Publish to dotnet/versions during official builds (#5003)

azure-pipelines.yml

@@ -39,6 +39,15 @@ variables:
         /p:SymbolPackagesUrl=$(_PublishBlobFeedUrl)
         /p:TransportFeedAccessToken=$(dotnetfeed-storage-access-key-1)
 
+    - name: _DotNetVersionsArgs
+      value: >-
+        /p:GitHubUser=dotnet-build-bot
+        /p:GitHubEmail=dotnet-build-bot@microsoft.com
+        /p:GitHubAuthToken=$(AccessToken-dotnet-build-bot-public-repo)
+        /p:VersionsRepoOwner=dotnet
+        /p:VersionsRepo=versions
+        /p:VersionsRepoPath=build-info/dotnet/core-setup/$(FullBranchName)
+
     # Symbol Server update
     - name: _SymbolServerPath
       value: https://microsoftpublicsymbols.artifacts.visualstudio.com/DefaultCollection

eng/jobs/finalize-publish.yml

@@ -58,6 +58,18 @@ jobs:
       continueOnError: false
       condition: and(succeeded(), in(variables['SignType'], 'real', 'test'))
 
+    - powershell: |
+        $prefix = "refs/heads/"
+        $branch = "$(Build.SourceBranch)"
+        $branchName = $branch
+        if ($branchName.StartsWith($prefix))
+        {
+          $branchName = $branchName.Substring($prefix.Length)
+        }
+        Write-Host "For Build.SourceBranch $branch, FullBranchName is $branchName"
+        Write-Host "##vso[task.setvariable variable=FullBranchName;]$branchName"
+      displayName: Find true SourceBranchName
+
     - task: MSBuild@1
       displayName: Publish (no PublishType)
       inputs: 
@@ -73,6 +85,7 @@ jobs:
         /p:StabilizePackageVersion=$(IsStable) 
         /p:TargetArchitecture=x64
         $(_BlobFeedArgs) 
+        $(_DotNetVersionsArgs)
         $(_CommonPublishArgs) 
         $(_NugetFeedArgs) 
         $(_SymbolServerArgs) 

publish/publish.proj

@@ -32,7 +32,7 @@
 
   <Target Name="PublishFinalOutput"
           Condition="'$(Finalize)' == 'true'"
-          DependsOnTargets="PublishCoreHostPackages;SetupPublishSymbols;PublishSymbols;FinalizeBuildInAzure" />
+          DependsOnTargets="PublishCoreHostPackages;SetupPublishSymbols;PublishSymbols;FinalizeBuildInAzure;UpdateVersionsRepo" />
 
   <Target Name="GetPackagesToSign" DependsOnTargets="GatherShippingPackages">
     <ItemGroup>