Merge pull request #16 from dotnet/base_install_microbuild

Let base.yml install the Microbuild plugin

Author: Livar

eng/build.yml

@@ -8,22 +8,20 @@ phases:
   parameters:
     name: ${{ parameters.agentOs }}
     enableTelemetry: true
+    enableMicrobuild: true
     publicBuildReasons: PullRequest
     queue: ${{ parameters.queue }}
     variables: 
       ${{ insert }}: ${{ parameters.variables }}
+      _HelixType: build/product
+      _HelixBuildConfig: $(_BuildConfig)
+      ${{ if eq(variables['Build.Reason'], 'PullRequest') }}:
+        _HelixSource: pr/dotnet/dotnet-cli-archiver/$(Build.SourceBranch)
       ${{ if ne(variables['Build.Reason'], 'PullRequest') }}:
-        _HelixType: build/product
-        _HelixBuildConfig: $(_BuildConfig)
         _HelixSource: official/dotnet/dotnet-cli-archiver/$(Build.SourceBranch)
 
     steps:
     - ${{ if ne(variables['Build.Reason'], 'PullRequest') }}:
-      - task: ms-vseng.MicroBuildTasks.30666190-6959-11e5-9f96-f56098202fef.MicroBuildSigningPlugin@1
-        displayName: Install Signing Plugin
-        inputs:
-          signType: '$(_SignType)'
-        condition: and(succeeded(), in(variables['_SignType'], 'real', 'test'))
       - task: AzureKeyVault@1
         inputs:
           azureSubscription: 'DotNet-Engineering-Services_KeyVault'
@@ -93,7 +91,3 @@ phases:
           publishLocation: FilePath
           TargetPath: '$(DropRoot)\$(TeamName)\$(Build.DefinitionName)'
         condition: and(succeededOrFailed(), in(variables['_PublishType'], 'drop', 'blob'))
-
-      - task: ms-vseng.MicroBuildTasks.521a94ea-9e68-468a-8167-6dcf361ea776.MicroBuildCleanup@1
-        displayName: Perform Cleanup Tasks
-        condition: always()