name: CI

env:
  CARGO_TERM_VERBOSE: true
  RUSTDOCFLAGS: -Dwarnings
  RUSTFLAGS: -Dwarnings

on:
  pull_request:
  push:
    branches:
      - master

jobs:
  test:
    name: Tests
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        channel:
          - stable
          - nightly
          - 1.85.0 # MSRV of test dependencies
        os:
          - macos-26
          - macos-26-intel
          - windows-2025
          - ubuntu-26.04
        include:
          - channel: beta
            os: ubuntu-26.04

    steps:
    - name: Checkout repository
      uses: actions/checkout@v7
    - run: rustup default ${{ matrix.channel }} && rustup update --no-self-update
    - run: cargo test --all

  clippy:
    name: Clippy
    runs-on: ubuntu-26.04
    steps:
    - name: Checkout repository
      uses: actions/checkout@v7

    - name: Update rust
      run: |
        # use beta since it gives us near-latest fixes but isn't as volatile as nightly
        rustup default beta
        rustup component add clippy
        rustup update --no-self-update
    - run: cargo clippy --all -- -Aclippy::while_let_loop

  msrv:
    name: Check building with the MSRV
    runs-on: ubuntu-26.04
    env:
      RUSTFLAGS: "" # No need to check warnings on old MSRV, clear `-Dwarnings`
    steps:
    - name: Checkout repository
      uses: actions/checkout@v7
    - run: |
        msrv="$(
          cargo metadata --format-version 1 |
          jq -r --arg CRATE_NAME glob '.packages | map(select((.name == $CRATE_NAME) and (.id | startswith("path+file")))) | first | .rust_version'
        )"
        echo "MSRV: $msrv"
        echo "MSRV=$msrv" >> "$GITHUB_ENV"
    - name: Install Rust
      run: rustup update "$MSRV" --no-self-update && rustup default "$MSRV"
    - run: cargo build -p glob

  rustfmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@master
    - name: Install Rust
      run: |
        rustup default nightly
        rustup update --no-self-update
        rustup component add rustfmt
    - run: cargo fmt -- --check

  success:
    needs:
      - test
      - clippy
      - msrv
      - rustfmt
    runs-on: ubuntu-latest
    # GitHub branch protection is exceedingly silly and treats "jobs skipped because a dependency
    # failed" as success. So we have to do some contortions to ensure the job fails if any of its
    # dependencies fails.
    if: always() # make sure this is never "skipped"
    steps:
      # Manually check the status of all dependencies. `if: failure()` does not work.
      - name: check if any dependency failed
        run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'