Fix Export-API.ps1 to normalize line endings to LF (Azure#53080)

Author: Copilot

eng/ApiListing.targets

@@ -32,14 +32,7 @@
   <Target 
     Name="ExportApiInner"
     DependsOnTargets="Build;RemoveExistingListings;GenerateReferenceAssemblySource"
-    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>
+    Condition="'$(IsInnerBuild)' == 'true'" />
 
   <Target Name="ExportApi" DependsOnTargets="ExportApiCrossTarget;ExportApiInner" Condition="'$(GenerateAPIListing)' == 'true'" />
 

eng/scripts/Export-API.ps1

@@ -20,6 +20,21 @@ $diagnosticArguments = ($debugLogging -and $logsFolder) ? "/binarylogger:$logsFo
 
 dotnet build /t:ExportApi /p:RunApiCompat=false /p:InheritDocEnabled=false /p:GeneratePackageOnBuild=false /p:Configuration=Release /p:IncludeSamples=false /p:IncludePerf=false /p:IncludeStress=false /p:IncludeTests=false /p:Scope="$ServiceDirectory" /p:SDKType=$SDKType /restore $servicesProj $diagnosticArguments
 
+# Normalize line endings to LF in generated API listing files
+Write-Host "Normalizing line endings in API listing files"
+$apiListingFiles = Get-ChildItem -Path "$PSScriptRoot/../../sdk/$ServiceDirectory/*/api/*.cs" -ErrorAction SilentlyContinue
+foreach ($file in $apiListingFiles) {
+    $content = Get-Content -Path $file.FullName -Raw
+    if ($content) {
+        # 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 $file.FullName -Value $content -NoNewline
+    }
+}
+
 if ($SpellCheckPublicApiSurface) {
     Write-Host "Spell check public API surface"
     &"$PSScriptRoot/../common/spelling/Invoke-Cspell.ps1" `