message: Travis stages
  Use Travis stages to first try to format and then try to compile.
diff: @@ -5,11 +5,14 @@ env:
  global:
  secure: 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
  -matrix:
  - fast_finish: true
  - include:
  +stages:
  + - format
  + - compile and test
  - - os: linux
  +jobs:
  + include:
  + - stage: format
  + os: linux
  env:
  - TEST="Clang format"
  script:
  @@ -28,14 +31,14 @@ matrix:
  after_failure:
  - "$TRAVIS_BUILD_DIR/tools/travis-ci-git-commit.bash"
  - - os: linux
  + - stage: compile and test
  + os: linux
  env:
  - TEST="Gcc Check"
  script:
  - mkdir build
  - cd build
  - - CXX=/usr/bin/g++ CC=/usr/bin/gcc cmake -DRINGMESH_WITH_GRAPHICS:BOOL=OFF -DRINGMESH_WITH_UTILITIES:BOOL=ON
  - -DRINGMESH_WITH_TESTS:BOOL=ON -DRINGMESH_WITH_TUTORIALS:BOOL=ON ..
  + - CXX=g++ CC=gcc cmake -DRINGMESH_WITH_GRAPHICS:BOOL=OFF -DRINGMESH_WITH_UTILITIES:BOOL=ON -DRINGMESH_WITH_TESTS:BOOL=ON -DRINGMESH_WITH_TUTORIALS:BOOL=ON ..
  - cd ringmesh/Debug
  - cmake --build .
  - ctest
  