NuGetPackager

NuGetPackager.targets

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <PropertyGroup>
      <!-- Get Package Version from TFS BuildNumber if available, otherwise default to today's date -->
      <BuildVersion Condition=" '$(BuildVersion)' == '' And '$(TF_BUILD_BUILDNUMBER)' != ''">$(TF_BUILD_BUILDNUMBER.Substring($([MSBuild]::Add($(TF_BUILD_BUILDDEFINITIONNAME.Length), 1))))</BuildVersion>
      <BuildVersion Condition=" '$(BuildVersion)' == ''">$([System.DateTime]::Now.ToString(`yyMM.ddHH`))</BuildVersion>

      <MajorVersion Condition=" '$(MajorVersion)' == ''">1</MajorVersion>
      <PreReleaseVersion Condition=" '$(PreReleaseVersion)' == ''"></PreReleaseVersion>
      <PackageVersion Condition=" '$(PackageVersion)' == ''">$(MajorVersion).$(BuildVersion)</PackageVersion>
      <PackageVersion Condition=" '$(PreReleaseVersion)' != ''">$(PackageVersion)-$(PreReleaseVersion)</PackageVersion>
    </PropertyGroup>

  <PropertyGroup>
    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">$(MSBuildProjectDirectory)\..\</SolutionDir>

    <!-- Enable the restore command to run before builds -->
    <RestorePackages Condition="  '$(RestorePackages)' == '' ">true</RestorePackages>

    <!-- Property that enables building a package from a project -->
    <BuildPackage Condition=" '$(BuildPackage)' == '' ">false</BuildPackage>

    <!-- Determines if package restore consent is required to restore packages -->
    <RequireRestoreConsent Condition=" '$(RequireRestoreConsent)' != 'false' ">true</RequireRestoreConsent>

    <!-- Download NuGet.exe if it does not already exist -->
    <DownloadNuGetExe Condition=" '$(DownloadNuGetExe)' == '' ">false</DownloadNuGetExe>
  </PropertyGroup>

  <ItemGroup Condition=" '$(PackageSources)' == '' ">
    <!-- Package sources used to restore packages. By default, registered sources under %APPDATA%\NuGet\NuGet.Config will be used -->
    <!-- The official NuGet package source (https://www.nuget.org/api/v2/) will be excluded if package sources are specified and it does not appear in the list -->
    <!--
            <PackageSource Include="https://www.nuget.org/api/v2/" />
            <PackageSource Include="https://my-nuget-source/nuget/" />
        -->
  </ItemGroup>

  <PropertyGroup Condition=" '$(OS)' == 'Windows_NT'">
    <!-- Windows specific commands -->
    <NuGetToolsPath>$([System.IO.Path]::Combine($(SolutionDir), ".nuget"))</NuGetToolsPath>
  </PropertyGroup>

  <PropertyGroup Condition=" '$(OS)' != 'Windows_NT'">
    <!-- We need to launch nuget.exe with the mono command if we're not on windows -->
    <NuGetToolsPath>$(SolutionDir).nuget</NuGetToolsPath>
  </PropertyGroup>

  <PropertyGroup>
    <PackagesProjectConfig Condition=" '$(OS)' == 'Windows_NT'">$(MSBuildProjectDirectory)\packages.$(MSBuildProjectName.Replace(' ', '_')).config</PackagesProjectConfig>
    <PackagesProjectConfig Condition=" '$(OS)' != 'Windows_NT'">$(MSBuildProjectDirectory)\packages.$(MSBuildProjectName).config</PackagesProjectConfig>
  </PropertyGroup>

  <PropertyGroup>
    <PackagesConfig Condition="Exists('$(MSBuildProjectDirectory)\packages.config')">$(MSBuildProjectDirectory)\packages.config</PackagesConfig>
    <PackagesConfig Condition="Exists('$(PackagesProjectConfig)')">$(PackagesProjectConfig)</PackagesConfig>
  </PropertyGroup>

  <PropertyGroup>
    <!-- NuGet command -->
    <NuGetExePath Condition=" '$(NuGetExePath)' == '' ">$(NuGetToolsPath)\NuGet.exe</NuGetExePath>
    <PackageSources Condition=" $(PackageSources) == '' ">@(PackageSource)</PackageSources>

    <NuGetCommand Condition=" '$(OS)' == 'Windows_NT'">"$(NuGetExePath)"</NuGetCommand>
    <NuGetCommand Condition=" '$(OS)' != 'Windows_NT' ">mono --runtime=v4.0.30319 "$(NuGetExePath)"</NuGetCommand>

