name: Release

on:
  push:
    tags:
      - "v*"

permissions:
  contents: write

jobs:
  build-linux:
    name: Build Linux release binary
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0   # needed so build.rs can run `git describe`

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-unknown-linux-gnu

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

      - name: Build release binary
        run: cargo build --release --target x86_64-unknown-linux-gnu

      - name: Rename binary for upload
        run: |
          cp target/x86_64-unknown-linux-gnu/release/mikebase \
             mikebase-${{ github.ref_name }}-x86_64-linux

      - name: Upload binary to GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          files: mikebase-${{ github.ref_name }}-x86_64-linux
          generate_release_notes: true