Produce NuGet package on build

ILRepack.nuspec

@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
+  <metadata>
+    <id>ILRepack</id>
+    <version>2.0.19</version>
+    <title>ILRepack - Open-source alternative to ILMerge</title>
+    <authors>Francois Valdy</authors>
+    <owners>Francois Valdy, Kirill Osenkov</owners>
+    <language>en-US</language>
+    <license type="expression">Apache-2.0</license>
+    <projectUrl>https://github.com/gluck/il-repack</projectUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>ILRepack is meant at replacing ILMerge / Mono.Merge.
+            The former being closed-source, impossible to customize, slow, resource consuming and many more. The later being deprecated, unsupported, and based on an old version of Mono.Cecil.</description>
+    <summary>ILRepack is a utility that can be used to merge multiple .NET assemblies into a single assembly</summary>
+    <tags>ILRepack ILMerge dotnet IL</tags>
+    <copyright>Copyright Francois Valdy 2011-2015</copyright>
+  </metadata>
+  <files>
+    <file src="ILRepack.props" target="build" />
+    <file src="ILRepack.exe" target="tools" />
+  </files>
+</package>

ILRepack.props

@@ -1,6 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project>
   <PropertyGroup>
-    <ILRepack>$(MSBuildThisFileDirectory)..\tools\ILRepack.exe</ILRepack>
+    <ILRepack>$([System.IO.Path]::GetFullPath('$(MSBuildThisFileDirectory)..\tools\ILRepack.exe'))</ILRepack>
   </PropertyGroup>
 </Project>

ILRepack/ILRepack.csproj

@@ -13,6 +13,7 @@
   </PropertyGroup>
   <ItemGroup>
     <None Include="ILRepack.snk" />
+    <None Include="$(MSBuildThisFileDirectory)..\ILRepack.props" CopyToOutputDirectory="PreserveNewest" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
@@ -31,4 +32,32 @@
   <ItemGroup>
     <EmbeddedResource Include="$(PkgSourceLink)\tools\pdbstr.exe" />
   </ItemGroup>
+
+  <Target Name="PrepareNupkgInfo">
+    <PropertyGroup>
+      <NuspecPath>$(MSBuildThisFileDirectory)..\ILRepack.nuspec</NuspecPath>
+      <NupkgPath>$(OutDir)ILRepack.nupkg</NupkgPath>
+    </PropertyGroup>
+  </Target>
+
+  <Target Name="PackNuGet"
+      AfterTargets="Build"
+      DependsOnTargets="PrepareNupkgInfo"
+      Condition="$(Configuration) == 'Release'">
+    <MakeDir Directories="Repacked" />
+    <Exec
+        Command="&quot;$(TargetPath)&quot; /log /wildcards /internalize /ndebug /out:Repacked\ILRepack.exe BamlParser.dll Fasterflect.dll Mono.Cecil.dll Mono.Posix.dll" 
+        WorkingDirectory="$(OutDir)"
+        ConsoleToMSBuild="True" />
+    <PackTask
+        PackItem="$(NuspecPath)"
+        NuspecFile="$(NuspecPath)"
+        NuspecBasePath="$(OutDir)"
+        NuspecOutputPath="$(NuspecOutputPath)"
+        PackageOutputPath="$(OutDir)"
+        RestoreOutputPath="$(RestoreOutputPath)"
+        SymbolPackageFormat="snupkg"
+        />
+  </Target>
+
 </Project>