build.yml

# Copyright (c) 2010-2024, Lawrence Livermore National Security, LLC. Produced
# at the Lawrence Livermore National Laboratory. All Rights reserved. See files
# LICENSE and NOTICE for details. LLNL-CODE-443271.
#
# This file is part of the GLVis visualization tool and library. For more
# information and source code availability see https://glvis.org.
#
# GLVis is free software; you can redistribute it and/or modify it under the
# terms of the BSD-3 license. We welcome feedback and contributions, see file
# CONTRIBUTING.md for details.

# This script builds glvis-js using a specified ref for mfem, glvis, and
# emscripten version. The output is uploaded as an artifact. If `make-branch`
# is set to true, a new branch will be created with the updated code.

name: Build

on:
  workflow_dispatch:
    inputs:
      mfem-ref:
        type: string
        default: 'master'
      glvis-ref:
        type: string
        default: 'master'
      emscripten-version:
        type: string
        # We use 3.1.51 because later versions give compiler errors
        # (possibly related to https://github.com/emscripten-core/emscripten/issues/21128)
        default: '3.1.51'
      make-branch:
        type: boolean
        default: false

  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest

    env:
      mfem-ref: ${{ github.event_name == 'pull_request' && 'master' || inputs.mfem-ref }}
      glvis-ref: ${{ github.event_name == 'pull_request' && 'master' || inputs.glvis-ref }}
      emscripten-version: ${{ github.event_name == 'pull_request' && '3.1.51' || inputs.emscripten-version }}

    name: >-
        build glvis-js |
        mfem=${{ github.event_name == 'pull_request' && 'master' || inputs.mfem-ref }} |
        glvis=${{ github.event_name == 'pull_request' && 'master' || inputs.glvis-ref }} |
        emcc=${{ github.event_name == 'pull_request' && '3.1.51' || inputs.emscripten-version }}

    steps:
    # ---------------------------------------------------------------------------------
    # Install glvis-js and dependencies
    # ---------------------------------------------------------------------------------
    - name: Install glvis dependencies
      run: |
        sudo apt-get install libfontconfig1-dev libfreetype-dev libsdl2-dev \
        libglew-dev libglm-dev libpng-dev git-lfs

    - name: Checkout glvis-js
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
        fetch-tags: true
        submodules: recursive
        path: glvis-js
        lfs: true

    - name: Checkout emscripten
      uses: actions/checkout@v4
      with:
        repository: emscripten-core/emsdk
        path: emsdk

    - name: Install emscripten
      run: |
        cd emsdk
        ./emsdk install ${{ env.emscripten-version }}
        ./emsdk activate ${{ env.emscripten-version }}
        echo "${GITHUB_WORKSPACE}/emsdk" >> $GITHUB_PATH
        echo "${GITHUB_WORKSPACE}/emsdk/upstream/emscripten" >> $GITHUB_PATH

    - name: Checkout mfem
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
        fetch-tags: true
        repository: mfem/mfem
        ref: ${{ env.mfem-ref }}
        path: mfem

    - name: Checkout glvis
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
        fetch-tags: true
        repository: glvis/glvis
        ref: ${{ env.glvis-ref }}
        path: glvis

    - name: Install glvis-js (also installs mfem + glvis)
      run: |
        cd glvis-js
        make install -j 4

    # ---------------------------------------------------------------------------------
    # Generate an artifact
    # ---------------------------------------------------------------------------------
    - name: Print artifact info
      run: |
        cat glvis-js/src/versions.js
        sha256sum glvis-js/src/*

    - name: Upload artifact
      uses: actions/upload-artifact@v4
      with:
          name: glvis-js
          path: glvis-js/src
          retention-days: 1

    - name: Push changes to a new branch
      if: ${{ github.event_name == 'workflow_dispatch' && inputs.make-branch }}
      run: |
        cd glvis-js
        git config user.name "github-actions[bot]"
        git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
        git switch -c "ci-build-${{ github.run_id }}"
        git add .
        git commit -m "Updating glvis-js build"
        git push --set-upstream origin "ci-build-${{ github.run_id }}"