lint_pr_title.yml

#/
# @license Apache-2.0
#
# Copyright (c) 2024 The Stdlib Authors.
#
# 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.
#/

# Workflow name:
name: lint_pr_title

# Workflow triggers:
on:
  pull_request:
    types:
      - synchronize
      - opened
      - reopened

# Global permissions:
permissions:
  # Allow read-only access to the repository contents:
  contents: read

# Workflow jobs:
jobs:

  # Define a job for linting PR titles...
  lint_pr_title:

    # Define a display name:
    name: 'Lint PR title'

    # Define the type of virtual host machine:
    runs-on: ubuntu-latest

    # Set defaults:
    defaults:
      run:
        # Set the default shell to `bash`:
        shell: bash --noprofile --norc -eo pipefail {0}

    # Define the sequence of job steps...
    steps:

      # Checkout the repository:
      - name: 'Checkout repository'
        # Pin action to full length commit SHA
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          # Specify whether to remove untracked files before checking out the repository:
          clean: false

          # Limit clone depth to the most recent 100 commits:
          fetch-depth: 100

          # Specify whether to download Git-LFS files:
          lfs: false
        timeout-minutes: 10

      # Install Node.js:
      - name: 'Install Node.js'
        # Pin action to full length commit SHA
        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
        with:
          node-version: '20' # 'lts/*'
        timeout-minutes: 5

      # Perform install sequence (accounting for possible network failures, etc, when installing node module dependencies):
      - name: 'Perform install sequence'
        run: |
          make install-node-modules || make install-node-modules || make install-node-modules
        timeout-minutes: 30

      # Perform linting:
      - name: 'Perform linting'
        run: |
          echo "Pull request titles should follow stdlib's Git commit message conventions."
          echo "Linting pull request title..."
          make lint-commit-message GIT_COMMIT_MESSAGE='${{ github.event.pull_request.title }}'
        timeout-minutes: 5