.github/workflows/merge-conflict-checker.yml

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name: "PR Merge Conflict Check"
on:
  push:
  pull_request_target:
    types: [synchronize]

permissions:  # added using https://github.com/step-security/secure-workflows
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  triage:
    permissions:
      pull-requests: write  # for eps1lon/actions-label-merge-conflict to label PRs
    runs-on: ubuntu-22.04
    steps:
    - name: Conflict Check
      uses: eps1lon/actions-label-merge-conflict@v2.0.0
      with:
        repoToken: "${{ secrets.GITHUB_TOKEN }}"
        dirtyLabel: "status:has-conflicts"
        removeOnDirtyLabel: "status:ready-for-review"
        continueOnMissingPermissions: true
        commentOnDirty: "This pull request has merge conflicts. Dear author, please fix the conflicts and sync your branch with the base branch."