name: Rust CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  build-test:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Rust (stable)
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}

      - name: Build (release)
        run: cargo build --release

      - name: Upload binary
        uses: actions/upload-artifact@v4
        with:
          name: bhs-linux
          path: target/release/black_hole_share