ci.yml

---
name: Pi-Bot CI

# yamllint disable-line rule:truthy
on:
  [push, workflow_dispatch]

env:
  # Cache version to control pre-commit caches
  CACHE_VERSION: 0
  # 3.9 is recent enough
  DEFAULT_PYTHON: 3.10.11
  # Location of the pre-commit cache. This is set by pre-commit, not us!
  PRE_COMMIT_CACHE: ~/.cache/pre-commit

# Cancels previous runs targeting the same hash
concurrency:
  group: >
    ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3.0.2

      - name: Setup Python
        uses: actions/setup-python@v4.1.0
        with:
          python-version: ${{ env.DEFAULT_PYTHON}}
          cache: "pip"

      - name: Generate pre-commit cache key
        id: pre-commit_cache_key
        run: >
          echo "::set-output
          name=key::${{ env.CACHE_VERSION }}-${{ env.DEFAULT_PYTHON }}-${{
          hashFiles('.pre-commit-config.yaml') }}"

      - name: Install pre-commit
        run: |
          pip install --upgrade pip
          pip install "$(cat requirements_test.txt | grep pre-commit)"

      - name: Restore base pre-commit environment
        id: cache-pre-commmit
        uses: actions/cache@v3.0.4
        with:
          path: ${{ env.PRE_COMMIT_CACHE }}
          key: >
            ${{ runner.os
            }}-pre-commit-${{
            steps.pre-commit_cache_key.outputs.key }}

      - name: Install pre-commit dependencies if no cache
        if: steps.cache-pre-commit.outputs.cache-hit != 'true'
        run: |
          pre-commit install-hooks

      - name: Install hadolint
        run: >
          sudo wget -O
          /bin/hadolint
          https://github.com/hadolint/hadolint/releases/download/v2.10.0/hadolint-Linux-x86_64

          sudo chmod +x /bin/hadolint

      - name: Run hooks
        run: >
          SKIP=no-commit-to-branch
          pre-commit run --all-files --show-diff-on-failure