.travis.yml

#
# Configuration
#
language: c
dist: xenial

#
# Build Dependencies
#
before_script:

  #
  # Build Folder
  #
  - mkdir build
  - cd build

  #
  # Update / Install CMake
  #
  - |
    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
      mkdir -p external/cmake
      pushd external/cmake
      wget https://cmake.org/files/v3.8/cmake-3.8.0-Linux-x86_64.sh
      chmod +x cmake-*-Linux-x86_64.sh
      ./cmake-*-Linux-x86_64.sh --exclude-subdir --skip-license
      export PATH="${PWD}/bin:$PATH"
      popd
    fi
    if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
      if ! brew ls --version cmake &>/dev/null; then brew update; brew install cmake; fi
    fi

#
# Before Install for Windows builds
#
before_install:
- |-
    case $TRAVIS_OS_NAME in
      windows)
        [[ ! -f C:/tools/msys64/msys2_shell.cmd ]] && rm -rf C:/tools/msys64
        choco uninstall -y mingw
        choco upgrade --no-progress -y msys2
        export msys2='cmd //C RefreshEnv.cmd '
        export msys2+='& set MSYS=winsymlinks:nativestrict '
        export msys2+='& C:\\tools\\msys64\\msys2_shell.cmd -defterm -no-start'
        export mingw64="$msys2 -mingw64 -full-path -here -c "\"\$@"\" --"
        export msys2+=" -msys2 -c "\"\$@"\" --"
        $msys2 pacman --sync --noconfirm --needed mingw-w64-x86_64-toolchain
        ## Install more MSYS2 packages from https://packages.msys2.org/base here
        $msys2 pacman --sync --noconfirm --needed mingw-w64-x86_64-gcc mingw-w64-x86_64-cmake mingw-w64-x86_64-hidapi make git
        taskkill //IM gpg-agent.exe //F  # https://travis-ci.community/t/4967
        export PATH=/C/tools/msys64/mingw64/bin:$PATH
        ;;
    esac

before_cache:
- |-
    case $TRAVIS_OS_NAME in
      windows)
        # https://unix.stackexchange.com/a/137322/107554
        $msys2 pacman --sync --clean --noconfirm
        ;;
      osx)
        brew cleanup
        ;;
    esac

cache:
    directories:
    - $HOME/AppData/Local/Temp/chocolatey
    - /C/tools/msys64
    - $HOME/Library/Caches/Homebrew

#
# Build Matrix
#
matrix:
  include:

  #
  # Git Check
  #
  - os: linux
    env:
      - TEST="Git Check"
    script:
      - |
        if [[ -n $(git diff --check HEAD^) ]]; then
          echo "You must remove whitespace before submitting a pull request"
          echo ""
          git diff --check HEAD^
          exit -1
        fi

  #
  # Clang Format
  #
  - os: linux
    env:
      - TEST="Clang Format"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
        packages:
          - gcc-6
          - libhidapi-dev
    script:
      - cmake -DENABLE_CLANG_FORMAT=ON -DCMAKE_C_COMPILER="gcc-6" ..
      - make
      - make format
      - |
        if [[ -n $(git diff) ]]; then
          echo "You must run make format before submitting a pull request"
          echo ""
          git diff
          exit -1
        fi

  #
  # Clang Tidy
  #
  - os: linux
    env:
      - TEST="Clang Tidy"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
          - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main'
            key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
        packages:
          - clang-9
          - clang-tidy-9
          - libhidapi-dev
    script:
      - cmake -DENABLE_CLANG_TIDY=ON -DCMAKE_C_COMPILER="clang-9" ..
      - make
      - make tidy > output.txt
      - |
        if [[ -n $(grep "warning: " output.txt) ]] || [[ -n $(grep "error: " output.txt) ]]; then
            echo "You must pass the clang tidy checks before submitting a pull request"
            echo ""
            grep --color -E '^|warning: |error: ' output.txt
            exit -1;
        else
            echo -e "\033[1;32m\xE2\x9C\x93 passed:\033[0m $1";
        fi

  #
  # GCC 7
  #
  - os: linux
    env:
      - TEST="GCC 7"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
        packages:
          - gcc-8
          - libhidapi-dev
    script:
      - cmake -DCMAKE_C_COMPILER="gcc-8" ..
      - make
      - make test

  #
  # GCC 8
  #
  - os: linux
    env:
      - TEST="GCC 8"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
        packages:
          - gcc-8
          - libhidapi-dev
    script:
      - cmake -DCMAKE_C_COMPILER="gcc-8" ..
      - make
      - make test

  #
  # GCC 9
  #
  - os: linux
    env:
      - TEST="GCC 9"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
        packages:
          - gcc-9
          - libhidapi-dev
    script:
      - cmake -DCMAKE_C_COMPILER="gcc-9" ..
      - make
      - make test

  #
  # Clang 7
  #
  - os: linux
    env:
      - TEST="Clang 7"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
          - llvm-toolchain-xenial-7
        packages:
          - clang-7
          - libhidapi-dev
    script:
      - cmake -DCMAKE_C_COMPILER=clang-7 ..
      - make
      - make test

  #
  # Clang 8
  #
  - os: linux
    env:
      - TEST="Clang 8"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
          - llvm-toolchain-xenial-8
        packages:
          - clang-8
          - libhidapi-dev
    script:
      - cmake -DCMAKE_C_COMPILER=clang-8 ..
      - make
      - make test

  #
  # Clang 9
  #
  - os: linux
    env:
      - TEST="Clang 9"
    addons:
      apt:
        sources:
          - ubuntu-toolchain-r-test
          - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main'
            key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
        packages:
          - clang-9
          - libhidapi-dev
    script:
      - cmake -DCMAKE_C_COMPILER=clang-9 ..
      - make
      - make test

  #
  # XCode 11.3
  #
  - os: osx
    env:
      - TEST="XCode 11.3"
    osx_image: xcode11.3
    script:
      - cmake ..
      - make
      - make test
    addons:
      homebrew:
        packages:
        - hidapi

  #
  # Windows via msys2 (mingw 64-bit)
  #
  - os: windows
    env:
      - TEST="Windows (msys2, mingw64)"
    script:
      - $mingw64 cmake -G"MSYS Makefiles" ..
      - $mingw64 make
      - $mingw64 make test