language: rust
sudo: required
dist: trusty

cache:
  cargo: true
  apt: true

matrix:
  include:
    - rust: stable
    - rust: beta
    - rust: nightly
  allow_failures:
    - rust: nightly

before_script:
  - export PATH=$PATH:~/.cargo/bin

script:
  - |
    if [[ "$TRAVIS_RUST_VERSION" != "nightly" ]]; then
    cargo clean
    cargo test
    fi
  - |
    if [[ "$TRAVIS_RUST_VERSION" == "nightly" ]]; then
    RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install -f cargo-tarpaulin
    RUST_BACKTRACE=1 cargo tarpaulin --out Xml
    bash <(curl -s https://codecov.io/bash)
    echo "Uploaded code coverage"
    fi

# Upload docs
#after_success:
#  - |
#    if [[ "$TRAVIS_OS_NAME" == "linux" && "$TRAVIS_PULL_REQUEST" = "false" && "$TRAVIS_BRANCH" == "master" && "$TRAVIS_RUST_VERSION" == "stable" ]]; then
#      cargo doc --features "session" --no-deps &&
#      echo "<meta http-equiv=refresh content=0;url=os_balloon/index.html>" > target/doc/index.html &&
#      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