setup-rust-toolchain/.github/workflows/ci.yml

name: CI

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

jobs:
  install:
    name: Rust ${{matrix.rust || '(toolchain file)'}} ${{matrix.os}}
    runs-on: ${{matrix.os}}
    strategy:
      fail-fast: false
      matrix:
        rust: [
          # Test with toolchain file override
          "",
          # Test that the sparse registry check works.
          # 1.66 and 1.67 don't support stable sparse registry.
          "1.66",
          "nightly",
          "beta",
          "stable",
        ]
        os: [
          "ubuntu-latest",
          "windows-latest",
          "macos-latest",
        ]
    steps:
      - uses: actions/checkout@v4
      # Test toolchain file support
      - name: Write rust-toolchain.toml
        run: |
          cat <<EOF >>rust-toolchain.toml
          [toolchain]
          channel = "nightly-2022-09-10"
          components = [ "rustfmt", "rustc-dev" ]
          targets = [ "wasm32-unknown-unknown", "thumbv7m-none-eabi" ]
          profile = "minimal"
          EOF
        shell: bash
        if: matrix.rust == ''

      - uses: ./
        name: Run actions-rust-lang/setup-rust-toolchain ${{matrix.rust || 'on toolchain file'}}
        id: toolchain
        with:
          toolchain: ${{matrix.rust}}
          components: clippy
      - name: Check ${{'${{steps.toolchain.outputs.rustc-version}}'}}
        run: echo '${{steps.toolchain.outputs.rustc-version}}'
      - name: Check ${{'${{steps.toolchain.outputs.cargo-version}}'}}
        run: echo '${{steps.toolchain.outputs.cargo-version}}'
      - name: Check ${{'${{steps.toolchain.outputs.rustup-version}}'}}
        run: echo '${{steps.toolchain.outputs.rustup-version}}'
      - run: rustc --version && cargo --version
        shell: bash

      # Test with creating a small project
      - run: cargo init . --bin --name ci
      # Add tiny empty crate.
      # This checks that registry access works.
      - run: cargo add serde_as
      - run: cargo clippy