image:
  - Visual Studio 2017
clone_script:
  - cmd: git clone -q --recursive --branch=%APPVEYOR_REPO_BRANCH% https://github.com/%APPVEYOR_REPO_NAME%.git %APPVEYOR_BUILD_FOLDER%
  - cmd: git checkout -qf %APPVEYOR_REPO_COMMIT%
image:
  - Visual Studio 2017
  - Ubuntu1804
clone_script:
  - cmd: git clone -q --recursive --branch=%APPVEYOR_REPO_BRANCH% https://github.com/%APPVEYOR_REPO_NAME%.git %APPVEYOR_BUILD_FOLDER%
  - cmd: git checkout -qf %APPVEYOR_REPO_COMMIT%
  - sh: git clone -q --recursive --branch=${APPVEYOR_REPO_BRANCH} https://github.com/${APPVEYOR_REPO_NAME}.git ${APPVEYOR_BUILD_FOLDER}
  - sh: git checkout -qf ${APPVEYOR_REPO_COMMIT}
install:
  - sh: sudo apt --yes install shellcheck
  - sh: sudo apt --yes install cppcheck
  - sh: sudo update-alternatives --set gcc /usr/bin/gcc-8
for:
-
  matrix:
    only:
      - image: Ubuntu1804
  build_script:
  - g++ --version && make clean all

Build with Ubuntu 18.04 on AppVeyor.
Build with Ubuntu 18.04 on AppVeyor.
