maintenance.yml

name: Maintenance
on:
  workflow_run:
    workflows: ["Python tests"]
    branches: [develop]
    types:
      - completed

jobs:
  get-environment:
    if: ${{ (github.event.workflow_run.conclusion == 'success') && !startsWith(github.event.workflow_run.head_commit.message, 'Automated maintenance') }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [
          windows-latest,
          macos-latest,
          ubuntu-latest
        ]
    defaults:
      run:
        shell: bash -l {0}  # Required for conda commands.

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        submodules: recursive
    - name: Set up Python
      uses: conda-incubator/setup-miniconda@v2
    - name: Install dependencies
      run: |
        conda create -n cobmo -c conda-forge python=3.8 contextily cvxpy numpy pandas scipy
        conda activate cobmo
        pip install -e .[tests]
    - name: Get new environment-${{ matrix.os }}.yml
      run: |
        rm -f environment-*
        conda env export -n cobmo --no-builds | grep -v "^prefix: " > environment-${{ matrix.os }}.yml
    - name: Store environment-${{ matrix.os }}.yml
      uses: actions/upload-artifact@v2
      with:
        name: environment-${{ matrix.os }}.yml
        path: environment-${{ matrix.os }}.yml

  run-maintenance:
    needs: get-environment
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash -l {0}

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        token: ${{ secrets.MESMO_BOT_PAT }}
    - name: Remove old environment files
      run: |
        rm -f environment-*
    - name: Get cached environment-windows-latest.yml
      uses: actions/download-artifact@v2
      with:
        name: environment-windows-latest.yml
    - name: Get cached environment-macos-latest.yml
      uses: actions/download-artifact@v2
      with:
        name: environment-macos-latest.yml
    - name: Get cached environment-ubuntu-latest.yml
      uses: actions/download-artifact@v2
      with:
        name: environment-ubuntu-latest.yml
    - name: Run automatic code formatting
      uses: psf/black@stable
      with:
        options: "--line-length 120"
        # For future reference: Exclude submodules if this runs too long.
    - name: Commit changes
      uses: stefanzweifel/git-auto-commit-action@v4
      with:
        commit_message: Automated maintenance for ${{ github.sha }}
        commit_user_name: MESMO Bot
        commit_user_email: bot@mesmo.dev