Directory.Build.targets

<Project>
  <PropertyGroup>
    <GenerateRepositoryCommitUrlInDescription Condition="'$(GenerateRepositoryCommitUrlInDescription)'==''">true</GenerateRepositoryCommitUrlInDescription>
  </PropertyGroup>

  <Target Name="GetBuildNumber">
    <!-- Create second-based build number for local builds. 635556672000000000 is Jan 1, 2015. -->
    <PropertyGroup>
      <_SecondBasedTimeStamp>$([System.DateTime]::UtcNow.Subtract($([System.DateTime]::FromBinary(635556672000000000))).TotalSeconds.ToString("F0"))</_SecondBasedTimeStamp>
      <_SecondBasedTimeStamp>t$([System.Int64]::Parse($(_SecondBasedTimeStamp)).ToString("x9"))</_SecondBasedTimeStamp>
    </PropertyGroup>
    <Message Text="/p:BuildNumber=$(_SecondBasedTimeStamp)" Importance="High" />
  </Target>

  <Target Name="ResolveCommitHash" Condition="'$(RepositoryCommit)'==''">
    <ItemGroup>
      <_Temporary Remove="@(_Temporary)" />
    </ItemGroup>
    <PropertyGroup>
      <RepositoryCommit Condition="'$(APPVEYOR_REPO_COMMIT)' != ''">$(APPVEYOR_REPO_COMMIT)</RepositoryCommit>
      <RepositoryCommit Condition="'$(TRAVIS_COMMIT)' != ''">$(TRAVIS_COMMIT)</RepositoryCommit>
      <RepositoryCommit Condition="'$(CommitHash)' != ''">$(CommitHash)</RepositoryCommit>
    </PropertyGroup>

    <Exec Command="git log -n1 --format=%25%25H" Condition="'$(RepositoryCommit)' == ''" ConsoleToMsBuild="true">
      <Output ItemName="_Temporary" TaskParameter="ConsoleOutput" />
    </Exec>

    <PropertyGroup>
      <RepositoryCommit Condition="'$(RepositoryCommit)' == ''">$([System.String]::Copy('%(_Temporary.Identity)').Split(';')[0])</RepositoryCommit>
    </PropertyGroup>

    <ItemGroup>
      <_Temporary Remove="@(_Temporary)" />
    </ItemGroup>
  </Target>

  <Target Name="_AppendRepositoryCommitUrlToPackageDescriptionCore"
    Condition="'$(GenerateRepositoryCommitUrlInDescription)' == 'true' AND '$(RepositoryUrl)' !='' AND '$(RepositoryCommit)' != ''">
    <PropertyGroup>
      <PackageDescription>$(PackageDescription)
This package was built from the source at:
$(RepositoryUrl)/tree/$(RepositoryCommit)</PackageDescription>
    </PropertyGroup>
  </Target>

  <Target Name="_AppendRepositoryCommitUrlToPackageDescription" DependsOnTargets="ResolveCommitHash;_AppendRepositoryCommitUrlToPackageDescriptionCore" />
</Project>