Add support for outputting release order of specified packages

Author: danieljurek

eng/pipelines/templates/jobs/pack.yml

@@ -97,6 +97,7 @@ jobs:
           -OutputPath '$(Build.ArtifactStagingDirectory)'
           -PackageNames $(PackageNames)
           -RequireDependencies:$$(RequireDependencies)
+          -OutBuildOrderFile '$(Build.ArtifactStagingDirectory)/release-order.json'
 
   # TODO: Ensure APIView works given a change to the crates output folder structure
   - template: /eng/common/pipelines/templates/steps/publish-1es-artifact.yml

eng/scripts/Pack-Crates.ps1

@@ -10,7 +10,8 @@ param(
   [switch]$RequireDependencies,
   [Parameter(ParameterSetName = 'PackageInfo')]
   [string]$PackageInfoDirectory,
-  [switch]$NoVerify
+  [switch]$NoVerify,
+  [string]$OutBuildOrderFile
 )
 
 $ErrorActionPreference = 'Stop'
@@ -174,21 +175,6 @@ try {
       Write-Error "Packages in -PackageNames require dependencies that are either not released or not listed for packing: $($unspecifiedPackages -join ', ')"
       exit 1
     }
-
-    $orderMatches = $true
-    for ($i = 0; $i -lt $PackageNames.Count; $i++) {
-      if ($packages[$i].name -ne $PackageNames[$i]) {
-        $orderMatches = $false
-        break
-      }
-    }
-    
-    if (!$orderMatches) {
-      Write-Host "Expected order: $($packages.name -join ', ')"
-      Write-Host "Provided order: $($PackageNames -join ', ')"
-      Write-Error "The order of packages in -PackageNames does not match the required build order."
-      exit 1
-    }
   }
 
   Write-Host "Building packages in the following order:"
@@ -198,6 +184,12 @@ try {
     Write-Host "  $packageName ($type)"
   }
 
+  if ($OutBuildOrderFile) {
+    $buildOrder = ConvertTo-Json $packages.name
+    Write-Host "Writing build order to $OutBuildOrderFile ($buildOrder)"
+    $buildOrder | Out-File -FilePath $OutBuildOrderFile -Encoding utf8 -Force
+  }
+
   foreach ($package in $packages) {
     Write-Host ""