lint-pr-title.yml

name: "Lint PR"

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

permissions:
  pull-requests: read

jobs:
  main:
    name: Validate PR title
    runs-on: ubuntu-latest
    steps:
      # Please look up the latest version from
      # https://github.com/amannn/action-semantic-pull-request/releases
      - uses: amannn/action-semantic-pull-request@c3cd5d1ea3580753008872425915e343e351ab54
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          # Configure which types are allowed.
          # Default: https://github.com/commitizen/conventional-commit-types
          types: |
            chore
            feat
            fix
          # Configure additional validation for the subject based on a regex.
          # This example ensures the subject doesn't start with an uppercase character.
          subjectPattern: ^(?![A-Z]).+$
          # 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.
          # When using "Squash and merge" on a PR with only one commit, GitHub
          # will suggest using that commit message instead of the PR title for the
          # merge commit, and it's easy to commit this by mistake. Enable this option
          # to also validate the commit message for one commit PRs.
          validateSingleCommit: true