language: python

python:
  - "2.7"
  - "3.5"
  - "3.6"
  - "3.7-dev"

allow_failures:
  - python: "3.7-dev"

env:
  global:
    - RUST_VERSION=nightly
    - RUSTFLAGS="-C link-dead-code"
    - RUST_BACKTRACE=1

sudo: required
dist: trusty

addons:
  apt:
    packages:
      - libcurl4-openssl-dev
      - libelf-dev
      - libdw-dev
      - cmake
      - gcc
      - binutils-dev
      - libiberty-dev

# Add clippy
before_script:
  - |
    if [[ "$TRAVIS_RUST_VERSION" == "nightly" ]]; then
        ( ( cargo install clippy && export CLIPPY=true ) || export CLIPPY=false );
    fi
  - export PATH=$PATH:~/.cargo/bin

install:
  - python -c "import sysconfig; print('\n'.join(map(repr,sorted(sysconfig.get_config_vars().items()))))"
  - mkdir ~/rust-installer
  - curl -sL https://static.rust-lang.org/rustup.sh -o ~/rust-installer/rustup.sh
  - sh ~/rust-installer/rustup.sh --prefix=~/rust --spec=$RUST_VERSION -y
  - export PATH="$HOME/rust/bin:$PATH"
  - python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))"
  - export PYTHON_LIB=$(python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))")
  # - find $PYTHON_LIB
  - export LIBRARY_PATH="$LIBRARY_PATH:$PYTHON_LIB"
  # delete any possible empty components
  # https://github.com/google/pulldown-cmark/issues/122#issuecomment-364948741
  - LIBRARY_PATH=$(echo $LIBRARY_PATH | sed -E -e 's/^:*//' -e 's/:*$//' -e 's/:+/:/g')
  - export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$PYTHON_LIB:$HOME/rust/lib"
  - rustc -V
script:
  - make test
  # - make clippy

after_success:
  - |
    if [[ "$TRAVIS_OS_NAME" == "linux" && "$TRAVIS_PULL_REQUEST" = "false" && "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PYTHON_VERSION" == "3.6" ]]; then
    cargo doc --no-deps &&
    echo "<meta http-equiv=refresh content=0;url=os_balloon/index.html>" > target/doc/index.html &&
    curl -sL https://github.com/rust-lang-nursery/mdBook/releases/download/v0.1.5/mdbook-v0.1.5-x86_64-unknown-linux-gnu.tar.gz | tar xvz -C $HOME/rust/bin &&
    cd guide && mdbook build -d ../target/doc/guide && cd .. &&
    git clone https://github.com/davisp/ghp-import.git &&
    ./ghp-import/ghp_import.py -n -p -f -m "Documentation upload" -r https://"$GH_TOKEN"@github.com/"$TRAVIS_REPO_SLUG.git" target/doc &&
    echo "Uploaded documentation"
    fi

  - |
    if [[ "$TRAVIS_OS_NAME" == "linux" && "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PYTHON_VERSION" == "3.6" ]]; then
      wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
      tar xzf master.tar.gz &&
      cd kcov-master &&
      mkdir build &&
      cd build &&
      cmake .. &&
      make &&
      make install DESTDIR=../../kcov-build &&
      cd ../.. &&
      rm -rf kcov-master &&
      for file in target/debug/pyo3-*[^\.d]; do mkdir -p "target/cov/$(basename $file)"; ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file"; done &&
      for file in target/debug/test_*[^\.d]; do mkdir -p "target/cov/$(basename $file)"; ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file"; done &&
      bash <(curl -s https://codecov.io/bash) &&
      echo "Uploaded code coverage"
    fi