release-engineering: package (during build) and upload GPO templates (#18841)

I've been doing this manually. It is time for me to do it not-manually.

(cherry picked from commit 21f31793263d411c17ae676855f431b357211b64)
Service-Card-Id: PVTI_lADOAF3p4s4AmhmQzgZwVgk
Service-Version: 1.22

build/pipelines/templates-v2/job-merge-msix-into-bundle.yml

@@ -147,6 +147,10 @@ jobs:
         ValidateSignature: true
         Verbosity: 'Verbose'
 
+  - pwsh: |-
+      tar -c -v --format=zip -f "$(JobOutputDirectory)/GroupPolicyTemplates_$(XES_APPXMANIFESTVERSION).zip" -C "$(Build.SourcesDirectory)/policies" *
+    displayName: Package GPO Templates
+
   - ${{ parameters.afterBuildSteps }}
 
   - ${{ if eq(parameters.publishArtifacts, true) }}:

tools/ReleaseEngineering/Draft-TerminalReleases.ps1

@@ -30,6 +30,7 @@ Enum AssetType {
 	Unknown
 	ApplicationBundle
 	PreinstallKit
+	GroupPolicy
 	Zip
 }
 
@@ -83,6 +84,9 @@ Class Asset {
 			$local:bundlePath = Join-Path $local:directory $local:bundleName
 			$this.Type = [AssetType]::PreinstallKit
 			$this.Architecture = "all"
+		} ElseIf (".zip" -eq $local:ext -and $local:filename -like 'GroupPolicy*') {
+			$this.Type = [AssetType]::GroupPolicy
+			$this.Architecture = "all"
 		} ElseIf (".zip" -eq $local:ext) {
 			$this.Type = [AssetType]::Zip
 		} ElseIf (".msixbundle" -eq $local:ext) {
@@ -90,7 +94,7 @@ Class Asset {
 			$this.Architecture = "all"
 		}
 
-		If ($this.Type -Ne [AssetType]::Zip) {
+		If ($this.Type -In ([AssetType]::ApplicationBundle, [AssetType]::PreinstallKit)) {
 			Write-Verbose "Cracking bundle $($local:bundlePath)"
 			$local:firstMsixName = & $script:tar -t -f $local:bundlePath |
 				Select-String 'Cascadia.*\.msix' |
@@ -105,8 +109,10 @@ Class Asset {
 			$local:Manifest = [xml](Get-Content (Join-Path $local:directory AppxManifest.xml))
 			$this.ParseManifest($local:Manifest)
 		} Else {
-			& $script:tar -x -f $this.Path -C $local:directory --strip-components=1 '*/wt.exe'
+			If ($this.Type -Ne [AssetType]::GroupPolicy) {
-			$this.ExpandedVersion = (Get-Item (Join-Path $local:directory wt.exe)).VersionInfo.ProductVersion
+				& $script:tar -x -f $this.Path -C $local:directory --strip-components=1 '*/wt.exe'
+				$this.ExpandedVersion = (Get-Item (Join-Path $local:directory wt.exe)).VersionInfo.ProductVersion
+			}
 
 			# Zip files just encode everything in their filename. Not great, but workable.
 			$this.ParseFilename($local:filename)
@@ -133,7 +139,9 @@ Class Asset {
 		$parts = [IO.Path]::GetFileNameWithoutExtension($filename).Split("_")
 		$this.Name = $parts[0]
 		$this.Version = $parts[1]
-		$this.Architecture = $parts[2]
+		If ($parts.Length -Ge 3) {
+			$this.Architecture = $parts[2]
+		}
 	}
 
 	[string]IdealFilename() {
@@ -149,6 +157,9 @@ Class Asset {
 			Zip {
 				"{0}_{1}_{2}.zip" -f ($this.Name, $this.Version, $this.Architecture)
 			}
+			GroupPolicy {
+				"{0}_{1}.zip" -f ($this.Name, $this.Version)
+			}
 			Default {
 				Throw "Unknown type $($_.Type)"
 			}
@@ -174,7 +185,7 @@ class Release {
 
 	Release([Asset[]]$a) {
 		$this.Assets = $a
-		$this.Branding = $a[0].Branding
+		$this.Branding = $a | Where-Object Branding -Ne ([Branding]::Unknown) | Select -Unique -First 1 -Expand Branding
 		$this.Name = Switch($this.Branding) {
 			Release { "Windows Terminal" }
 			Preview { "Windows Terminal Preview" }