dotnet-installer/build/Prepare.targets

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Import Project="Microsoft.DotNet.Cli.tasks" />
  <Import Project="prepare/CheckPrereqs.targets" />

  <Target Name="Prepare"
          DependsOnTargets="Init;DownloadHostAndSharedFxArtifacts;RestoreSrcPackages;RestoreToolsPackages" />

  <Target Name="Init"
          DependsOnTargets="SetTelemetryProfile;
                            BuildDotnetCliBuildFramework;
                            CheckPrereqs;">
  </Target>

  <Target Name="SetTelemetryProfile"
          DependsOnTargets="BuildDotnetCliBuildFramework" >
    <SetEnvVar Name="DOTNET_CLI_TELEMETRY_PROFILE" Value="$(DOTNET_CLI_TELEMETRY_PROFILE);https://github.com/dotnet/cli;$(CommitHash)" />
  </Target>

  <Target Name="DownloadHostAndSharedFxArtifacts">

    <PropertyGroup>
      <OverwriteExtractionDestination>%(_DownloadAndExtractItem.OverwriteDestination)</OverwriteExtractionDestination>
      <OverwriteExtractionDestination Condition="'$(OverwriteExtractionDestination)' == ''">True</OverwriteExtractionDestination>
    </PropertyGroup>
    
    <DownloadFile Condition=" '@(_DownloadAndExtractItem)' != '' "
                  Uri="%(_DownloadAndExtractItem.Url)"
                  DestinationPath="%(_DownloadAndExtractItem.DownloadFileName)" />

    <ZipFileExtractToDirectory Condition=" '%(_DownloadAndExtractItem.ExtractDestination)' != '' AND '$(OSName)' == 'win' "
                               SourceArchive="%(_DownloadAndExtractItem.DownloadFileName)"
                               DestinationDirectory="%(_DownloadAndExtractItem.ExtractDestination)"
                               OverwriteDestination="$(OverwriteExtractionDestination)" />

    <TarGzFileExtractToDirectory Condition=" '%(_DownloadAndExtractItem.ExtractDestination)' != '' AND '$(OSName)' != 'win' "
                               SourceArchive="%(_DownloadAndExtractItem.DownloadFileName)"
                               DestinationDirectory="%(_DownloadAndExtractItem.ExtractDestination)"
                               OverwriteDestination="$(OverwriteExtractionDestination)" />
  </Target>

  <Target Name="RestoreSrcPackages"
          DependsOnTargets="SetupRestoreSrcPackagesInputsOutputs;Init"
          Inputs="@(RestoreSrcPackagesInput)"
          Outputs="@(RestoreSrcPackagesInput->'%(RelativeDir)/obj/project.assets.json');@(RestoreSrcPackagesInput->'%(RelativeDir)/obj/%(Filename).csproj.nuget.g.props');@(RestoreSrcPackagesInput->'%(RelativeDir)/obj/%(Filename).csproj.nuget.g.targets')">

    <CallTarget Targets="CleanSrcLockFiles" />

    <DotNetRestore ToolPath="$(Stage0Directory)"
                   ProjectPath="&quot;%(RestoreSrcPackagesInput.FullPath)&quot;" />

  </Target>

  <Target Name="CleanSrcLockFiles" >
    <ItemGroup>
      <SrcLockFiles Include="$(RepoRoot)/src/**/project.assets.json;$(RepoRoot)/src/**/*.csproj.nuget.g.props;$(RepoRoot)/src/**/*.csproj.nuget.g.targets" />
    </ItemGroup>
    <Delete Files="@(SrcLockFiles)" />
  </Target>

  <Target Name="SetupRestoreSrcPackagesInputsOutputs">
    <ItemGroup>
      <RestoreSrcPackagesInput Include="$(RepoRoot)/src/**/*.csproj" Exclude="$(RepoRoot)/src/**/%24projectName%24.csproj"/>
    </ItemGroup>
  </Target>

  <Target Name="RestoreToolsPackages"
          DependsOnTargets="SetupRestoreToolsPackagesInputsOutputs;Init"
          Inputs="@(RestoreToolsPackagesInput)"
          Outputs="@(RestoreToolsPackagesInput->'%(RelativeDir)/obj/project.assets.json');@(RestoreToolsPackagesInput->'%(RelativeDir)/obj/%(Filename).csproj.nuget.g.props');@(RestoreToolsPackagesInput->'%(RelativeDir)/obj/%(Filename).csproj.nuget.g.targets')">

    <CallTarget Targets="CleanToolsLockFiles" />

    <DotNetRestore ToolPath="$(Stage0Directory)"
                   ProjectPath="&quot;%(RestoreToolsPackagesInput.FullPath)&quot;" />

  </Target>

  <Target Name="CleanToolsLockFiles" >
    <ItemGroup>
      <ToolsLockFiles Include="$(RepoRoot)/tools/**/project.assets.json;$(RepoRoot)/tools/**/*.csproj.nuget.g.props;$(RepoRoot)/tools/**/*.csproj.nuget.g.targets" />
    </ItemGroup>
    <Delete Files="@(ToolsLockFiles)" />
  </Target>

  <Target Name="SetupRestoreToolsPackagesInputsOutputs">
    <ItemGroup>
      <RestoreToolsPackagesInput Include="$(RepoRoot)/tools/**/*.csproj" />
    </ItemGroup>
  </Target>

</Project>