Fix Export-API.ps1 to normalize line endings to LF (Azure#52996)

* Initial plan

* Add line ending normalization for GenAPI output files

Co-authored-by: JoshLove-msft <[email protected]>

* Integrate normalization into ExportApiInner target

Co-authored-by: JoshLove-msft <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: JoshLove-msft <[email protected]>

Author: Copilot

eng/ApiListing.targets

@@ -32,7 +32,14 @@
   <Target 
     Name="ExportApiInner"
     DependsOnTargets="Build;RemoveExistingListings;GenerateReferenceAssemblySource"
-    Condition="'$(IsInnerBuild)' == 'true'" />
+    Condition="'$(IsInnerBuild)' == 'true'">
+    
+    <!-- Normalize line endings to LF using PowerShell Core -->
+    <ItemGroup>
+      <_ApiListingFiles Include="$(GenAPITargetPath)" Condition="Exists('$(GenAPITargetPath)')" />
+    </ItemGroup>
+    <Exec Command="pwsh -NoProfile -ExecutionPolicy Bypass -File &quot;$(MSBuildThisFileDirectory)scripts/Normalize-LineEndings.ps1&quot; -FilePath &quot;%(_ApiListingFiles.Identity)&quot;" Condition="'@(_ApiListingFiles)' != ''" />
+  </Target>
 
   <Target Name="ExportApi" DependsOnTargets="ExportApiCrossTarget;ExportApiInner" Condition="'$(GenerateAPIListing)' == 'true'" />
 

eng/scripts/Normalize-LineEndings.ps1

@@ -0,0 +1,18 @@
+#!/usr/bin/env pwsh
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+param(
+    [Parameter(Mandatory=$true)]
+    [string]$FilePath
+)
+
+if (Test-Path $FilePath) {
+    $content = Get-Content -Path $FilePath -Raw
+    # Replace CRLF with LF
+    $content = $content -replace "`r`n", "`n"
+    # Replace any remaining CR with LF
+    $content = $content -replace "`r", "`n"
+    # Write back without adding extra newline
+    Set-Content -Path $FilePath -Value $content -NoNewline
+}