Try to find a Unity installation to reference DLLs from

Author: shana

appveyor.yml

@@ -31,6 +31,9 @@ install:
       Set-Content c:\users\appveyor\.ssh\id_rsa $fileContent
     } else {
       git submodule deinit script
+      $destination = Join-Path $env:appveyor_build_folder 'lib\deps.zip'
+      Invoke-WebRequest "https://ghfvs-installer.github.com/dependencies/deps.zip" -OutFile $destination
+      &'7z' x $destination
     }
 
     git submodule update

common/unitylocation.props

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <UnityDir Condition="$(UnityDir) == '' and Exists('C:\Program Files (x86)\Unity\Editor\Data\Managed\UnityEditor.dll')">C:\Program Files (x86)\Unity\Editor\Data\Managed\</UnityDir>
+    <UnityDir Condition="$(UnityDir) == '' and Exists('\Applications\Unity\Unity.app\Contents\Managed\UnityEditor.dll')">\Applications\Unity\Unity.app\Contents\Managed\</UnityDir>
+    <UnityDir Condition="$(UnityDir) == '' and Exists('$(SolutionDir)\script\lib\UnityEditor.dll')">$(SolutionDir)\script\lib\</UnityDir>
+    <UnityDir Condition="$(UnityDir) == '' and Exists('$(SolutionDir)\lib\UnityEditor.dll')">$(SolutionDir)\lib\</UnityDir>
+  </PropertyGroup>
+</Project>

script

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="..\..\..\..\..\common\unitylocation.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -68,11 +69,11 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
     <Reference Include="UnityEditor">
-      <HintPath>$(SolutionDir)lib\UnityEditor.dll</HintPath>
+      <HintPath>$(UnityDir)UnityEditor.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="UnityEngine">
-      <HintPath>$(SolutionDir)lib\UnityEngine.dll</HintPath>
+      <HintPath>$(UnityDir)UnityEngine.dll</HintPath>
       <Private>False</Private>
     </Reference>
   </ItemGroup>

src/UnityExtension/Assets/Editor/GitHub.Unity/GitHub.Unity.csproj

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="..\..\..\common\unitylocation.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -73,10 +74,10 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
     <Reference Include="UnityEditor">
-      <HintPath>$(SolutionDir)lib\UnityEditor.dll</HintPath>
+      <HintPath>$(UnityDir)UnityEditor.dll</HintPath>
     </Reference>
     <Reference Include="UnityEngine">
-      <HintPath>$(SolutionDir)lib\UnityEngine.dll</HintPath>
+      <HintPath>$(UnityDir)UnityEngine.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>