.travis.yml

language: rust
rust:
  - stable
  - nightly
matrix:
  allow_failures:
    - rust: nightly

    # Test coverage (with Tarpaulin)
    - env: TARPAULIN_VERSION="0.6.2"
      rust: stable
      install:
        - RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install cargo-tarpaulin --version $TARPAULIN_VERSION
      script:
        - cargo tarpaulin --verbose > ./tarpaulin.out

        # Fetch coverage percentage (integer)
        - COVERAGE=$(cat ./tarpaulin.out | awk -F '.' '/coverage/ { print $1 }')
        - echo COVERAGE=${COVERAGE}

        # Print uncoverted lines
        - 'echo "UNCOVERED LINES" && grep "hits: 0" ./tarpaulin.out'

        # Exit 1, if coverage is less than 89%
        - if [ $COVERAGE -lt 89 ]; then exit 0; fi
install:
  - rustup component add rustfmt-preview
  - rustup component add clippy-preview
script:
  - cargo fmt -- --check
  - touch ./src/lib.rs && cargo clippy -- -D warnings
  - cargo test
cache:
  cargo: true
before_cache:
  # Travis can't cache files that are not readable by "others"
  - chmod -R a+r $HOME/.cargo

addons:
  apt:
    packages:
      - libssl-dev  # Required for tarpaulin