# https://github.com/openblack/bgfx.cmake/blob/master/.github/workflows/release.yml

name: Release

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:

  version:
    name: version
    runs-on: ubuntu-latest
    outputs:
      revision: ${{ steps.version.outputs.revision }}
      sha: ${{ steps.version.outputs.sha }}
      tag: ${{ steps.version.outputs.tag }}
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: recursive
          fetch-depth: 0
      - id: version
        run: |
          API_VERSION=$(grep -Eo "BGFX_API_VERSION UINT32_C\([0-9]+\)" bgfx/include/bgfx/defines.h | grep -Eo "[0-9]+" | tail -1)
          REVISION=$(cd bgfx && git rev-list HEAD --count)
          SHA=$(cd bgfx && git rev-parse HEAD)
          SHA7="${GITHUB_SHA::7}"
          TAG="v1.${API_VERSION}.${REVISION}-${SHA7}"
          echo "::set-output name=revision::${REVISION}"
          echo "::set-output name=sha::${SHA}"
          echo "::set-output name=tag::${TAG}"

  build:
    name: ${{ matrix.os }}
    needs: [ version ]
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: windows-latest
          - os: ubuntu-latest
          - os: macos-latest

    env:
      # Indicates the CMake build directory where project files and binaries are being produced.
      CMAKE_BUILD_DIR: ${{ github.workspace }}/build/
      CMAKE_INSTALL_DIR: ${{ github.workspace }}/install/

    steps:
      - uses: actions/checkout@v2
        with:
          submodules: recursive
      - name: Install Linux dependencies
        run: |
          sudo apt-get update
          sudo apt install -y libgl1-mesa-dev
        if: matrix.os == 'ubuntu-latest'
      # Setup the build machine with the most recent versions of CMake and Ninja. Both are cached if not already: on subsequent runs both will be quickly restored from GitHub cache service.
      - uses: lukka/get-cmake@latest

      # On Windows runners, let's ensure to have the Developer Command Prompt environment setup correctly. As used here the Developer Command Prompt created is targeting x64 and using the default the Windows SDK.
      - uses: ilammy/msvc-dev-cmd@v1

      # Update version
      - name: Update version.h
        run: |
          sed "s/ BGFX_REV_NUMBER .*/ BGFX_REV_NUMBER ${{ needs.version.outputs.revision }}/g" bgfx/src/version.h > version.tmp && mv version.tmp bgfx/src/version.h
          sed "s/ BGFX_REV_SHA1 .*/ BGFX_REV_SHA1 \"${{ needs.version.outputs.sha }}\"/g" bgfx/src/version.h > version.tmp && mv version.tmp bgfx/src/version.h
        shell: bash

      # Run CMake to generate project files
      - name: Generate project files
        run: |
          cmake -B "${{ env.CMAKE_BUILD_DIR }}" -DCMAKE_INSTALL_PREFIX="${{ env.CMAKE_INSTALL_DIR }}" -DCMAKE_DEBUG_POSTFIX=d -DBGFX_BUILD_EXAMPLES=OFF -DBGFX_BUILD_TOOLS=ON -DBGFX_INSTALL=ON -DBGFX_AMALGAMATED=ON -DCMAKE_BUILD_TYPE=Release
      # Build the install targets
      - name: Build
        run: |
          cmake --build "${{ env.CMAKE_BUILD_DIR }}" --target install --config Release
      - uses: actions/upload-artifact@v2
        with:
          name: ${{ matrix.os }}
          path: ${{ github.workspace }}/install/

  release:
    name: release
    runs-on: ubuntu-latest
    needs: [ version, build ]
    if: github.repository == 'bkaradzic/bgfx.cmake' && github.event_name == 'push'
    steps:
      - name: Create Release
        uses: actions/create-release@v1
        with:
          tag_name: ${{ needs.version.outputs.tag }}
          release_name: ${{ needs.version.outputs.tag }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}