validate-pr-title.yml

name: Validate PR Title

on:
  pull_request_target:
    types:
      - opened
      - edited
      - synchronize
  push:
    branches:
      - release-please-* # Trigger for release-please PRs, but skip the job
  merge_group: # Trigger in the merge queue, but skip the job

jobs:
  validate-pr-title:
    if: github.event_name == 'pull_request_target'
    runs-on: [taiko-runner]
    steps:
      - uses: amannn/action-semantic-pull-request@v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          # Non-package scopes explained:
          # - repo: The repository itself (not a specific package)
          # - main: For release-please PRs
          # - deps: For dependabot dependency update PRs
          # - deps-dev: For dependabot devDependency update PRs
          scopes: |
            repo
            main
            deps
            deps-dev
            blobstorage
            branding
            bridge-ui
            eventindexer
            fork-diff
            guardian-prover-health-check
            guardian-prover-health-check-ui
            protocol
            relayer
          requireScope: true
          subjectPattern: ^(?![A-Z]).+$ # Require lowercase PR title
          subjectPatternError: |
            The subject "{subject}" found in the pull request title "{title}"
            didn't match the configured pattern. Please ensure that the subject
            doesn't start with an uppercase character.