feat: Additional Metapackage settings

- added IncludeSymbols=false, fixes #220
- added IncludeBuildOutput=false
- moved UsingCodeGenerationRoslynToolTargets=true to build/.props

Author: amis92

README.md

@@ -484,7 +484,6 @@ Remove `Class1.cs` file.
 
 Modify project file:
 - Add `<Sdk>` element
-- Set `IncludeBuildOutput=false`
 - Add `NupkgAdditionalDependency` in ItemGroup
 ```xml
 <!-- Duplicator/Duplicator.csproj -->
@@ -495,8 +494,6 @@ Modify project file:
   <PropertyGroup>
     <!-- Declare the TargetFramework(s) the same as in your Attributes package -->
     <TargetFramework>netstandard1.0</TargetFramework>
-    <!-- We don't want any build output in package -->
-    <IncludeBuildOutput>false</IncludeBuildOutput>
   </PropertyGroup>
 
   <ItemGroup>

samples/MetapackageSample/MetapackageSample/MetapackageSample.csproj

@@ -12,10 +12,6 @@
   <PropertyGroup>
     <!-- Declare the TargetFramework(s) the same as in your Attributes package -->
     <TargetFrameworks>netstandard1.0;netstandard2.0</TargetFrameworks>
-    <!-- This project contains no files, so building can be skipped -->
-    <NoBuild>true</NoBuild>
-    <!-- Since we don't build, there'll be no build output -->
-    <IncludeBuildOutput>false</IncludeBuildOutput>
   </PropertyGroup>
 
   <ItemGroup>

src/CodeGeneration.Roslyn.PluginMetapackage.Sdk/Sdk/Sdk.props

@@ -5,8 +5,6 @@
     <!-- Announce this SDK (add *AsSdk to differentiate between using this as Sdk
       and normal PackageReference/dependency usage)-->
     <UsingCodeGenerationRoslynPluginMetapackageSdkAsSdk>true</UsingCodeGenerationRoslynPluginMetapackageSdkAsSdk>
-    <!-- Prevent running Tool targets in metapackage -->
-    <UsingCodeGenerationRoslynToolTargets>false</UsingCodeGenerationRoslynToolTargets>
   </PropertyGroup>
 
   <Import Project="../build/CodeGeneration.Roslyn.PluginMetapackage.Sdk.props" />

src/CodeGeneration.Roslyn.PluginMetapackage.Sdk/build/CodeGeneration.Roslyn.PluginMetapackage.Sdk.props

@@ -4,6 +4,11 @@
   <PropertyGroup>
     <!-- Announce this SDK -->
     <UsingCodeGenerationRoslynPluginMetapackageSdk>true</UsingCodeGenerationRoslynPluginMetapackageSdk>
+    <!-- Prevent running Tool targets in metapackage -->
+    <UsingCodeGenerationRoslynToolTargets>false</UsingCodeGenerationRoslynToolTargets>
+    <!-- Setup so that by default no build output and no symbols are packed -->
+    <IncludeBuildOutput>false</IncludeBuildOutput>
+    <IncludeSymbols>false</IncludeSymbols>
   </PropertyGroup>
 
   <!--

templates/content/SourceGenerator.MetapackageProjects/SourceGenerator/SourceGenerator.csproj

@@ -7,7 +7,6 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard1.0</TargetFramework>
-    <IncludeBuildOutput>false</IncludeBuildOutput>
   </PropertyGroup>
 
   <ItemGroup>