name: Build and Release

on:
  pull_request:
  push:
    branches:
      - "**"

jobs:
  actionlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Download actionlint
        run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
        shell: bash
      - name: Check workflow files
        run: ./actionlint -color
        shell: bash

  lint-cruft:
    name: Check if automatic project update was successful
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Fail if .rej files exist as structure update was not successful
        run: test -z "$(find . -iname '*.rej')"

  pre-commit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: ./.github/actions/python-poetry-env
      - run: make pre-commit

  test:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: [ "3.7", "3.8", "3.9" ]
    steps:
      - uses: actions/checkout@v2
      - uses: ./.github/actions/python-poetry-env
        with:
          python-version: ${{ matrix.python-version }}
      - run: make tests

  release:
    if: "startsWith(github.event.head_commit.message, 'bump:')"
    needs: test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: ./.github/actions/python-poetry-env
      - name: Get latest version
        id: latest_version
        shell: bash
        run: |
          version=$(poetry version --short)
          echo ::set-output name="version::$version"
      - name: Changelog
        id: changelog
        shell: bash
        run: |
          VERSION=${{ steps.latest_version.outputs.version }}
          body=$(sed -n '/^## '$VERSION'/,/^##.*)$/p' CHANGELOG.md | sed '$d')
          body="${body//'%'/'%25'}"
          body="${body//$'\n'/'%0A'}"
          body="${body//$'\r'/'%0D'}"
          echo ::set-output name="body::$body"
      - name: Create release
        uses: softprops/action-gh-release@v0.1.14
        env:
          GITHUB_TOKEN: ${{ secrets.PERSONAL_GH_TOKEN }}
        with:
          tag_name: ${{ steps.latest_version.outputs.version }}
          name: Release ${{ steps.latest_version.outputs.version }}
          body: ${{ steps.changelog.outputs.body }}
          generate_release_notes: true