name: Minimum supported rust version

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: "-D warnings"

on:
  workflow_call:
    inputs:
      package:
        description: Target cargo package name
        required: true
        type: string


jobs:
  run:
    name: Run checks
    runs-on: ubuntu-latest
    steps:

    - name: Checkout source code
      uses: actions/checkout@v3

    - name: Get the MSRV from the package metadata
      id: msrv
      run: cargo metadata --no-deps --format-version 1 | jq -r '"version=" + (.packages[] | select(.name == "${{ inputs.package }}").rust_version)' >> $GITHUB_OUTPUT

    - name: Install rust toolchain (v${{ steps.msrv.outputs.version }})
      uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ steps.msrv.outputs.version }}
        components: clippy, rustfmt

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

    # - name: Run clippy (on minimum supported rust version to prevent warnings we can't fix)
    #   run: cargo clippy --all-targets

    # - name: Run main tests
    #   run: cargo test