From 548226570e6f80de54f565a5a6b9cf33bf1c2c4b Mon Sep 17 00:00:00 2001
From: jnm2 <me@jnm2.com>
Date: Fri, 10 Apr 2020 11:48:54 -0400
Subject: [PATCH] Declare internal source attributes in consuming projects

---
 .../IDisposableAnalyzers.csproj               |  5 +++-
 .../build/IDisposableAnalyzers.targets        | 13 +++++++++
 .../build/OwnershipAttributes.cs              | 28 +++++++++++++++++++
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 IDisposableAnalyzers/build/IDisposableAnalyzers.targets
 create mode 100644 IDisposableAnalyzers/build/OwnershipAttributes.cs

diff --git a/IDisposableAnalyzers/IDisposableAnalyzers.csproj b/IDisposableAnalyzers/IDisposableAnalyzers.csproj
index da3b57d0..a4563bd7 100644
--- a/IDisposableAnalyzers/IDisposableAnalyzers.csproj
+++ b/IDisposableAnalyzers/IDisposableAnalyzers.csproj
@@ -66,7 +66,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <None Update="tools\*" Pack="true" PackagePath="" />
+    <None Update="tools\*;build\*" Pack="true" PackagePath="" />
+    <Compile Remove="build\*.cs" />
+    <None Include="build\*.cs" Pack="true" PackagePath="build" />
+
     <None Include="$(OutputPath)\$(AssemblyName).dll;$(OutputPath)\Gu.Roslyn.Extensions.dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
   </ItemGroup>
 </Project>
diff --git a/IDisposableAnalyzers/build/IDisposableAnalyzers.targets b/IDisposableAnalyzers/build/IDisposableAnalyzers.targets
new file mode 100644
index 00000000..7e3dafe8
--- /dev/null
+++ b/IDisposableAnalyzers/build/IDisposableAnalyzers.targets
@@ -0,0 +1,13 @@
+<Project>
+
+  <PropertyGroup>
+    <OwnershipAttributesPath Condition="'$(OwnershipAttributesPath)' == ''">$(MSBuildThisFileDirectory)OwnershipAttributes$(DefaultLanguageSourceExtension)</OwnershipAttributesPath>
+
+    <IncludeOwnershipAttributes Condition="'$(IncludeOwnershipAttributes)' == '' and Exists($(OwnershipAttributesPath))">true</IncludeOwnershipAttributes>
+  </PropertyGroup>
+
+  <ItemGroup Condition="'$(IncludeOwnershipAttributes)' == 'true'">
+    <Compile Include="$(OwnershipAttributesPath)" Visible="false" />
+  </ItemGroup>
+
+</Project>
diff --git a/IDisposableAnalyzers/build/OwnershipAttributes.cs b/IDisposableAnalyzers/build/OwnershipAttributes.cs
new file mode 100644
index 00000000..21372e42
--- /dev/null
+++ b/IDisposableAnalyzers/build/OwnershipAttributes.cs
@@ -0,0 +1,28 @@
+namespace IDisposableAnalyzers
+{
+    using System;
+
+    /// <summary>
+    /// The return value must be disposed by the caller.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.ReturnValue | AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
+    internal sealed class GivesOwnershipAttribute : Attribute
+    {
+    }
+
+    /// <summary>
+    /// The return value must not be disposed by the caller.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.ReturnValue | AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
+    internal sealed class KeepsOwnershipAttribute : Attribute
+    {
+    }
+
+    /// <summary>
+    /// The ownership of instance is transferred and the receiver is responsible for disposing.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
+    internal sealed class TakesOwnershipAttribute : Attribute
+    {
+    }
+}