ci-code-style.yml

name: CI Code Style
on:
    pull_request:
        branches: main
    push:
        branches: main
    workflow_dispatch:

# Limit concurrently running workflow for a specific pull request.
# Cancel and resubmit if a new push is made. See GitHub docs:
# https://docs.github.com/en/actions/how-tos/write-workflows/choose-when-workflows-run/control-workflow-concurrency
concurrency:
    group: ${{ github.workflow }}-${{ github.ref }}
    cancel-in-progress: true
jobs:
    code-style:
        name: Run code style checks
        runs-on: ubuntu-24.04
        steps:
            - name: Checkout
              uses: actions/checkout@v4

            - name: Setup python environment
              uses: mamba-org/setup-micromamba@v2
              with:
                environment-file: environment.lock
                environment-name: ci-env
                cache-environment: true

            - name: Run black
              id: black
              run: black --check .
              shell: micromamba-shell {0}
              continue-on-error: true

            - name: Run isort
              id: isort
              run: isort --check .
              shell: micromamba-shell {0}
              continue-on-error: true

            - name: Run flake8
              id: flake8
              run: flake8 --max-line-length 88 --extend-ignore E203
              shell: micromamba-shell {0}
              continue-on-error: true

            - name: Collect failures
              if: |
                steps.black.outcome == 'failure' ||
                steps.isort.outcome == 'failure' ||
                steps.flake8.outcome == 'failure'
              env:
                BLACK_OUTCOME: ${{ steps.black.outcome }}
                ISORT_OUTCOME: ${{ steps.isort.outcome }}
                FLAKE8_OUTCOME: ${{ steps.flake8.outcome }}
              run: |
                echo "One or more code style checks failed:"
                echo "black: $BLACK_OUTCOME"
                echo "isort: $ISORT_OUTCOME"
                echo "flake8: $FLAKE8_OUTCOME"
                echo "See the logs for the failed checks for more details"
                exit 1