.travis.yml

sudo: false
dist: trusty

language: rust

cache:
  cargo: true
  apt: true

rust:
  - stable
  - beta
  - nightly

matrix:
  include:
    - rust: nightly-2018-03-20
      env: # use env so updating versions causes cache invalidation
        - CLIPPY_VERSION=0.0.189
      before_script:
        - rustup component add rustfmt-preview
        - cargo install clippy --version $CLIPPY_VERSION || echo "clippy already installed"
      script:
        - cargo fmt -- --write-mode=diff
        - cargo clippy -- -D clippy

addons:
  apt:
    sources:
    packages:
      # Cargo coverage dependencies
      - libcurl4-openssl-dev
      - libelf-dev
      - libdw-dev
      - binutils-dev
  
install:
  - cargo install cargo-travis || echo "Cargo travis is already installed!"
  - export PATH=$HOME/.cargo/bin:$PATH

script:
  - cargo test --all --verbose
  # - if [ "$TRAVIS_RUST_VERSION" == "stable" ]; then cargo coveralls --all; fi

after_success: |
  if [ "$TRAVIS_RUST_VERSION" == "stable" ]; then
    cargo coveralls --all
  fi