add PowerShell worker

Author: TylerLeonhardt

build.ps1

@@ -261,12 +261,16 @@ function cleanExtension([string] $bitness) {
     Remove-Item -Recurse -Force "$privateSiteExtensionPath\$bitness\runtimes\linux" -ErrorAction SilentlyContinue
     Remove-Item -Recurse -Force "$privateSiteExtensionPath\$bitness\runtimes\osx" -ErrorAction SilentlyContinue
 
-    Get-ChildItem "$privateSiteExtensionPath\$bitness\workers\node\grpc\src\node\extension_binary" | 
+    Get-ChildItem "$privateSiteExtensionPath\$bitness\workers\node\grpc\src\node\extension_binary" -ErrorAction SilentlyContinue | 
     Foreach-Object {
         if (-Not ($_.FullName -Match "win32")) {
             Remove-Item -Recurse -Force $_.FullName
         }
     }
+
+    $keepRuntimes = @('win', 'win-x86', 'win10-x86')
+    Get-ChildItem "$privateSiteExtensionPath\$bitness\workers\powershell\runtimes" -Exclude $keepRuntimes -ErrorAction SilentlyContinue |
+        Remove-Item -Recurse -Force -ErrorAction SilentlyContinue
 }
 
 dotnet --version
@@ -297,4 +301,4 @@ if ($bypassPackaging){
 
     #build win-x86 and win-x64 extension
     BuildPackages 0
-}
+}

src/WebJobs.Script/WebJobs.Script.csproj

@@ -37,6 +37,7 @@
     <PackageReference Include="Microsoft.Azure.AppService.Proxy.Client" Version="2.0.6830001-df202c6c" />
     <PackageReference Include="Microsoft.Azure.Functions.JavaWorker" Version="1.2.3" />
     <PackageReference Include="Microsoft.Azure.Functions.NodeJsWorker" Version="1.0.0-beta7" />
+    <PackageReference Include="Microsoft.Azure.Functions.PowerShellWorker" Version="0.1.38-alpha" />
     <PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.3" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions" Version="3.0.1" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Http" Version="3.0.1" />
@@ -67,4 +68,4 @@
     <ProjectReference Include="..\WebJobs.Script.Grpc\WebJobs.Script.Grpc.csproj" />
   </ItemGroup>
 
-</Project>
+</Project>