name: CI

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

permissions:
  contents: read

jobs:
  install:
    name: Rust ${{matrix.rust}} on ${{matrix.os == 'ubuntu' && 'Linux' || matrix.os == 'macos' && 'macOS' || matrix.os == 'windows' && 'Windows' || '???'}}
    runs-on: ${{matrix.os}}-latest
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu, macos, windows]
        rust: [nightly, beta, stable, 1.62.0, stable 18 months ago, stable minus 8 releases]
        include:
          - os: ubuntu
            rust: 1.0.0
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v3
      - uses: ./
        name: Run dtolnay/rust-toolchain${{contains(matrix.rust, ' ') && ' for ' || '@'}}${{matrix.rust}}
        id: toolchain
        with:
          toolchain: ${{matrix.rust}}
      - name: echo ${{'${{steps.toolchain.outputs.cachekey}}'}}
        run: echo '${{steps.toolchain.outputs.cachekey}}'
      - name: check ${{'${{steps.toolchain.outputs.cachekey}}'}}
        if: matrix.rust == '1.62.0'
        run: cmp -s <(echo ${{steps.toolchain.outputs.cachekey}}) <(echo 20220627a831)
        shell: bash
      - run: rustc --version
      - run: cargo init . --bin --name CI
        if: matrix.rust == 'nightly' || matrix.rust == 'beta' || matrix.rust == 'stable'
      - run: cargo add syn@1
        if: matrix.rust == 'nightly' || matrix.rust == 'beta' || matrix.rust == 'stable'
      - run: cargo check
        if: matrix.rust == 'nightly' || matrix.rust == 'beta' || matrix.rust == 'stable'