name: Build
on:
  pull_request:
  push:
    branches:
      - master
  merge_group:
  schedule:
    - cron: "00 01 * * *"

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

permissions:
  contents: read

env:
  MSRV: "1.90"
  # This key can be changed to bust the cache of tree-sitter grammars.
  GRAMMAR_CACHE_VERSION: ""

jobs:
  check:
    name: Check (msrv)
    runs-on: ubuntu-latest
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    steps:
      - name: Checkout sources
        uses: actions/checkout@v7

      - uses: ./.github/actions/rust-setup
        with:
          toolchain: ${{ env.MSRV }}
          cache-key: build

      - name: Run cargo check
        run: cargo check

  test:
    name: Test Suite
    runs-on: ${{ matrix.os }}
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    timeout-minutes: 30
    env:
      RUST_BACKTRACE: 1
      HELIX_LOG_LEVEL: info
    steps:
      - name: Checkout sources
        uses: actions/checkout@v7

      - uses: ./.github/actions/rust-setup
        with:
          toolchain: ${{ env.MSRV }}
          cache-key: build
          cache-grammars: 'true'
          grammar-cache-version: ${{ env.GRAMMAR_CACHE_VERSION }}

      - name: Run cargo test
        run: cargo test --workspace

      - name: Run cargo integration-test
        run: cargo integration-test

    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest, ubuntu-24.04-arm, windows-11-arm]

  lints:
    name: Lints
    runs-on: ubuntu-latest
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    steps:
      - name: Checkout sources
        uses: actions/checkout@v7

      - uses: ./.github/actions/rust-setup
        with:
          toolchain: ${{ env.MSRV }}
          components: rustfmt, clippy
          cache-key: build

      - name: Run cargo fmt
        run: cargo fmt --all --check

      - name: Run cargo clippy
        run: cargo clippy --workspace --all-targets -- -D warnings

      - name: Run cargo doc
        run: cargo doc --no-deps --workspace --document-private-items
        env:
          RUSTDOCFLAGS: -D warnings

  docs:
    name: Grammar Lint
    runs-on: ubuntu-latest
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    steps:
      - name: Checkout sources
        uses: actions/checkout@v7

      - uses: ./.github/actions/rust-setup
        with:
          toolchain: ${{ env.MSRV }}
          cache-key: build
          cache-grammars: 'true'
          grammar-cache-version: ${{ env.GRAMMAR_CACHE_VERSION }}

      - name: Validate queries
        if: always()
        run: cargo xtask query-check

      - name: Validate indents
        if: always()
        run: cargo xtask indent-check

      - name: Validate highlights
        if: always()
        run: cargo xtask highlight-check

      - name: Validate themes
        if: always()
        run: cargo xtask theme-check

      - name: Generate docs
        if: always()
        run: cargo xtask docgen

      - name: Check uncommitted documentation changes
        if: always()
        run: |
          git diff
          git diff-files --quiet \
            || (echo "Run 'cargo xtask docgen', commit the changes and push again" \
            && exit 1)