main.yml

name: Build LArContent

# Controls when the workflow will run
on:
  # Trigger the workflow on push to master, or any pull request.
  # workflow_dispatch allows manual running through the GitHub UI.
  push:
    branches:
      - master
  pull_request:
    branches:
      - '*'
  workflow_dispatch:

# Workflow with 1 stage: Build.
# Each of the sub-stages in the build job run in parallel.
jobs:
  build:

    # Use the latest ubuntu image: https://github.com/actions/runner-images
    runs-on: ubuntu-20.04
    name: LArContent - ${{ matrix.compiler.c }} - Monitoring ${{ matrix.monitoring }} - DL ${{ matrix.torch }}

    # Only run in the PandoraPFA repos.
    if: github.repository_owner == 'PandoraPFA'

    # Defines the build matrix, so what combinatorics of compiler etc. to test.
    strategy:
      fail-fast: false # Don't quit other jobs if one job fails.
      matrix:
        compiler: [ {cpp: g++-8, c: gcc-8}, {cpp: clang++, c: clang} ]
        monitoring: [ "ON", "OFF" ]
        torch: [ "ON", "OFF" ]

    # Set the compiler env vars to ensure the correct compiler is used.
    env:
        CC: ${{ matrix.compiler.c }}
        CXX: ${{ matrix.compiler.cpp }}

    steps:

      # Setup dependencies and build folder...
      - name: Install Dependencies
        run: |
          sudo apt install -y xlibmesa-glu-dev gcc-8 g++-8
          sudo mkdir -m 0777 -p /pandora

      # Pull and Install Eigen...
      - name: Pull Eigen
        run: wget https://gitlab.com/libeigen/eigen/-/archive/3.3.5/eigen-3.3.5.tar.gz
      - name: Unpack Eigen
        run: tar -xf eigen-3.3.5.tar.gz && rm eigen-3.3.5.tar.gz && mv eigen-3.3.5 Eigen3
      - name: Build Eigen
        run: |
          cd Eigen3 && mkdir build && cd build
          cmake -DCMAKE_INSTALL_PREFIX=/pandora/Eigen3 ..
          make -j$(nproc) install

      # Sort ROOT install out if needed...
      - name: Install ROOT
        if: matrix.monitoring == 'ON'
        run: |
          wget https://root.cern/download/root_v6.26.14.Linux-ubuntu20-x86_64-gcc9.4.tar.gz
          tar -xzvf root_v6.26.14.Linux-ubuntu20-x86_64-gcc9.4.tar.gz && mv root/ /pandora/root

      # Sort LibTorch install out...
      - name: Install Torch
        if: matrix.torch == 'ON'
        run: |
          wget https://download.pytorch.org/libtorch/cpu/libtorch-cxx11-abi-shared-with-deps-1.13.0%2Bcpu.zip
          unzip libtorch-cxx11-abi-shared-with-deps-1.13.0+cpu.zip && mv libtorch/ /pandora/libtorch

      # Pull the various Pandora repos...
      - name: Pull PandoraPFA
        uses: actions/checkout@v3
        with:
          repository: 'PandoraPFA/PandoraPFA'
          path: PandoraPFA

      - name: Pull PandoraSDK
        uses: actions/checkout@v3
        with:
          repository: 'PandoraPFA/PandoraSDK'
          path: PandoraSDK

      - name: Pull PandoraMonitoring
        if: matrix.monitoring == 'ON'
        uses: actions/checkout@v3
        with:
          repository: 'PandoraPFA/PandoraMonitoring'
          path: PandoraMonitoring

      - name: Pull LArContent
        uses: actions/checkout@v3
        with:
          path: LArContent

      - name: Pull LArReco
        uses: actions/checkout@v3
        with:
          repository: 'PandoraPFA/LArReco'
          path: LArReco

      # Lets move all the repos to a central /pandora/ path, for easier pathing.
      - name: Update Repo Locations
        run: |
          mv Pandora* /pandora/
          mv LAr* /pandora/

      # Build the SDK then monitoring (if required).
      - name: Build PandoraSDK
        run: |
          mkdir -p /pandora/PandoraSDK/build && cd /pandora/PandoraSDK/build
          cmake -DCMAKE_MODULE_PATH=/pandora/PandoraPFA/cmakemodules /pandora/PandoraSDK/
          make -j$(nproc) install

      - name: Build PandoraMonitoring
        if: matrix.monitoring == 'ON'
        run: |
          mkdir -p /pandora/PandoraMonitoring/build && cd /pandora/PandoraMonitoring/build
          cmake \
            -DCMAKE_MODULE_PATH=/pandora/PandoraPFA/cmakemodules \
            -DROOT_DIR=/pandora/root/cmake \
            -DPandoraSDK_DIR=/pandora/PandoraSDK \
            /pandora/PandoraMonitoring/
          make -j$(nproc) install

      # Now build LArContent.
      - name: Build LArContent
        run: |
          mkdir -p /pandora/LArContent/build && cd /pandora/LArContent/build
          cmake \
            -DCMAKE_MODULE_PATH=/pandora/PandoraPFA/cmakemodules \
            -DPandoraSDK_DIR=/pandora/PandoraSDK \
            -DEigen3_DIR=/pandora/Eigen3/share/eigen3/cmake \
            -DROOT_DIR=/pandora/root/cmake \
            -DPANDORA_MONITORING=${{ matrix.monitoring }} \
            -DPandoraMonitoring_DIR=/pandora/PandoraMonitoring \
            -DPANDORA_LIBTORCH=${{ matrix.torch }} \
            -DCMAKE_PREFIX_PATH=/pandora/libtorch/ \
            /pandora/LArContent/
          make -j$(nproc) install

      # Finally, lets build LArReco and run the final binary to check
      # everything is happy (no linker errors etc.)
      - name: Build LArReco
        run: |
          mkdir -p /pandora/LArReco/build && cd /pandora/LArReco/build
          cmake \
            -DCMAKE_MODULE_PATH=/pandora/PandoraPFA/cmakemodules \
            -DPandoraSDK_DIR=/pandora/PandoraSDK \
            -DEigen3_DIR=/pandora/Eigen3/share/eigen3/cmake \
            -DROOT_DIR=/pandora/root/cmake \
            -DLArContent_DIR=/pandora/LArContent/ \
            -DLArDLContent_DIR=/pandora/LArContent/ \
            -DPANDORA_MONITORING=${{ matrix.monitoring }} \
            -DPandoraMonitoring_DIR=/pandora/PandoraMonitoring \
            -DPANDORA_LIBTORCH=${{ matrix.torch }} \
            -DCMAKE_PREFIX_PATH=/pandora/libtorch/ \
            /pandora/LArReco/
          make -j$(nproc) install