Avoid registering metadata loader extension when running in the native worker (#1258)

Author: kshyju

sdk/Sdk/Sdk.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <MinorProductVersion>8</MinorProductVersion>
-    <VersionSuffix>-preview3</VersionSuffix>
+    <VersionSuffix>-preview4</VersionSuffix>
     <TargetFrameworks>netstandard2.0;net472</TargetFrameworks>
     <PackageId>Microsoft.Azure.Functions.Worker.Sdk</PackageId>
     <Description>This package provides development time support for the Azure Functions .NET Worker.</Description>

sdk/Sdk/Targets/Microsoft.Azure.Functions.Worker.Sdk.targets

@@ -35,6 +35,7 @@ WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and
 
         <FunctionsEnableWorkerIndexing Condition="$(FunctionsEnableWorkerIndexing) == ''">false</FunctionsEnableWorkerIndexing>
         <FunctionsMetadataSourceGen_Enabled Condition="$(FunctionsMetadataSourceGen_Enabled) == ''">true</FunctionsMetadataSourceGen_Enabled>
+        <FunctionsEnablePlaceholder Condition="$(FunctionsEnablePlaceholder) == ''">false</FunctionsEnablePlaceholder>
     </PropertyGroup>
 
     <UsingTask TaskName="GenerateFunctionMetadata"
@@ -75,7 +76,9 @@ WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and
           TargetFrameworkVersion="$(TargetFrameworkVersion)"
           OutputPath="$(TargetDir)"/>
 
+        <!-- Do not copy _FunctionsMetadataLoaderExtensionFile when in placeholder mode, as we don't want the FunctionMetadataLoader entry in extensions.json-->
         <Copy
+          Condition="!$(FunctionsEnablePlaceholder)"
           SourceFiles="$(_FunctionsMetadataLoaderExtensionFile)"
           DestinationFolder="$(ExtensionsCsProjFilePath)\buildout"
           OverwriteReadOnlyFiles="true" />
@@ -104,8 +107,9 @@ WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and
           TargetFrameworkIdentifier="$(TargetFrameworkIdentifier)"
           TargetFrameworkVersion="$(TargetFrameworkVersion)"
           OutputPath="$(TargetDir)"/>
-
+        <!-- Do not copy _FunctionsMetadataLoaderExtensionFile when in placeholder mode, as we don't want the FunctionMetadataLoader entry in extensions.json--> 
         <Copy
+          Condition="!$(FunctionsEnablePlaceholder)"
           SourceFiles="$(_FunctionsMetadataLoaderExtensionFile)"
           DestinationFolder="$(ExtensionsCsProjFilePath)\buildout"
           OverwriteReadOnlyFiles="true" />

sdk/release_notes.md

@@ -5,4 +5,5 @@
 
 - Support sdk-type binding reference type (#1107)
 - Add MS Build property to disable source generation of function metadata (it is enabled automatically) (#1200)
-  - Prop name: `FunctionsMetadataSourceGen_Enabled`
+  - Prop name: `FunctionsMetadataSourceGen_Enabled`
+- Avoid registering metadata loader extension when running in the native worker (#1216)