name: Release Ninja Binaries

on:
  pull_request:
  push:
  release:
    types: published

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macOS-latest, windows-latest]
        include:
          - os: ubuntu-latest
            zip_name: ninja-linux
          - os: macOS-latest
            zip_name: ninja-mac
          - os: windows-latest
            zip_name: ninja-win

    steps:
    - uses: actions/checkout@v1

    # Install OS specific dependencies
    - name: Install Linux dependencies
      if: matrix.os == 'ubuntu-latest'
      run: sudo apt-get install re2c
    - name: Install macOS dependencies
      if: matrix.os == 'macOS-latest'
      run: brew install re2c p7zip cmake
    - name: Install Windows dependencies
      if: matrix.os == 'windows-latest'
      run: choco install re2c

    - name: Build ninja
      shell: bash
      run: |
        mkdir build && cd build
        cmake -DCMAKE_BUILD_TYPE=Release ..
        cmake --build . --parallel --config Release --target ninja

    - name: Strip Linux binary
      if: matrix.os == 'ubuntu-latest'
      run: cd build && strip ninja

    - name: Create ninja archive
      shell: bash
      env:
        ZIP_NAME: ${{ matrix.zip_name }}
      run: |
        mkdir artifact
        7z a artifact/${ZIP_NAME}.zip $(find ./build -name ninja -or -name ninja.exe)

    # Upload ninja binary archive as an artifact
    - name: Upload artifact
      uses: actions/upload-artifact@v1
      with:
        name: ninja-binary-archives
        path: artifact

    - name: Upload release asset
      if: github.event.action == 'published'
      uses: actions/upload-release-asset@v1.0.1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ github.event.release.upload_url }}
        asset_path: ./artifact/${{ matrix.zip_name }}.zip
        asset_name: ${{ matrix.zip_name }}.zip
        asset_content_type: application/zip