Add Parquet symbols nuget package. (#145)

Add symbols package for ML.Parquet package.
Put common NuGet package logic in props file.

Fix #144

Author: eerhardt

pkg/Directory.Build.props

@@ -6,6 +6,9 @@
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <IncludeSymbols>false</IncludeSymbols>
 
+    <IsSymbolsPackage Condition="$(MSBuildProjectName.Contains('.symbols'))">true</IsSymbolsPackage>
+    <PackageIdFolderName>$(MSBuildProjectName.Replace('.symbols', ''))</PackageIdFolderName>
+
     <!--
     Our .nupkgproj files have conflicting names with src projects, which puts their intermediate
     output in the same folder (like project.assets.json). Override the intermediate output to
@@ -24,6 +27,17 @@
     <PackageReleaseNotes>https://github.com/dotnet/machinelearning/tree/master/Documentation/release-notes</PackageReleaseNotes>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Content Include="$(PackageAssetsPath)$(PackageIdFolderName)\lib\**\*" Pack="true" PackagePath="lib" />
+    <Content Include="$(PackageAssetsPath)$(PackageIdFolderName)\runtimes\**\*" Pack="true" PackagePath="runtimes" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(IsSymbolsPackage)' != 'true'">
+    <Content Remove="$(PackageAssetsPath)$(PackageIdFolderName)\**\*.pdb" />
+    <Content Remove="$(PackageAssetsPath)$(PackageIdFolderName)\**\*.dwarf" />
+    <Content Remove="$(PackageAssetsPath)$(PackageIdFolderName)\**\*.dbg" />
+  </ItemGroup>
+  
   <!-- Work around https://github.com/NuGet/Home/issues/6091 -->
   <ItemDefinitionGroup>
     <PackageReference>

pkg/Microsoft.ML.Parquet/Microsoft.ML.Parquet.nupkgproj

@@ -10,10 +10,4 @@
     <PackageReference Include="Parquet.Net" Version="$(ParquetDotNetPackageVersion)" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\lib\**\*" Pack="true" PackagePath="lib" />
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\lib\**\*.xml" Pack="true" PackagePath="lib" />
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\runtimes\**\*" Pack="true" PackagePath="runtimes" />
-  </ItemGroup>
-
 </Project>

pkg/Microsoft.ML.Parquet/Microsoft.ML.Parquet.symbols.nupkgproj

@@ -0,0 +1,5 @@
+<Project DefaultTargets="Pack">
+
+  <Import Project="Microsoft.ML.Parquet.nupkgproj" />
+
+</Project>

pkg/Microsoft.ML/Microsoft.ML.nupkgproj

@@ -11,15 +11,7 @@
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="$(SystemReflectionEmitLightweightPackageVersion)" />
     <PackageReference Include="System.Threading.Tasks.Dataflow" Version="$(SystemThreadingTasksDataflowPackageVersion)" />
     <PackageReference Include="System.CodeDom" Version="$(SystemCodeDomPackageVersion)" />
-	<PackageReference Include="System.ValueTuple" Version="$(SystemValueTupleVersion)" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\lib\**\*.dll" Pack="true" PackagePath="lib" />
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\lib\**\*.xml" Pack="true" PackagePath="lib" />
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\runtimes\**\*.dll" Pack="true" PackagePath="runtimes" />
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\runtimes\**\*.dylib" Pack="true" PackagePath="runtimes" />
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectName)\runtimes\**\*.so" Pack="true" PackagePath="runtimes" />
+    <PackageReference Include="System.ValueTuple" Version="$(SystemValueTupleVersion)" />
   </ItemGroup>
 
 </Project>

pkg/Microsoft.ML/Microsoft.ML.symbols.nupkgproj

@@ -1,14 +1,5 @@
-<Project Sdk="Microsoft.NET.Sdk" DefaultTargets="Pack">
+<Project DefaultTargets="Pack">
 
   <Import Project="Microsoft.ML.nupkgproj" />
 
-  <PropertyGroup>
-    <MSBuildProjectNameWithoutSymbols>$(MSBuildProjectName.Replace('.symbols', ''))</MSBuildProjectNameWithoutSymbols>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectNameWithoutSymbols)\lib\**\*" Pack="true" PackagePath="lib" />
-    <Content Include="$(PackageAssetsPath)$(MSBuildProjectNameWithoutSymbols)\runtimes\**\*" Pack="true" PackagePath="runtimes" />
-  </ItemGroup>
-
 </Project>