name: Merge Build
run_name: Test successful build on merge request

on:
  pull_request:
    types: [opened, reopened, edited, review_requested, synchronize]

jobs:
  Build:
    steps:
      - uses: https://github.com/actions/checkout@main

      - uses: https://github.com/SebRollen/toml-action@v1.2.0
        id: read_rust_toolchain
        with:
          file: rust-toolchain
          field: toolchain.targets
        id: read_rust_components
        with:
          file: rust-toolchain
          field: toolchain.components

      - uses: https://github.com/dtolnay/rust-toolchain@stable
        with:
          toolchain: ${{ steps.read_rust_toolchain.outputs.value }}
          components: ${{ steps.read_rust_components.outputs.value }}

      - name: Build
        run: cargo build