commitlint.yml

# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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# SPDX-License-Identifier: Apache-2.0

name: Commit Lint

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

jobs:
  commitlint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repo
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '20'

      - name: Install commitlint
        run: |
          npm install --save-dev @commitlint/cli @commitlint/config-conventional

      - name: Validate PR title (used as squash commit message)
        env:
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          echo "$PR_TITLE" | npx commitlint

      - name: Validate commits
        run: |
          npx commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }} --verbose