ubuntu.yml

name: Ubuntu CI

on:
  push:
    branches-ignore:
      # Exclude the push event for exported diffs, because the CI for export
      # should have been covered by GitHub Actions triggered by pull requests.
      - 'export-D+'
  pull_request:

concurrency:
  # If the workflow is triggered by a pull request, then cancel previous runs
  # for the same pull request, which share the same `github.ref`, otherwise the
  # run ID is used to identify the concurrency group, which is a no-op because
  # the run ID is always unique for each trigged event.
  group: ubuntu-ci-${{ github.event_name == 'pull_request' && github.ref || github.run_id }}
  cancel-in-progress: true

# OUT needs to be global. Ideally it would be local to the job so we could
# store it in ${{ runner.temp }} instead of the checkout directory.
# Unfortunately this is hitting some GitHub Action inconsistency with `env`:
# https://github.com/actions/runner/issues/480
env:
  OUT: ${{ format('{0}/out', github.workspace) }}
  DEBIAN_FRONTEND: "noninteractive"

jobs:
  build_ubuntu_focal_nightly:
    runs-on: 16-core
    container:
      image: ubuntu:focal
      env:
        DISTRO: ubuntu-20.04-focal
        IS_NIGHTLY: 1
        CLANG_VERSION: 12
    steps:
    - name: Installing dependencies to bootstrap env
      run: apt update -y && apt install -y git wget lsb-release software-properties-common gpg
    - name: Installing llvm
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x llvm.sh
        # Note: Keep this version in sync with the one in the Debian control file.
        ./llvm.sh ${CLANG_VERSION}
    - name: Making LLVM the default compiler
      run: |
        if [ -f /etc/alternatives/cc ]
        then
          update-alternatives --remove-all cc
        fi

        if [ -f /etc/alternatives/c++ ]
        then
          update-alternatives --remove-all c++
        fi
        
        update-alternatives --install /usr/bin/cc cc /usr/bin/clang++-${CLANG_VERSION} 500
        update-alternatives --set cc /usr/bin/clang++-${CLANG_VERSION}
        update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-${CLANG_VERSION} 500
        update-alternatives --set c++ /usr/bin/clang++-${CLANG_VERSION}
    - name: Fetching HHVM and its submodules
      uses: actions/checkout@v3
      with:
        submodules: 'recursive'
    - name: Installing HHVM deps and building HHVM
      run: ci/bin/make-debianish-package
    - name: Uploading artifacts
      uses: actions/upload-artifact@v3
      with:
        name: out-directory
        path: ${{ env.OUT }}