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;IsolateArtifactsFromDirectoryBuildFiles;CreatePropsForNextStage" />

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

  <Target Name="PrintBuildInfo">
    <Message Text="Host info - Rid: $(HostRid), OSName: $(HostOSName)" Importance="High" />
    <Message Text="Build info - Rid: $(Rid), Architecture: $(Architecture), OSName: $(OSName)" Importance="High" />
    <Message Text="If you intended to use a different Rid, Architecture, or OSName run the following command to generate your build state:" Importance="High" />
    <Message Text="dotnet msbuild build.proj /p:Architecture=Architecture /p:Rid=Rid /p:OSName=OSName /p:GeneratePropsFile=true /t:WriteDynamicPropsToStaticPropsFiles" Importance="High" />
  </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 $([System.String]::new('%(_DownloadAndExtractItem.DownloadFileName)').EndsWith('.zip')) "
                               SourceArchive="%(_DownloadAndExtractItem.DownloadFileName)"
                               DestinationDirectory="%(_DownloadAndExtractItem.ExtractDestination)"
                               OverwriteDestination="$(OverwriteExtractionDestination)" />

    <TarGzFileExtractToDirectory Condition=" '%(_DownloadAndExtractItem.ExtractDestination)' != '' AND  $([System.String]::new('%(_DownloadAndExtractItem.DownloadFileName)').EndsWith('.tar.gz')) "
                               SourceArchive="%(_DownloadAndExtractItem.DownloadFileName)"
                               DestinationDirectory="%(_DownloadAndExtractItem.ExtractDestination)"
                               OverwriteDestination="$(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="$(PreviousStageDirectory)"
                   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="$(PreviousStageDirectory)"
                   ProjectPath="&quot;%(RestoreToolsPackagesInput.FullPath)&quot;"
                   AdditionalParameters="/p:UsePortableLinuxSharedFramework=$(UsePortableLinuxSharedFramework)" />

  </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>

  <Target Name="IsolateArtifactsFromDirectoryBuildFiles">
    <Copy SourceFiles="$(RepoRoot)TestAssets\Directory.Build.props"
          DestinationFolder ="$(RepoRoot)out"
          SkipUnchangedFiles="true" />
  </Target>

  <Target Name="CreatePropsForNextStage">
    <PropertyGroup>
     
      <NextStagePropsContent>
&lt;Project&gt;
    &lt;PropertyGroup&gt;
        &lt;PreviousStageDirectory&gt;$(OutputDirectory)&lt;/PreviousStageDirectory&gt;
        &lt;PreviousStageDotnet&gt;$(DotnetInOutputDirectory)&lt;/PreviousStageDotnet&gt;
        &lt;CliOuterBuildStage&gt;$(CliBuildStage)&lt;/CliOuterBuildStage&gt;
    &lt;/PropertyGroup&gt;
&lt;/Project&gt;
      </NextStagePropsContent>

      <ExistingNextStagePropsContent Condition=" Exists('$(NextStagePropsPath)') ">
        $([System.IO.File]::ReadAllText($(NextStagePropsPath)))
      </ExistingNextStagePropsContent>

      <ShouldOverwriteNextStagePropsFile>false</ShouldOverwriteNextStagePropsFile>
      <ShouldOverwriteNextStagePropsFile
        Condition=" '$(ExistingNextStagePropsContent.Trim())' != '$(NextStagePropsContent.Trim())' ">true</ShouldOverwriteNextStagePropsFile>
    </PropertyGroup>

    <WriteLinesToFile File="$(NextStagePropsPath)"
                  Lines="$(NextStagePropsContent)"
                  Condition=" '$(ShouldOverwriteNextStagePropsFile)' == 'true' "
                  Overwrite="true"  />
  </Target>

</Project>