R-CMD-check.yaml

# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
#
# NOTE: This workflow is overkill for most R packages and
# check-standard.yaml is likely a better choice.
# usethis::use_github_action("check-standard") will install it.
on:
  push:
    branches: [main, master]
  pull_request:
    branches: [main, master]

name: R-CMD-check

jobs:
  R-CMD-check:
    runs-on: ${{ matrix.config.os }}

    name: ${{ matrix.config.os }} (${{ matrix.config.r }}) ${{ matrix.config.custom }}

    strategy:
      fail-fast: false
      matrix:
        config:
          - {os: macOS-latest,   r: 'release'}

          - {os: windows-latest, r: 'release'}
          # Use 3.6 to trigger usage of RTools35
          - {os: windows-latest, r: '3.6'}

          # Use older ubuntu to maximise backward compatibility
          - {os: ubuntu-20.04,   r: 'devel', http-user-agent: 'release'}
          - {os: ubuntu-20.04,   r: 'release'}
          - {os: ubuntu-20.04,   r: 'release', custom: 'gcc 4.8'}
          - {os: ubuntu-20.04,   r: 'oldrel-1'}
          - {os: ubuntu-20.04,   r: 'oldrel-2'}
          - {os: ubuntu-20.04,   r: 'oldrel-3'}
          - {os: ubuntu-20.04,   r: 'oldrel-4'}

    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
      R_KEEP_PKG_SOURCE: yes

    steps:
      - uses: actions/checkout@v2

      - uses: r-lib/actions/setup-pandoc@v2

      - uses: r-lib/actions/setup-r@v2
        with:
          r-version: ${{ matrix.config.r }}
          http-user-agent: ${{ matrix.config.http-user-agent }}
          use-public-rspm: true

      - name : Install compiler version
        # We check on this old compiler specifically to support CentOS 7,
        # which uses this gcc version. RStudio products support CentOS 7 through
        # June 2024.
        # https://github.com/r-lib/cpp11/pull/78
        # https://www.rstudio.com/about/platform-support/
        # Ubuntu 20.04 technically dropped support for gcc 4.8, so we have to
        # add old archives back in manually to install it
        # https://github.com/r-lib/cpp11/pull/279
        if: matrix.config.custom == 'gcc 4.8'
        run: |
          echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial main" | sudo tee -a /etc/apt/sources.list
          echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe" | sudo tee -a /etc/apt/sources.list
          sudo apt update
          sudo apt-get install -y g++-4.8 libgfortran-*
          mkdir ~/.R/
          echo $'CXX1X=g++-4.8\nCXX11=g++-4.8\nCC=gcc-4.8 -std=c99\nCXX=g++-4.8 -std=gnu++11' >> ~/.R/Makevars

      - name: Install macOS system dependencies
        if: runner.os == 'macOS'
        run: brew install --cask xquartz

      - uses: r-lib/actions/setup-r-dependencies@v2
        with:
          extra-packages: any::rcmdcheck
          needs: check

      - uses: r-lib/actions/check-r-package@v2
        with:
          upload-snapshots: true