Proper way to reference sign.targets in new project (#446)

Author: agr

src/Validation.ScanAndSign.Core/Validation.ScanAndSign.Core.csproj

@@ -53,5 +53,10 @@
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\..\build\sign.targets" Condition="Exists('..\..\build\sign.targets')" />
+  <PropertyGroup>
+    <SignPath>..\..\build</SignPath>
+    <SignPath Condition="'$(BUILD_SOURCESDIRECTORY)' != ''">$(BUILD_SOURCESDIRECTORY)\build</SignPath>
+    <SignPath Condition="'$(NuGetBuildPath)' != ''">$(NuGetBuildPath)</SignPath>
+  </PropertyGroup>
+  <Import Project="$(SignPath)\sign.targets" Condition="Exists('$(SignPath)\sign.targets')" />
 </Project>