main.yml

name: CI

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  build_and_test:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: '3.12.1'
          architecture: 'x64'

      - name: Update pip, wheel, and setuptools
        run: pip install -U pip wheel setuptools

      - name: Setup the virtual environment
        run: |
          python -m venv .venv
          source .venv/bin/activate

      - name: Install dependencies
        run: pip install -e .[dev]

      - name: Run flake8
        run: flake8 src tests

      - name: Run tests
        run: |
          dbversion=$(createdb --version)
          pgversion=$(python -c "import re; print(re.compile(r'createdb \(\S+\ ([^\.]+)').match('${dbversion}').groups()[0])")
          export PATH=/usr/lib/postgresql/$pgversion/bin:$PATH

          which pg_ctl
          which createdb
          which pg_config

          coverage run -m pytest
          coverage report -m

      - name: Update Coverage Badge
        # GitHub actions: default branch variable
        # https://stackoverflow.com/questions/64781462/github-actions-default-branch-variable
        if: github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
        uses: tj-actions/coverage-badge-py@v2

      - name: Verify Changed files
        uses: tj-actions/verify-changed-files@v16
        id: verify-changed-files
        with:
          files: coverage.svg

      - name: Commit files
        if: steps.verify-changed-files.outputs.files_changed == 'true'
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add coverage.svg
          git commit -m "Updated coverage.svg"

      - name: Push changes
        if: steps.verify-changed-files.outputs.files_changed == 'true'
        uses: ad-m/github-push-action@master
        with:
          github_token: ${{ secrets.github_token }}
          branch: ${{ github.ref }}