Use Costura.Fody to merge all libraries into one assembly.

src/updater/CitizenMP Server Updater.csproj

@@ -12,7 +12,7 @@
     <AssemblyName>citimp_upd</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <NuGetPackageImportStamp>4fcb3eee</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>d8335321</NuGetPackageImportStamp>
     <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -79,12 +79,69 @@
     <None Include="App.config" />
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup>
+  	<EmbeddedResource Include="$(SolutionDir)\packages\LibGit2Sharp.0.20.1.0\lib\net40\NativeBinaries\amd64\**\*">
+	  <Link>costura64/%(RecursiveDir)%(Filename)%(Extension)</Link>
+	  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	</EmbeddedResource>
+  	<EmbeddedResource Include="$(ProjectDir)\costura64\**\*">
+	  <Link>costura64/%(RecursiveDir)%(Filename)%(Extension)</Link>
+	  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	</EmbeddedResource>
+  	<EmbeddedResource Include="$(SolutionDir)\packages\LibGit2Sharp.0.20.1.0\lib\net40\NativeBinaries\x86\**\*">
+	  <Link>costura32/%(RecursiveDir)%(Filename)%(Extension)</Link>
+	  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	</EmbeddedResource>
+  	<EmbeddedResource Include="$(ProjectDir)\costura32\**\*">
+	  <Link>costura32/%(RecursiveDir)%(Filename)%(Extension)</Link>
+	  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	</EmbeddedResource>
+    <Content Include="FodyWeavers.xml" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('$(SolutionDir)\packages\LibGit2Sharp.0.20.1.0\build\net40\LibGit2Sharp.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\packages\LibGit2Sharp.0.20.1.0\build\net40\LibGit2Sharp.props'))" />
+    <Error Condition="!Exists('..\..\packages\Fody.1.26.1\build\Fody.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Fody.1.26.1\build\Fody.targets'))" />
+  </Target>
+  <Import Project="..\..\packages\Fody.1.26.1\build\Fody.targets" Condition="Exists('..\..\packages\Fody.1.26.1\build\Fody.targets')" />
+  <UsingTask TaskName="CosturaCleanup" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll" TaskFactory="CodeTaskFactory">
+    <ParameterGroup>
+      <Config Output="false" Required="true" ParameterType="Microsoft.Build.Framework.ITaskItem" />
+      <Files Output="false" Required="true" ParameterType="Microsoft.Build.Framework.ITaskItem[]" />
+    </ParameterGroup>
+    <Task Evaluate="true">
+      <Reference xmlns="http://schemas.microsoft.com/developer/msbuild/2003" Include="System.Xml" />
+      <Reference xmlns="http://schemas.microsoft.com/developer/msbuild/2003" Include="System.Xml.Linq" />
+      <Using xmlns="http://schemas.microsoft.com/developer/msbuild/2003" Namespace="System" />
+      <Using xmlns="http://schemas.microsoft.com/developer/msbuild/2003" Namespace="System.IO" />
+      <Using xmlns="http://schemas.microsoft.com/developer/msbuild/2003" Namespace="System.Xml.Linq" />
+      <Code xmlns="http://schemas.microsoft.com/developer/msbuild/2003" Type="Fragment" Language="cs"><![CDATA[
+var config = XElement.Load(Config.ItemSpec).Elements("Costura").FirstOrDefault();
+
+if (config == null) return true;
+
+var excludedAssemblies = new List<string>();
+var attribute = config.Attribute("ExcludeAssemblies");
+if (attribute != null)
+    foreach (var item in attribute.Value.Split('|').Select(x => x.Trim()).Where(x => x != string.Empty))
+        excludedAssemblies.Add(item);
+var element = config.Element("ExcludeAssemblies");
+if (element != null)
+    foreach (var item in element.Value.Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim()).Where(x => x != string.Empty))
+        excludedAssemblies.Add(item);
+
+var filesToCleanup = Files.Select(f => f.ItemSpec).Where(f => !excludedAssemblies.Contains(Path.GetFileNameWithoutExtension(f), StringComparer.InvariantCultureIgnoreCase));
+
+foreach (var item in filesToCleanup)
+  File.Delete(item);
+]]></Code>
+    </Task>
+  </UsingTask>
+  <Target Name="CleanReferenceCopyLocalPaths" AfterTargets="AfterBuild;NonWinFodyTarget">
+    <CosturaCleanup Config="FodyWeavers.xml" Files="@(ReferenceCopyLocalPaths->'$(OutDir)%(DestinationSubDirectory)%(Filename)%(Extension)')" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

src/updater/FodyWeavers.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Weavers>
+  <Costura CreateTemporaryAssemblies='true' />
+</Weavers>

src/updater/packages.config

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CommandLineParser" version="1.9.71" targetFramework="net40" />
+  <package id="Costura.Fody" version="1.3.3.0" targetFramework="net40" developmentDependency="true" />
+  <package id="Fody" version="1.26.1" targetFramework="net40" developmentDependency="true" />
   <package id="LibGit2Sharp" version="0.20.1.0" targetFramework="net45" />
   <package id="Mono.Posix" version="4.0.0.0" targetFramework="net45" />
 </packages>