.travis.yml

language: rust
cache: cargo
rust:
  - 1.44.0 # nom 6
  - stable
  - beta
  - nightly
os: linux

# always test things that aren't pushes (like PRs)
# never test tags or pushes to non-master branches (wait for PR)
# https://github.com/travis-ci/travis-ci/issues/2200#issuecomment-441395545)
if: type != push OR (tag IS blank AND branch = master)

script:
  - cargo test --verbose
  - cargo test --verbose --no-default-features --no-run

jobs:
  allow_failures:
    - rust: nightly
  include:
    - stage: check # do a pre-screen to make sure this is even worth testing
      script: cargo check
      rust: stable
    - stage: test
      rust: stable
      os: osx
    # Windows is not tested for now b/c of gmp-mpfr-sys:
    # https://docs.rs/gmp-mpfr-sys/1.1.13/gmp_mpfr_sys/#building-on-windows
    - stage: lint # we lint on beta to future-proof
      name: "Rust: beta, rustfmt"
      rust: beta
      os: linux
      script:
        - rustup component add rustfmt-preview
        - cargo fmt -v -- --check
    - name: "Rust: nightly, rustfmt" # and on nightly with allow_fail
      rust: nightly
      os: linux
      script:
        - rustup component add rustfmt-preview
        - cargo fmt -v -- --check
    - name: "Rust: beta, clippy"
      rust: beta
      os: linux
      script:
        - rustup component add clippy-preview
        - touch ./src/lib.rs && cargo clippy -- -D warnings
    - name: "Rust: nightly, clippy"
      rust: nightly
      os: linux
      script:
        - rustup component add clippy-preview
        - touch ./src/lib.rs && cargo clippy -- -D warnings
    - os: linux
      stage: coverage
      sudo: required
      dist: trusty
      cache: false
      services:
        - docker
      script:
        - docker run --security-opt seccomp=unconfined -v "$PWD:/volume" xd009642/tarpaulin:latest sh -c "cargo tarpaulin --out Xml"
        - bash <(curl -s https://codecov.io/bash)
stages:
 - check
 - test
 - lint
 - coverage