_lint.yml

name: lint

on:
  workflow_call:
    inputs:
      working-directory:
        required: true
        type: string
        description: "From which folder this pipeline executes"

env:
  WORKDIR: ${{ inputs.working-directory == '' && '.' || inputs.working-directory }}

  # This env var allows us to get inline annotations when ruff has complaints.
  RUFF_OUTPUT_FORMAT: github

jobs:
  build:
    name: "run lint #${{ matrix.python-version }}"
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        # Only lint on the min and max supported Python versions.
        # It's extremely unlikely that there's a lint issue on any version in between
        # that doesn't show up on the min or max versions.
        #
        # GitHub rate-limits how many jobs can be running at any one time.
        # Starting new jobs is also relatively slow,
        # so linting on fewer versions makes CI faster.
        python-version:
          - "3.9"
          - "3.12"
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false
      - name: Install uv
        uses: astral-sh/setup-uv@v5
        with:
          enable-cache: true
          python-version: ${{ matrix.python-version }}
          cache-dependency-glob: "${{ inputs.working-directory }}/uv.lock"

      - uses: extractions/setup-just@v2

      - name: Install dependencies
        working-directory: ${{ inputs.working-directory }}
        run: just install

      - name: Get .mypy_cache to speed up mypy
        uses: actions/cache@v4
        env:
          SEGMENT_DOWNLOAD_TIMEOUT_MIN: "2"
        with:
          path: |
            ${{ env.WORKDIR }}/.mypy_cache
          key: mypy-lint-${{ runner.os }}-${{ runner.arch }}-py${{ matrix.python-version }}-${{ inputs.working-directory }}-${{ hashFiles(format('{0}/uv.lock', inputs.working-directory)) }}


      - name: Analysing the code with our lint
        working-directory: ${{ inputs.working-directory }}
        run: just lint