name: ci

on:
  push:
    branches: [main]
  pull_request:
  workflow_dispatch:

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      # The runner image ships a Debian-managed Python (PEP 668), so installing
      # into it is refused and `pip install --upgrade pip` cannot replace the
      # distro pip. A venv sidesteps both, and costs a couple of seconds.
      - name: Set up a virtualenv
        run: |
          set -eu
          python3 --version
          python3 -m venv .venv || {
            apt-get update -qq
            apt-get install -y -qq python3-venv
            python3 -m venv .venv
          }
          .venv/bin/python -m pip install --quiet --upgrade pip

      - name: Install
        run: .venv/bin/python -m pip install --quiet -e ".[dev]"

      - name: Lint
        run: .venv/bin/python -m ruff check .

      - name: Test
        run: .venv/bin/python -m pytest -q

      - name: CLI is wired up
        run: |
          set -eu
          .venv/bin/lean-bench --help > /dev/null
          .venv/bin/lean-bench doctor --skip-llm --env /dev/null

  lean-project:
    # Cheap guard: the Lean project's pins must at least resolve.
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Resolve the Mathlib / toolchain pair
        run: |
          set -eu
          command -v curl >/dev/null || (apt-get update -qq && apt-get install -y -qq curl)
          command -v git >/dev/null || (apt-get update -qq && apt-get install -y -qq git)
          chmod +x docker/resolve-mathlib.sh
          docker/resolve-mathlib.sh lean "${MATHLIB_REV:-auto}"
          echo "toolchain: $(cat lean/lean-toolchain)"
          grep -E '^rev' lean/lakefile.toml