[CI] Update the config and parse it in the cascade pipeline. (#11587)

tools/devops/automation/templates/build/configure.yml

@@ -25,6 +25,14 @@ steps:
       BuildId = "$(Build.BuildId)"
     }
 
+    # calculate the commit to later share it with the cascade pipelines 
+    if ($Env:BUILD_REASON -eq "PullRequest") {
+        $changeId = $configuration.BuildSourceBranch.Replace("refs/pull/", "").Replace("/merge", "")
+    } else {
+        $changeId = $Env:BUILD_REVISION
+    }
+
+    $configuration | Add-Member -NotePropertyName Commit -NotePropertyValue $changeId 
 
     Write-Host "buildReason: $($configuration.BuildReason)"
     Write-Host "buildSourceBranchName: $($configuration.BuildSourceBranchName)"

tools/devops/automation/templates/publish-html-result.yml

@@ -10,9 +10,24 @@ steps:
 - checkout: self
   persistCredentials: true
 
+# download the json that contains all the info that triggered this build
+- task: DownloadPipelineArtifact@2
+  displayName: Download configuration.json
+  inputs:
+    patterns: '**/configuration.json'
+    allowFailedBuilds: true
+    path: $(Build.SourcesDirectory)/build-configuration
+
 - pwsh: |
-    Write-Host "Work in progress"
+    $configFile =  Join-Path $(Build.SourcesDirectory) build-configuration
-  displayName: 'Remove logs'
+    $config = Get-Content $configFile | ConvertFrom-Json
+    # export variables to be present in the othe steps
+    Write-Host "##vso[task.setvariable variable=BuildSourceBranchName;isOutput=true]$($config.BuildSourceBranchName)"
+    Write-Host "##vso[task.setvariable variable=BuildSourceBranch;isOutput=true]$($config.BuildSourceBranch)"
+    Write-Host "##vso[task.setvariable variable=BuildId;isOutput=true]$($config.BuildId)"
+    Write-Host "##vso[task.setvariable variable=Commit;isOutput=true]$($config.Commit)"
+  name: configuration
+  displayName: 'Parse build configuration'
   timeoutInMinutes: 1
 
 - pwsh: |