    <PackageOutputDir Condition="$(PackageOutputDir) == ''">$(OutDir.Trim('\\'))</PackageOutputDir>
    <PackageBasePath Condition="$(PackageBasePath) == ''">$(OutDir.Trim('\\'))</PackageBasePath>

    <RequireConsentSwitch Condition=" $(RequireRestoreConsent) == 'true' ">-RequireConsent</RequireConsentSwitch>
    <NonInteractiveSwitch Condition=" '$(VisualStudioVersion)' != '' AND '$(OS)' == 'Windows_NT' ">-NonInteractive</NonInteractiveSwitch>

    <PaddedSolutionDir Condition=" '$(OS)' == 'Windows_NT'">"$(SolutionDir) "</PaddedSolutionDir>
    <PaddedSolutionDir Condition=" '$(OS)' != 'Windows_NT' ">"$(SolutionDir)"</PaddedSolutionDir>

    <!-- Commands -->
    <RestoreCommand>$(NuGetCommand) install "$(PackagesConfig)" -source "$(PackageSources)"  $(NonInteractiveSwitch) $(RequireConsentSwitch) -solutionDir $(PaddedSolutionDir)</RestoreCommand>
    <BuildCommand Condition=" $(NuSpecFile) == '' ">$(NuGetCommand) pack "$(ProjectPath)" -Properties "Configuration=$(Configuration);Platform=$(Platform);TargetPath=$(OutDir)$(AssemblyName)$(TargetExt)" $(NonInteractiveSwitch) -OutputDirectory "$(PackageOutputDir)" -symbols -Version $(PackageVersion)</BuildCommand>
    <BuildCommand Condition=" $(NuSpecFile) != '' ">$(NuGetCommand) pack "$(NuSpecFile)" $(NonInteractiveSwitch) -BasePath "$(PackageBasePath)" -OutputDirectory "$(PackageOutputDir)" -Version $(PackageVersion)</BuildCommand>

    <!-- We need to ensure packages are restored prior to assembly resolve -->
    <BuildDependsOn Condition="$(RestorePackages) == 'true'">
      RestorePackages;
      $(BuildDependsOn);
    </BuildDependsOn>

    <!-- Make the build depend on restore packages -->
    <BuildDependsOn Condition="$(BuildPackage) == 'true'">
      $(BuildDependsOn);
      BuildPackage;
    </BuildDependsOn>
  </PropertyGroup>

  <Target Name="CheckPrerequisites">
    <!-- Raise an error if we're unable to locate nuget.exe  -->
    <Error Condition="'$(DownloadNuGetExe)' != 'true' AND !Exists('$(NuGetExePath)')" Text="Unable to locate '$(NuGetExePath)'" />
    <!--
        Take advantage of MsBuild's build dependency tracking to make sure that we only ever download nuget.exe once.
        This effectively acts as a lock that makes sure that the download operation will only happen once and all
        parallel builds will have to wait for it to complete.
        -->
    <MsBuild Targets="_DownloadNuGet" Projects="$(MSBuildThisFileFullPath)" Properties="Configuration=NOT_IMPORTANT;DownloadNuGetExe=$(DownloadNuGetExe)" />
  </Target>

  <Target Name="_DownloadNuGet">
    <DownloadNuGet OutputFilename="$(NuGetExePath)" Condition=" '$(DownloadNuGetExe)' == 'true' AND !Exists('$(NuGetExePath)')" />
  </Target>

  <Target Name="RestorePackages" DependsOnTargets="CheckPrerequisites">
    <Exec Command="$(RestoreCommand)"
          Condition="'$(OS)' != 'Windows_NT' And Exists('$(PackagesConfig)')" />

    <Exec Command="$(RestoreCommand)"
          LogStandardErrorAsError="true"
          Condition="'$(OS)' == 'Windows_NT' And Exists('$(PackagesConfig)')" />
  </Target>

  <Target Name="BuildPackage" DependsOnTargets="CheckPrerequisites">
    <Exec Command="$(BuildCommand)"
          Condition=" '$(OS)' != 'Windows_NT' " />

    <Exec Command="$(BuildCommand)"
          LogStandardErrorAsError="true"
          Condition=" '$(OS)' == 'Windows_NT' " />
  </Target>

  <UsingTask TaskName="DownloadNuGet" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll">
    <ParameterGroup>
      <OutputFilename 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 {
                    OutputFilename = Path.GetFullPath(OutputFilename);

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

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