# Enforce Conventional Commit pull request titles so git-cliff can group
# release notes. The PR is squash-merged, so the title becomes the commit.
name: PR title

on:
  pull_request:
    types: [opened, edited, synchronize, reopened]

permissions:
  contents: read
  pull-requests: read

jobs:
  lint:
    name: pr-title
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Validate title
        uses: amannn/action-semantic-pull-request@e32d7e603df1aa1ba07e981f2a23455dee596825 # v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          types: |
            feat
            fix
            docs
            refactor
            perf
            test
            build
            ci
            chore
            revert
          requireScope: false
          subjectPattern: ^(?![A-Z]).+$
          subjectPatternError: |
            The PR title subject must start in lowercase and must not end with a period.