ci.yml

name: CI

on:
  push:
    branches: [main]
  merge_group:
    types: [checks_requested]
  pull_request:
    branches: [main]

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  msrv:
    name: MSRV

    runs-on: ubunutu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0

      - name: Determine MSRV
        id: msrv
        uses: ./

    outputs:
      msrv: "${{ steps.msrv.outputs.msrv }}"

  build:
    needs: msrv

    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        toolchain:
          - { name: msrv, version: "${{ needs.msrv.outputs.msrv }}" }
          - { name: stable, version: stable }

    name: Test / ${{ matrix.toolchain.name }}

    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
        with:
          toolchain: ${{ matrix.toolchain.version }}

      - name: Test
        run: cargo build