define VCREDIST_$($Arch)_SHA1 = `"$targetSha1`" ?>"
+    Write-Output "<?define VCREDIST_$($Arch)_URL = `"$targetUrl`" ?>"
+    Write-Output "<?define VCREDIST_$($Arch)_UPGRADE_CODE = `"$($UpgradeCodes[$Arch])`" ?>"
+
+    Remove-Item $file 
+}
+
+foreach ($arch in $Urls.Keys) {
+    Print-WixForArch $arch
+}