auto_cherry_pick.yml

# CI stages to execute against all branches on PR merge
name: auto_cherry_pick_commits

on:
  pull_request_target:
    types:
      - closed

jobs:
  previous-branch:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'CherryPick')
    name: Calculate previous branch name
    runs-on: ubuntu-latest
    outputs:
      previous_branch: ${{ steps.set-branch.outputs.previous_branch }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - id: set-branch
        run: echo "::set-output name=previous_branch::$(if [ $GITHUB_BASE_REF  == 'master' ]; then echo $(git branch -rl --sort=-authordate 'origin/6.*.z' --format='%(refname:lstrip=-1)' | head -n1 | jq -cnR '[inputs | select(length>0)]'); else echo ['"6.'$(($(echo $GITHUB_BASE_REF | cut -d. -f2) - 1))'.z"']; fi)"

  auto-cherry-pick:
    name: Auto Cherry Pick to previous branch
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'CherryPick')
    needs: previous-branch
    runs-on: ubuntu-latest
    strategy:
      matrix:
        to_branch: ${{ fromJson(needs.previous-branch.outputs.previous_branch) }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Cherry pick into ${{ matrix.to_branch }}
        uses: jyejare/github-cherry-pick-action@main
        with:
          branch: ${{ matrix.to_branch }}
          labels: |
            Auto_Cherry_Picked