preliminary_test_conda.yaml

name: preliminary-ci-test-with-mambaforge

on:
  push:
    branches: [ dev ]

env:
  CACHE_NUMBER: 1  # increase to reset cache manually

jobs:
  build-linux:
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            label: linux-64
            prefix: /usr/share/miniconda3/envs/my-env
            python-version: 3.9

          - os: ubuntu-latest
            label: linux-64b
            prefix: /usr/share/miniconda3/envs/my-env
            python-version: '3.10'

    name: ${{ matrix.label }}
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - name: Setup Mambaforge
        uses: conda-incubator/setup-miniconda@v2
        with:
            miniforge-variant: Mambaforge
            miniforge-version: latest
            activate-environment: my-env
            use-mamba: true
            python-version: ${{ matrix.python-version }}

      - name: Set cache date
        run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV

      - uses: actions/cache@v2
        with:
          path: ${{ matrix.prefix }}
          key: ${{ matrix.label }}-conda-${{ hashFiles('environment.yaml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}
        id: cache

      - name: Update environment
        run: mamba env update -n my-env -f environment.yaml
        if: steps.cache.outputs.cache-hit != 'true'

      - name: Install Other Dependencies with PIP
        run: |
          python -m pip install --upgrade pip
          pip install flake8
      - name: Lint with flake8
        run: |
          # stop the build if there are Python syntax errors or undefined names
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics