azure-pipelines-mirror-within-azdo.yml

# Configure which branches trigger builds
trigger:
  batch: true
  branches:
    include:
    - internal/release/6.0

parameters:
# Run the pipeline manually (usually disallowed)
- name: manualRun
  default: false
  displayName: Are you sure you want to run this pipeline manually?
  type: boolean

variables:
  - group: Mirror-Credentials

# Merges code from one AzDO branch into another
jobs:
- ${{ if and(contains(variables['Build.SourceBranch'], 'internal'), or(eq(variables['Build.Reason'], 'BatchedCI'), eq(parameters.manualRun, 'true'))) }}:
  - template: /eng/common/templates/jobs/jobs.yml
    parameters:
      enableTelemetry: true
      helixRepo: dotnet/aspnetcore
      jobs:
      - job: Merge_Azure_DevOps_Branches
        enableSBOM: false
        pool:
          name: NetCore1ESPool-Internal
          demands: ImageOverride -equals 1es-windows-2019
        variables:
        - name: WorkingDirectoryName
          value: repo-dir
        - name: AzdoRepo
          value: dotnet-aspnetcore
        steps:
        - powershell: |
            $branch = "$(Build.SourceBranch)".Replace("refs/heads/", "");
            $suffix = "-nonstable"
            Write-Host "##vso[task.setvariable variable=BranchToMirror]$branch"
            Write-Host "##vso[task.setvariable variable=TargetBranchName]$branch$suffix"
          displayName: Calculate Mirrored Branch Names
        - script: |
            git clone https://dn-bot:$(dn-bot-dnceng-build-rw-code-rw)@dev.azure.com/dnceng/internal/_git/$(AzdoRepo) $(WorkingDirectoryName) --recursive --no-tags --branch $(TargetBranchName)
          displayName: Clone AzDO repo
        - script: |
            git -c user.email="dotnet-bot@microsoft.com" -c user.name="dotnet-bot" merge origin/$(BranchToMirror) -m "Merge in '$(BranchToMirror)' changes"
          displayName: Merge head branch to target branch
          workingDirectory: $(WorkingDirectoryName)
        - script: |
            git push origin $(TargetBranchName)
          displayName: Push changes to Azure DevOps repo
          workingDirectory: $(WorkingDirectoryName)

        - task: PowerShell@1
          displayName: Broadcast target, branch, commit in metadata
          continueOnError: true
          condition: always()
          inputs:
            scriptType: inlineScript
            arguments: '$(BranchToMirror)'
            workingDirectory: $(WorkingDirectoryName)
            inlineScript: |
              param([string]$branch)

              $commit = (git rev-parse HEAD).Substring(0, 7)
              $target = "$branch".Replace('/', ' ')

              Write-Host "##vso[build.updatebuildnumber]$target $commit"
              Write-Host "##vso[build.addbuildtag]$target"