This is a Github Action that ensures that your PR title matches the Conventional Commits spec.

This is helpful when you're using semantic-release with the Conventional Commits preset. When using the Squash and merge strategy, Github will suggest to use the PR title as the commit message. With this action you can validate that the PR title will lead to a correct commit message.

See Conventional Commits for sample titles.

Required Description of the status check if validation succeeds. Default "Title follows the specification.".

Required Description of the status check if validation fails. Default "Title does not follow the specification.".

Required Persistent status check context key. Default "conventional-pr-title".

true if the validation succeed. false otherwise.

name: Check PR title
on:
  pull_request:
    types:
      - opened
      - reopened
      - edited
      - synchronize

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: aslafy-z/conventional-pr-title-action@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

All thanks goes to amannn's semantic-pull-request action.