.travis.yml

dist: xenial
language: shell

git:
  depth: 1
  quiet: true

cache:
  directories:
    - "$HOME/.cargo"
    - target
before_cache:
  - |
    cargo install \
      --debug \
      --force \
      --git https://github.com/matthiaskrgr/cargo-cache \
      --no-default-features \
      --features ci-autoclean \
      --bin cargo-cache \
      -- \
      cargo-cache
  - cargo cache
  - find ~/.cargo/bin ! -type d -exec strip {} \;

matrix:
  fast_finish: true
  include:
    - os: linux
    - os: osx
    - os: windows
    - name: rustfmt
      install:
        - rustup component add rustfmt
      script:
        - cargo fmt -- --check;

before_install:
  - curl -sSf https://build.travis-ci.com/files/rustup-init.sh | sh -s -- -y --default-toolchain=stable --profile=minimal
  - export PATH="$HOME/.cargo/bin:$PATH"
  - export CARGO_TARGET_DIR="$TRAVIS_BUILD_DIR/target"

script:
  - cargo build
  - if [ -n "$GITHUB_TOKEN" ]; then FEATURES=('--github-token' "$GITHUB_TOKEN"); else FEATURES=(); fi
  - RUST_COMMIT=$(git ls-remote https://github.com/rust-lang/rust master | awk '{print $1}')
  - cargo run -- "${FEATURES[@]}"
  - rustc +"$RUST_COMMIT" -vV
  - rustc +"$RUST_COMMIT" -vV | grep "$RUST_COMMIT"