name: CI

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule: [cron: "40 1 * * *"]

permissions:
  contents: read

env:
  RUSTFLAGS: -Dwarnings

jobs:
  pre_ci:
    uses: dtolnay/.github/.github/workflows/pre_ci.yml@master

  test:
    name: Rust ${{matrix.rust}}
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        rust: [nightly, beta, stable, 1.62.0]
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust}}
      - run: cargo check
      - run: cargo check --features verbatim
      - run: cargo test
        env:
          RUSTFLAGS: ${{env.RUSTFLAGS}} ${{matrix.rust == 'nightly' && '--cfg exhaustive' || ''}}
      - run: cargo test --release --test test_precedence
        env:
          RUSTFLAGS: ${{env.RUSTFLAGS}} ${{matrix.rust == 'nightly' && '--cfg exhaustive' || ''}}
        if: matrix.rust != '1.62.0'
      - uses: actions/upload-artifact@v4
        if: matrix.rust == 'nightly' && always()
        with:
          name: Cargo.lock
          path: Cargo.lock
        continue-on-error: true

  examples:
    name: Examples
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: llvm-tools, rustc-dev, rustfmt
      - run: cargo run --manifest-path examples/update/Cargo.toml
      - run: git diff --exit-code
      - run: cargo run --manifest-path cargo-expand/update/Cargo.toml
      - run: git diff --exit-code

  fuzz:
    name: Fuzz
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - uses: dtolnay/install@cargo-fuzz
      - run: cargo fuzz check

  minimal:
    name: Minimal versions
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - run: cargo generate-lockfile -Z minimal-versions
      - run: cargo check --locked

  doc:
    name: Documentation
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    env:
      RUSTDOCFLAGS: -Dwarnings
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - uses: dtolnay/install@cargo-docs-rs
      - run: cargo docs-rs

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@clippy
      - run: cargo clippy --features verbatim -- -Dclippy::all -Dclippy::pedantic

  outdated:
    name: Outdated
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: dtolnay/install@cargo-outdated
      - run: cargo outdated --workspace --exit-code 1