.travis.yml

# Enable C++ support
language: cpp
sudo: required
dist: trusty
compiler:
  - gcc
cache:
  timeout: 1000
  directories:
  - ../chaste-build  # the build directory
  - ../chaste-source  # the Chaste source directory
addons:
  apt:
    sources:
      - ubuntu-toolchain-r-test
    packages:
      - gcc-6
      - g++-6
      - cmake

before_install:
  - wget https://www.dropbox.com/s/p05hu95q30rsllt/castxml-linux.tar.gz && tar -C "${TRAVIS_BUILD_DIR}"/../ -zxvf castxml-linux.tar.gz

install:
  - sudo apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 422C4D99
  - echo "deb http://www.cs.ox.ac.uk/chaste/ubuntu trusty/" | sudo tee -a /etc/apt/sources.list
  - sudo apt-get update -qq
  - sudo apt-get install libpq-dev libboost-all-dev python-numpy -y
  - sudo cp /usr/lib/x86_64-linux-gnu/libpq.so /usr/lib/
  - sudo apt-get install chaste-source -y
  - export PETSC_DIR=/usr/lib/petscdir/3.4.2/
  - export PETSC_ARCH=linux-gnu-c-opt

# Build steps
before_script:
  - sudo ln -s /usr/bin/gcc-6 /usr/local/bin/gcc
  - sudo ln -s /usr/bin/g++-6 /usr/local/bin/g++
  - wget https://bitbucket.org/petsc/petsc/get/v3.4.2.tar.gz && tar -zxf v3.4.2.tar.gz
  - sudo mkdir -p $PETSC_DIR/$PETSC_ARCH/include/petsc/private/
  - sudo cp petsc-petsc-a071802d3efe/include/petsc-private/vecimpl.h $PETSC_DIR/$PETSC_ARCH/include/petsc/private/vecimpl.h
  - sudo cp petsc-petsc-a071802d3efe/include/petsc-private/matimpl.h $PETSC_DIR/$PETSC_ARCH/include/petsc/private/matimpl.h
  - gcc -v && g++ -v && cmake --version
  - sudo pip install numpy matplotlib 
  - wget https://bitbucket.org/petsc/petsc4py/downloads/petsc4py-3.4.tar.gz && tar -zxf petsc4py-3.4.tar.gz
  - cd petsc4py-3.4 && python setup.py build && sudo python setup.py install && cd ..
  - "export DISPLAY=:99.0" # For GUI tests
  - "sh -e /etc/init.d/xvfb start"
  - sleep 3 # give xvfb some time to start
  - |
    if [ -d "${TRAVIS_BUILD_DIR}"/../chaste-source/projects/ ]; then
        cd "${TRAVIS_BUILD_DIR}"/../chaste-source && git pull && cd ..
    else
        cd "${TRAVIS_BUILD_DIR}"/../ && git clone --depth=2 -b develop https://chaste.cs.ox.ac.uk/git/chaste.git chaste-source
    fi
script:
  - |
    if [ ! -d "${TRAVIS_BUILD_DIR}"/../chaste-source/projects/MicrovesselChaste/ ]; then
        ln -s "${TRAVIS_BUILD_DIR}" "${TRAVIS_BUILD_DIR}"/../chaste-source/projects/
    fi
  - mkdir -p "${TRAVIS_BUILD_DIR}"/../chaste-build && cd "${TRAVIS_BUILD_DIR}"/../chaste-build
  - |
    if [[ -f touch_order.txt ]]; then
      while read fn; do
        touch $fn
      done < touch_order.txt
      # touch changed git files to trigger their rebuild
      read PREVIOUS_GIT_COMMIT < previous_git_commit.txt
      cd "${TRAVIS_BUILD_DIR}"
      changed_files=`git diff --name-only $PREVIOUS_GIT_COMMIT HEAD`
      echo "Previously cached Travis build based on git commit ${PREVIOUS_GIT_COMMIT}."
      echo "... changed files since then:"
      echo $changed_files
      touch `echo $changed_files`
      cd "${TRAVIS_BUILD_DIR}"/../chaste-build
    else
      cmake "${TRAVIS_BUILD_DIR}"/../chaste-source -DCASTXML_EXE_LOC="${TRAVIS_BUILD_DIR}"/../castxml/bin/castxml
    fi
    cmake . && make project_MicrovesselChaste -j 2

# # following: https://github.com/NLeSC/root-roofit-dev/blob/travis_make-optimize_deps/.travis.yml
# Save the order of timestamps of the files so we can recreate it with touch in the next build.
# N.B.: just tarring the build files doesn't work, since the git clone will still be newer.
# The build tools (make at least) only care about order, not about absolute timestamps.
before_cache:
  - find . -type f -printf "%T+\t%p\n" | sort | cut -f 2 > touch_order.txt
  - cd "${TRAVIS_BUILD_DIR}" && git rev-parse HEAD > "${TRAVIS_BUILD_DIR}"/../chaste-build/previous_git_commit.txt