name: "CI"
on:
  pull_request:
  push:
    branches: ["main"]
    tags: ["v*"]
permissions:
  contents: write

jobs:
  build-nix:
    name: Build ${{ matrix.target }}
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu
            runner: ubuntu-latest
            system: x86_64-linux
            package: default
          - target: x86_64-unknown-linux-musl
            runner: ubuntu-latest
            system: x86_64-linux
            package: x86_64-linux-musl
          - target: aarch64-unknown-linux-gnu
            runner: ubuntu-latest
            system: x86_64-linux
            package: aarch64-linux
          - target: x86_64-apple-darwin
            runner: macos-13
            system: x86_64-darwin
            package: default
          - target: aarch64-apple-darwin
            runner: macos-latest
            system: aarch64-darwin
            package: default
    steps:
    - uses: actions/checkout@v4
    - uses: DeterminateSystems/nix-installer-action@main

    - run: nix --print-build-logs build .#packages.${{ matrix.system }}.${{ matrix.package }}

    - name: Prepare release artifact
      if: startsWith(github.ref, 'refs/tags/')
      run: cp result/bin/mkv mkv-${{ matrix.target }}

    - name: Upload artifact
      if: startsWith(github.ref, 'refs/tags/')
      uses: actions/upload-artifact@v4
      with:
        name: mkv-${{ matrix.target }}
        path: mkv-${{ matrix.target }}

  build-windows:
    name: Build x86_64-pc-windows-msvc
    runs-on: windows-latest
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable

    - run: cargo build --release

    - name: Prepare release artifact
      if: startsWith(github.ref, 'refs/tags/')
      run: cp target/release/mkv.exe mkv-x86_64-pc-windows-msvc.exe

    - name: Upload artifact
      if: startsWith(github.ref, 'refs/tags/')
      uses: actions/upload-artifact@v4
      with:
        name: mkv-x86_64-pc-windows-msvc
        path: mkv-x86_64-pc-windows-msvc.exe

  release:
    name: Create release
    needs: [build-nix, build-windows]
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    steps:
    - uses: actions/download-artifact@v4
      with:
        path: artifacts
        merge-multiple: true

    - name: Create release
      uses: softprops/action-gh-release@v2
      with:
        files: artifacts/*