.travis.yml

# run in container 
sudo: false

addons:
    apt:
      packages:
       - make
       - cmake-data
       - cmake
    homebrew:
      packages:
      - ccache
      
git:
  depth: false    
  

# we compile a c++ project
language: cpp

compiler:
    - gcc
    - clang

os:
  - linux
  - osx

dist:
  - focal

osx_image: 
  - xcode12
  
env:
  global:
    - TIMEOUT_BUILD='50m'
    - BUILD_SUCCESS=true
    
  matrix:
    - DIM=2 CPU=1       TARGET=ugshell STATIC_BUILD=ON  BUILD_VARIANT="build1"
    - DIM=2 CPU=1       TARGET=vrl     STATIC_BUILD=OFF BUILD_VARIANT="build2"
#   - DIM=ALL CPU="1;2" TARGET=ugshell STATIC_BUILD=ON  BUILD_VARIANT="build3"
#   - DIM=ALL CPU="1;2" TARGET=vrl     STATIC_BUILD=OFF BUILD_VARIANT="build4"

jobs:
  exclude:
  - compiler: gcc
    os: osx

before_cache:
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew cleanup; fi

cache:
  ccache: true
  directories:
   #- travis_root
    - $HOME/.ccache
   # - $HOME/Library/Caches/Homebrew
   # TODO: how can we do conditional caching of directories (depending on OS)
   #- /home/travis/build/miho/OCC-CSG/oce-OCE-0.18.3
   #- /Users/travis/build/miho/ugcore/

# prepare ccache for (optional) install step
before_install:
  # installing ccache and freetype packages via homebrew
#  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install ccache; fi
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export PATH="/usr/local/opt/ccache/libexec:$PATH"; fi
  - if [[ "$TRAVIS_OS_NAME" == "linux" && "$CC" == "clang" ]]; then export CC='ccache clang'; export CXX='ccache clang++'; fi

# prepare compilation  
before_script:
  - mkdir -p travis_root && cd travis_root
  - rm -rf ughub
  - git clone https://www.github.com/UG4/ughub
  - export UG4_FOLDER_SURVIVED_CACHE=false
  - if [ -e ug4 ]; then export UG4_FOLDER_SURVIVED_CACHE=true; fi
  - if [[ "$UG4_FOLDER_SURVIVED_CACHE" == "false" ]]; then mkdir ug4; fi
  - cd ug4
  - if [[ "$UG4_FOLDER_SURVIVED_CACHE" == "false" ]]; then ../ughub/ughub init .; fi
  - if [[ "$UG4_FOLDER_SURVIVED_CACHE" == "false" ]]; then ../ughub/ughub install ugcore; fi
  - if [[ "$UG4_FOLDER_SURVIVED_CACHE" == "false" ]]; then rm -rf ugcore; fi
  
  - |
     echo "--------------------------------------------------------------------------------"
     echo "TRAVIS BUILD-INFO FOR UGCORE"
     echo "--------------------------------------------------------------------------------"
     echo "REPOSITORY:..............$TRAVIS_REPO_SLUG"
     echo "COMMIT:..................$TRAVIS_COMMIT"
     echo "TAG:.....................$TRAVIS_TAG"
     echo "BRANCH:..................$TRAVIS_BRANCH"
     echo "TRAVIS-BUILD-NUMBER:.....$TRAVIS_BUILD_NUMBER"
     echo "UG4 dir survived cache:..$UG4_FOLDER_SURVIVED_CACHE"
     echo "--------------------------------------------------------------------------------"
    
  - if [[ "$UG4_FOLDER_SURVIVED_CACHE" == "false" ]]; then git clone https://github.com/$TRAVIS_REPO_SLUG.git ugcore; fi
  - echo HERE
  - pwd
  - ls .
  - cd ugcore
  - if [[ "$UG4_FOLDER_SURVIVED_CACHE" == "true" ]]; then git fetch; fi
  - git checkout -f $TRAVIS_COMMIT
  - mkdir -p $BUILD_VARIANT && cd $BUILD_VARIANT && cmake ../ -DTARGET="${TARGET}" -DLAPACK=OFF -DBLAS=OFF -DDIM="${DIM}" -DCPU="${CPU}" -DCOMPILE_INFO=OFF -DEMBEDDED_PLUGINS=ON -DSTATIC_BUILD="${STATIC_BUILD}"
  - rm -rf ../bin/ugshell
  
# finally compile ug
script:
    # - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then timeout -s SIGTERM $TIMEOUT_BUILD make -j4 install > install_out.txt || export BUILD_SUCCESS=false ; fi
    # ccache fixes global build time of ~ 50 minutes
    # we still need to use travis_wait to prevent "build error because of no output"
    # https://docs.travis-ci.com/user/common-build-problems/#Build-times-out-because-no-output-was-received
    - travis_wait 45 make -j1
    - if [[ "$TARGET" == "ugshell" ]]; then ../bin/ugshell -call "print(\"it works\")"; fi