FormsPlayer/NuGet.Restore.targets at master · MobileEssentials/FormsPlayer · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">

	<PropertyGroup Condition="'$(OS)' == 'Windows_NT'">
		<NuGetPath>$(MSBuildThisFileDirectory).nuget</NuGetPath>
		<NuGetExe>$(NuGetPath)\NuGet.exe</NuGetExe>
		<CachedNuGet>$(LocalAppData)\NuGet\NuGet.exe</CachedNuGet>
	</PropertyGroup>

	<PropertyGroup Condition="'$(OS)' != 'Windows_NT'">
		<NuGetExe>nuget</NuGetExe>
	</PropertyGroup>

	<Target Name="RestorePackages" BeforeTargets="Build" DependsOnTargets="GetNuGet">
		<!-- Restores current solution being build first -->
		<Exec Command='"$(NuGetExe)" Restore "$(SolutionPath)"' Condition="'$(SolutionPath)' != ''" />
		<!-- Restores additional solutions  -->
		<Exec Command='"$(NuGetExe)" Restore "%(RestoreSolution.Identity)"' Condition="'%(RestoreSolution.Identity)' != '' And '%(RestoreSolution.OutputDirectory)' == ''" />
		<Exec Command='"$(NuGetExe)" Restore "%(RestoreSolution.Identity)" -OutputDirectory "%(RestoreSolution.OutputDirectory)"' Condition="'%(RestoreSolution.Identity)' != '' And '%(RestoreSolution.OutputDirectory)' != ''" />
	</Target>

	<Target Name="GetNuGet" Condition="'$(OS)' == 'Windows_NT' And !Exists('$(NuGetExe)')">
		<MakeDir Directories="$(NuGetPath)" Condition="!Exists($(NuGetPath))" />
		<DownloadNuGet TargetPath="$(CachedNuGet)" Condition="!Exists($(NuGetExe)) And !Exists($(CachedNuGet))" />
		<Copy SourceFiles="$(CachedNuGet)" DestinationFolder="$(NuGetPath)" Condition="!Exists($(NuGetExe))" />
	</Target>

	<PropertyGroup Condition="'$(OS)' == 'Windows_NT'">
		<CodeTaskAssembly Condition="'$(MSBuildAssemblyVersion)' == ''">$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll</CodeTaskAssembly>
		<!-- In VS2013, the assembly contains the VS version. -->
		<CodeTaskAssembly Condition="'$(MSBuildAssemblyVersion)' == '12.0'">$(MSBuildToolsPath)\Microsoft.Build.Tasks.v12.0.dll</CodeTaskAssembly>
		<!-- In VS2015+, the assembly was renamed, hopefully this will be the last condition! -->
		<CodeTaskAssembly Condition="'$(MSBuildAssemblyVersion)' != '' and '$(MSBuildAssemblyVersion)' &gt;= '14.0'">$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll</CodeTaskAssembly>
	</PropertyGroup>

	<UsingTask TaskName="DownloadNuGet" TaskFactory="CodeTaskFactory" AssemblyFile="$(CodeTaskAssembly)">
		<ParameterGroup>
			<TargetPath ParameterType="System.String" Required="true" />
		</ParameterGroup>
		<Task>
			<Reference Include="System.Core" />
			<Using Namespace="System" />
			<Using Namespace="System.IO" />
			<Using Namespace="System.Net" />
			<Using Namespace="Microsoft.Build.Framework" />
			<Using Namespace="Microsoft.Build.Utilities" />
			<Code Type="Fragment" Language="cs">
				<![CDATA[
                try {
                    TargetPath = Path.GetFullPath(TargetPath);
                    if (!Directory.Exists(Path.GetDirectoryName(TargetPath)))
                        Directory.CreateDirectory(Path.GetDirectoryName(TargetPath));

                    Log.LogMessage("Downloading latest version of NuGet.exe...");
                    WebClient webClient = new WebClient();
                    webClient.DownloadFile("https://www.nuget.org/nuget.exe", TargetPath);

                    return true;
                }
                catch (Exception ex) {
                    Log.LogErrorFromException(ex);
                    return false;
                }
            ]]>
			</Code>
		</Task>
	</UsingTask>

</Project>