Gracefully handle when we return no matrix results (#40079)

azure-sdk · scbedd · web-flow · commit b6e506d2c4df · 2025-03-14T11:44:04.000-07:00
Co-authored-by: Scott Beddall &lt;scbedd@microsoft.com&gt;
diff --git a/eng/common/scripts/job-matrix/Create-PrJobMatrix.ps1 b/eng/common/scripts/job-matrix/Create-PrJobMatrix.ps1
@@ -253,14 +253,14 @@ if ($directPackages) {
   foreach($artifact in $directPackages) {
     Write-Host "-> $($artifact.ArtifactName)"
   }
-  $OverallResult += GeneratePRMatrixForBatch -Packages $directPackages
+  $OverallResult += (GeneratePRMatrixForBatch -Packages $directPackages) ?? @()
 }
 if ($indirectPackages) {
   Write-Host "Discovered $($indirectPackages.Length) indirect packages"
   foreach($artifact in $indirectPackages) {
     Write-Host "-> $($artifact.ArtifactName)"
   }
-  $OverallResult += GeneratePRMatrixForBatch -Packages $indirectPackages -FullSparseMatrix (-not $SparseIndirect)
+  $OverallResult += (GeneratePRMatrixForBatch -Packages $indirectPackages -FullSparseMatrix (-not $SparseIndirect)) ?? @()
 }
 $serialized = SerializePipelineMatrix $OverallResult
 

Original file line number	Diff line number	Diff line change
`@@ -253,14 +253,14 @@ if ($directPackages) {`
`253`	`253`	`foreach($artifact in $directPackages) {`
`254`	`254`	`Write-Host "-> $($artifact.ArtifactName)"`
`255`	`255`	`}`
`256`		`- $OverallResult += GeneratePRMatrixForBatch -Packages $directPackages`
	`256`	`+ $OverallResult += (GeneratePRMatrixForBatch -Packages $directPackages) ?? @()`
`257`	`257`	`}`
`258`	`258`	`if ($indirectPackages) {`
`259`	`259`	`Write-Host "Discovered $($indirectPackages.Length) indirect packages"`
`260`	`260`	`foreach($artifact in $indirectPackages) {`
`261`	`261`	`Write-Host "-> $($artifact.ArtifactName)"`
`262`	`262`	`}`
`263`		`- $OverallResult += GeneratePRMatrixForBatch -Packages $indirectPackages -FullSparseMatrix (-not $SparseIndirect)`
	`263`	`+ $OverallResult += (GeneratePRMatrixForBatch -Packages $indirectPackages -FullSparseMatrix (-not $SparseIndirect)) ?? @()`
`264`	`264`	`}`
`265`	`265`	`$serialized = SerializePipelineMatrix $OverallResult`
`266`	`266`