Make azp/artifacts only warn when they can't find files

azure-pipelines/artifacts/_all.ps1

@@ -23,9 +23,13 @@ Function EnsureTrailingSlash($path) {
 Get-ChildItem "$PSScriptRoot\*.ps1" -Exclude "_*" -Recurse |% {
     $ArtifactName = $_.BaseName
 
-    (& $_).GetEnumerator() |% {
+    $fileGroups = & $_
+    if (!$fileGroups -or $fileGroups.Count -eq 0) {
+        Write-Warning "No files found for the `"$ArtifactName`" artifact."
+    } else {
+        $fileGroups.GetEnumerator() | % {
             $BaseDirectory = New-Object Uri ((EnsureTrailingSlash $_.Key), [UriKind]::Absolute)
-        $_.Value |% {
+            $_.Value | % {
                 if ($_.GetType() -eq [IO.FileInfo] -or $_.GetType() -eq [IO.DirectoryInfo]) {
                     $_ = $_.FullName
                 }
@@ -42,4 +46,5 @@ Get-ChildItem "$PSScriptRoot\*.ps1" -Exclude "_*" -Recurse |% {
                 Write-Output $artifact
             }
         }
+    }
 }

azure-pipelines/artifacts/build_logs.ps1

@@ -5,6 +5,8 @@ if ($env:BUILD_ARTIFACTSTAGINGDIRECTORY) {
     $artifactsRoot = "$RepoRoot\bin"
 }
 
+if (!(Test-Path $artifactsRoot/build_logs)) { return }
+
 @{
     "$artifactsRoot/build_logs" = (Get-ChildItem -Recurse "$artifactsRoot/build_logs")
 }

azure-pipelines/artifacts/coverageResults.ps1

@@ -9,9 +9,11 @@ if ($env:SYSTEM_DEFAULTWORKINGDIRECTORY) {
         Set-Content -Path $_ -Value $content -Encoding UTF8
     }
 } else {
-    Write-Warning "Azure Pipelines not detected. Machine-neutral token replacement skipped."
+    Write-Warning "coverageResults: Azure Pipelines not detected. Machine-neutral token replacement skipped."
 }
 
+if (!((Test-Path $RepoRoot\bin) -and (Test-Path $RepoRoot\obj))) { return }
+
 @{
     $RepoRoot = (
         (Get-ChildItem "$RepoRoot\bin\coverage.cobertura.xml" -Recurse) +

azure-pipelines/artifacts/deployables.ps1

@@ -6,6 +6,8 @@ if (!$BuildConfiguration) {
 
 $PackagesRoot = "$RepoRoot/bin/Packages/$BuildConfiguration"
 
+if (!(Test-Path $PackagesRoot))  { return }
+
 @{
     "$PackagesRoot" = (Get-ChildItem $PackagesRoot -Recurse)
 }

azure-pipelines/artifacts/projectAssetsJson.ps1

@@ -1,7 +1,9 @@
-$RepoRoot = [System.IO.Path]::GetFullPath("$PSScriptRoot\..\..")
+$ObjRoot = [System.IO.Path]::GetFullPath("$PSScriptRoot\..\..\obj")
+
+if (!(Test-Path $ObjRoot)) { return }
 
 @{
-    "$RepoRoot\obj" = (
+    "$ObjRoot" = (
-        (Get-ChildItem "$RepoRoot\obj\project.assets.json" -Recurse)
+        (Get-ChildItem "$ObjRoot\project.assets.json" -Recurse)
     );
 }