eng/build/ZipPublish.targets

<Project>

  <ItemDefinitionGroup>
    <!-- Makes these properties referencable for all items in this group -->
    <ZipArtifact>
      <TargetPath></TargetPath>
      <TargetName></TargetName>
    </ZipArtifact>
  </ItemDefinitionGroup>

  <Target Name="PrepareZipArtifacts" AfterTargets="Publish">
    <PropertyGroup>
      <!-- By default, we zip to package output path (as this is the 'packed' publish artifact). -->
      <ZipArtifactsPath Condition="'$(ZipArtifactsPath)' == '' AND '$(ZipAfterPublish)' == 'true'">$(PackageOutputPath)</ZipArtifactsPath>
      <ZipArtifactsPath Condition="'$(ZipArtifactsPath)' != ''">$([MSBuild]::EnsureTrailingSlash('$(ZipArtifactsPath)'))</ZipArtifactsPath>
      <_RuntimeIdentifierWithPeriod Condition="'$(RuntimeIdentifier)' != ''">.$(RuntimeIdentifier.ToLowerInvariant())</_RuntimeIdentifierWithPeriod>
    </PropertyGroup>

    <!-- If no publish artifact is available, we will add the publish directory as a default. -->
    <ItemGroup Condition="'$(ZipArtifactsPath)' != '' AND '@(ZipArtifact)' == ''">
      <ZipArtifact Include="$(PublishDir)" TargetPath="$(ZipArtifactsPath)$(AssemblyName).$(Version)$(_RuntimeIdentifierWithPeriod).zip" />
    </ItemGroup>
  </Target>

  <!--
    Allows for zipping publish outputs:
    Zip with a pre-determined name/location:
    > `dotnet publish -p:ZipAfterPublish=true`
    Zip with a pre-determined name to the provided location
    > `dotnet publish -p:ZipArtifactsPath={some_directory}`
  -->
  <Target Name="ZipPublishArtifacts"
    AfterTargets="Publish"
    DependsOnTargets="PrepareZipArtifacts"
    Condition="'$(ZipArtifactsPath)' != '' AND '@(ZipArtifact)' != '' AND '$(IsCrossTargetingBuild)' != 'true' AND '$(IsPackable)' == 'true'">
    <ItemGroup Condition="'$(ZipArtifactsPath)' != ''">
      <ZipArtifact Condition="'%(TargetPath)' == '' AND '%(TargetName)' != ''">
        <TargetPath>$([MSBuild]::EnsureTrailingSlash('$(ZipArtifactsPath)'))%(TargetName)</TargetPath>
      </ZipArtifact>
    </ItemGroup>

    <!-- Get all parent directories we will be zipping artifacts to. So we can ensure they exist. -->
    <ItemGroup>
      <_ZipArtifactTargetPath Include="@(ZipArtifact->'%(TargetPath)')" />
      <_ZipArtifactTargetDirectories Include="@(_ZipArtifactTargetPath->'%(RootDir)%(Directory)'->Distinct())" />
    </ItemGroup>

    <Error Condition="'%(ZipArtifact.TargetPath)' == ''" Text="ZipArtifact %(Identity) has no TargetPath or TargetName (required)." />

    <MakeDir Directories="@(_ZipArtifactTargetDirectories)" /> <!-- Ensure parent directories exist. -->
    <Delete Files="@(ZipArtifact->'%(TargetPath)')" /> <!-- Delete any existing zip artifacts. -->
    <ZipDirectory SourceDirectory="@(ZipArtifact)" DestinationFile="%(TargetPath)" /> <!-- Generate zip artifacts. -->
  </Target>

</Project>