Sync eng/common directory with azure-sdk-tools for PR 16726 (#27384)

* Exclude service folder root level files

* Updated comment and fixed indentation

---------

Co-authored-by: Ray Chen <raychen@microsoft.com>

Author: azure-sdk-automation[bot]

eng/common/scripts/AutoRelease-Operations.ps1

@@ -87,6 +87,8 @@ function Get-GitHubAutoReleasePullRequestForCommit {
 #   PullRequestNumber : the PR number recorded in the diff object.
 #   PullRequestFiles  : the file entries returned by Get-GitHubPullRequestFiles.
 #   ExcludePaths      : optional paths to record on the diff object.
+#   ExcludeServiceRootFiles : excludes files directly under sdk/<service> so they do not resolve every
+#                             package in that service.
 #
 # Returns a PSCustomObject with ChangedFiles, ChangedServices, ExcludePaths, DeletedFiles, PRNumber.
 function New-GitHubPullRequestDiffObject {
@@ -97,7 +99,8 @@ function New-GitHubPullRequestDiffObject {
     [AllowEmptyCollection()]
     [array] $PullRequestFiles,
     [AllowEmptyCollection()]
-    [array] $ExcludePaths = @()
+    [array] $ExcludePaths = @(),
+    [switch] $ExcludeServiceRootFiles
   )
 
   $changedFiles = @()
@@ -119,6 +122,12 @@ function New-GitHubPullRequestDiffObject {
     }
   }
 
+  if ($ExcludeServiceRootFiles) {
+    $serviceRootFilePattern = '^sdk/[^/]+/[^/]+$'
+    $changedFiles = @($changedFiles | Where-Object { $_ -notmatch $serviceRootFilePattern })
+    $deletedFiles = @($deletedFiles | Where-Object { $_ -notmatch $serviceRootFilePattern })
+  }
+
   $changedFiles = @($changedFiles | Where-Object { $_ } | Sort-Object -Unique)
   $deletedFiles = @($deletedFiles | Where-Object { $_ } | Sort-Object -Unique)
 

eng/common/scripts/Resolve-AutoReleasePackages.ps1

@@ -10,8 +10,9 @@ commit, this script:
      'auto-release' label.
   2. Builds a PR diff object (New-GitHubPullRequestDiffObject) from the PR's changed files and reuses
      the repo's existing package-detection logic (Get-PrPkgProperties) to identify the changed packages
-     (honoring triggering paths, deleted files and service-level changes), excluding
-     validation-only packages. Get-PrPkgProperties delegates to each repo's own
+      (honoring triggering paths and deleted files while ignoring only files directly under
+      sdk/<service>/, not files in package subdirectories), excluding validation-only packages.
+      Get-PrPkgProperties delegates to each repo's own
      Get-AllPackageInfoFromRepo (language-settings.ps1), so this script works for any language repo.
   3. Intersects those packages with this pipeline's declared artifacts and emits Azure DevOps output
      variables consumed by the release stages. Both consumption styles are emitted:
@@ -135,7 +136,10 @@ function Invoke-AutoReleaseResolution {
   # package-detection logic to identify the changed packages.
   Write-Host "Fetching changed files for PR $prLink..."
   $files = @(Get-GitHubPullRequestFiles -RepoId $RepoId -PullRequestNumber $pr.number -AuthToken $AuthToken)
-  $diff = New-GitHubPullRequestDiffObject -PullRequestNumber $pr.number -PullRequestFiles $files
+  $diff = New-GitHubPullRequestDiffObject `
+    -PullRequestNumber $pr.number `
+    -PullRequestFiles $files `
+    -ExcludeServiceRootFiles
   Write-Host "PR $prLink changed $($diff.ChangedFiles.Count) file(s) and deleted $($diff.DeletedFiles.Count) file(s)."
 
   $diffPath = Join-Path ([System.IO.Path]::GetTempPath()) ("autorelease-diff-" + [System.Guid]::NewGuid().ToString('N') + ".json")