# Benchmark libgit2 against the git reference implementation.
name: Benchmark

on:
  workflow_dispatch:
  schedule:
  - cron: '15 4 * * *'

jobs:
  # Run our nightly builds.  We build a matrix with the various build
  # targets and their details.  Then we build either in a docker container
  # (Linux) or on the actual hosts (macOS, Windows).
  build:
    # Only run scheduled workflows on the main repository; prevents people
    # from using build minutes on their forks.
    if: github.repository == 'libgit2/libgit2'

    strategy:
      matrix:
        platform:
        - name: "Linux (clang, OpenSSL)"
          env:
            CC: clang
            CMAKE_OPTIONS: -DUSE_HTTPS=OpenSSL -DREGEX_BACKEND=builtin -DDEPRECATE_HARD=ON -DUSE_GSSAPI=ON -DBUILD_TESTS=OFF -DBUILD_EXAMPLES=OFF -DBUILD_CLI=ON -DCMAKE_BUILD_TYPE=Release
            CMAKE_BUILD_OPTIONS: --config Release
          id: linux
          os: ubuntu-latest
          setup-script: ubuntu
        - name: "macOS"
          os: macos-11
          env:
            CC: clang
            CMAKE_OPTIONS: -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON -DUSE_GSSAPI=ON -DBUILD_TESTS=OFF -DBUILD_EXAMPLES=OFF -DBUILD_CLI=ON -DCMAKE_BUILD_TYPE=Release
            CMAKE_BUILD_OPTIONS: --config Release
            PKG_CONFIG_PATH: /usr/local/opt/openssl/lib/pkgconfig
          id: macos
          setup-script: osx
        - name: "Windows (amd64, Visual Studio)"
          os: windows-2019
          env:
            ARCH: amd64
            CMAKE_GENERATOR: Visual Studio 16 2019
            CMAKE_OPTIONS: -A x64 -DDEPRECATE_HARD=ON -DBUILD_TESTS=OFF -DBUILD_EXAMPLES=OFF -DBUILD_CLI=ON -DCMAKE_BUILD_TYPE=Release
            CMAKE_BUILD_OPTIONS: --config Release
          id: windows
          setup-script: win32
      fail-fast: false
    name: "Build ${{ matrix.platform.name }}"
    env: ${{ matrix.platform.env }}
    runs-on: ${{ matrix.platform.os }}
    steps:
    - name: Check out repository
      uses: actions/checkout@v3
      with:
        path: source
        fetch-depth: 0
    - name: Set up benchmark environment
      run: source/ci/setup-${{ matrix.platform.setup-script }}-benchmark.sh
      shell: bash
      if: matrix.platform.setup-script != ''
    - name: Build
      run: |
        mkdir build && cd build
        ../source/ci/build.sh
      shell: bash
    - name: Benchmark
      run: |
        if [[ "$(uname -s)" == MINGW* ]]; then
          GIT2_CLI="$(cygpath -w $(pwd))\\build\\Release\\git2"
        else
          GIT2_CLI="$(pwd)/build/git2"
        fi

        mkdir benchmark && cd benchmark
        ../source/tests/benchmarks/benchmark.sh --baseline-cli "git" --cli "${GIT2_CLI}" --json benchmarks.json --zip benchmarks.zip
      shell: bash
    - name: Upload results
      uses: actions/upload-artifact@v2
      with:
        name: benchmark-${{ matrix.platform.id }}
        path: benchmark
      if: always()