name: Linting libpng

on:
  push:
    branches:
      - libpng16
  pull_request:
    branches:
      - libpng16

jobs:
  lint:
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Set up the cache
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/pip.txt') }}
          restore-keys: ${{ runner.os }}-pip-
      - name: Install yamllint
        run: pip install yamllint
      - name: Check out the code
        uses: actions/checkout@v4
      - name: Run the linting script
        run: bash ./ci/ci_lint.sh