# Run commitlint on the commit messasges in a pull request.

name: Lint Commit Messages

on:
  - pull_request

defaults:
  run:
    shell: bash

jobs:
  commitlint:
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Check for a local configuration file
        id: check
        run: |
          if [[ ! -f commitlint.config.js ]]; then
            echo "::set-output name=need::yes"
          fi

      - name: Download configuration if needed
        if: steps.check.outputs.need == 'yes'
        uses: wei/wget@v1
        with:
          args: -O commitlint.config.js https://raw.githubusercontent.com/edx/edx-lint/HEAD/edx_lint/files/commitlint.config.js

      - name: Run commitlint
        uses: wagoid/commitlint-github-action@v4
        with:
          helpURL: https://open-edx-proposals.readthedocs.io/en/latest/oep-0051-bp-conventional-commits.html