linter.yml

name: staged-recipes linter

on:
  # this workflow requires access to a read-only github token
  # and potentially runs untrusted code via python's `eval`
  # thus we can only run it on pull_request events so that the
  # the token does not have any write permissions
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - labeled
      - unlabeled

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  linter:
    name: linter
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash -leo pipefail {0}

    steps:
      - name: checkout code
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332

      - name: install code
        uses: mamba-org/setup-micromamba@f8b8a1e23a26f60a44c853292711bacfd3eac822
        with:
          environment-name: lint
          condarc: |
            show_channel_urls: true
            channel_priority: strict
            channels:
              - conda-forge
          create-args: >-
            conda-smithy
            pygithub
            requests

      - name: lint
        run: |
          python .github/workflows/scripts/linter.py \
            --owner=${{ github.repository_owner }} \
            --pr-num=${{ github.event.number }} \
          >> $GITHUB_STEP_SUMMARY
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}