Bringing down MicroBuild.Core props and targets separately from build_tools.

NuGet.Config

@@ -13,5 +13,6 @@
     <add key="xunit" value="https://www.myget.org/F/xunit/api/v3/index.json" />
     <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
     <add key="vstest" value="https://dotnet.myget.org/F/vstest/api/v3/index.json" />
+    <add key="build_tools" value="https://dotnet.myget.org/F/dotnet-buildtools/api/v3/index.json" />
   </packageSources>
 </configuration>

build/DependencyVersions.props

@@ -19,6 +19,7 @@
     <CliCommandLineParserVersion>0.1.0-alpha-142</CliCommandLineParserVersion>
     <CliMigrateVersion>1.2.1-alpha-002130</CliMigrateVersion>
     <AspNetCoreRuntimeVersion>2.0.0-preview1-65</AspNetCoreRuntimeVersion>
+    <MicroBuildVersion>0.2.0</MicroBuildVersion>
     
     <!-- This should either be timestamped or notimestamp as appropriate -->
     <AspNetCoreRuntimePackageFlavor>notimestamp</AspNetCoreRuntimePackageFlavor>

build/MicroBuild.props

@@ -0,0 +1,5 @@
+<Project>
+  <PropertyGroup>
+    <MicroBuildPropsAndTargetsPath>$(NuGetPackagesDir)/microbuild.core/$(MicroBuildVersion)/build/</MicroBuildPropsAndTargetsPath>
+  </PropertyGroup>
+</Project>

build/Signing.proj

@@ -1,10 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project InitialTargets="SetSigningProperties" DefaultTargets="SignFiles" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <RepoRoot>$(MSBuildThisFileDirectory)/..</RepoRoot>
-  </PropertyGroup>
-  
-  <Import Project="$(RepoRoot)/build_tools/MicroBuild.Core.props" />
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />  
+  <Import Project="$(MicroBuildPropsAndTargetsPath)MicroBuild.Core.props" />
 
   <!-- This will be overridden if we're building with MicroBuild. -->
   <Target Name="SignFiles">
@@ -127,5 +124,5 @@
     </ItemGroup>
   </Target>
 
-  <Import Project="$(RepoRoot)/build_tools/MicroBuild.Core.targets" />
+  <Import Project="$(MicroBuildPropsAndTargetsPath)MicroBuild.Core.targets" />
 </Project>

dir.props

@@ -35,6 +35,7 @@
   <Import Project="build/BuildDefaults.props" />
   <Import Project="build/Stage0.props" />
   <Import Project="build/CrossGen.props" />
+  <Import Project="build/MicroBuild.props" />
   <Import Project="build/VersionBadge.props" />
   <Import Project="build/BundledRuntimes.props" />
   <Import Project="build/BackwardsCompatibilityRuntimes.props" />

tools/Signing.Dependencies/Signing.Dependencies.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp1.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MicroBuild.Core" Version="$(MicroBuildVersion)" />
+  </ItemGroup>
+
+</Project>