onebeyond/confabulous

name: Semantic Pull Request

on:
  pull_request_target:
    types:
      - opened
      - edited
      - synchronize

permissions:
  pull-requests: read

jobs:
  lint:
    name: Validate Pull Request title format
    runs-on: ubuntu-latest
    steps:
      - name: 🔐 Harden Runner
        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
        with:
          disable-sudo: true
          egress-policy: block
          allowed-endpoints: >
            api.github.com:443

      - name: 🔎 Validate Pull Request format
        uses: amannn/action-semantic-pull-request@e9fabac35e210fea40ca5b14c0da95a099eff26f # v5.4.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          # Configure additional validation for the subject based on a regex.
          # This ensures the subject doesn't start with an uppercase character.
          subjectPattern: ^(?![A-Z]).+$
          # If `subjectPattern` is configured, you can use this property to override
          # the default error message that is shown when the pattern doesn't match.
          # The variables `subject` and `title` can be used within the message.
          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.