.travis.yml

sudo: required

language: rust

# only build pushes to master
# prs are build separately
# https://docs.travis-ci.com/user/pull-requests/#how-pull-requests-are-built
branches:
  only:
  # release tags
  - /^v\d+\.\d+\.\d+.*$/
  - master

# Cache `cargo install`ed tools, but don't cache the project's `target`
# directory (which ends up over-caching and filling all disk space!)
cache:
  directories:
    - /home/travis/.cargo

before_cache:
  # But don't cache the cargo registry
  - rm -rf /home/travis/.cargo/registry
  # Travis can't cache files that are not readable by "others"
  - chmod -R a+r $HOME/.cargo

# yaml ref for deploying release binary to github
DEPLOY_TO_GITHUB: &DEPLOY_TO_GITHUB
  before_deploy:
    - name="codeowners-$TRAVIS_TAG-$OS-$ARCH"
    - src=$(pwd)
    - mkdir $name
    - strip target/$TARGET/release/codeowners
    - cp target/$TARGET/release/codeowners $name/
    - cd $name
    - tar czvf $src/$name.tar.gz *
    - cd $src
    - rm -rf $name
  deploy:
    provider: releases
    api_key: $GH_TOKEN
    file: codeowners-$TRAVIS_TAG-$OS-$ARCH.tar.gz
    skip_cleanup: true
    on:
      tags: true

install: |
  if [ "$TRAVIS_RUST_VERSION" == nightly ] && [ $TRAVIS_BRANCH = master ]; then
    cargo install cargo-update || echo "cargo-update already installed"
    RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install cargo-tarpaulin || echo "cargo-tarpaulin already installed"
    cargo install-update -a

    # should only be necessary until rustfmt produces consistent results in stable/nightly
    rustup component add rustfmt
  fi

matrix:
  include:

  - name: Unit Tests
    env: RUST_BACKTRACE=1
    rust: nightly
    script:
    - cargo test
    - rustup component add rustfmt
    - cargo fmt --version
    - cargo fmt --all -- --check

  - name: Linux Binary
    env: TARGET=x86_64-unknown-linux-musl OS=Linux ARCH=x86_64
    rust: stable
    before_script:
      - rustup target add $TARGET
    script: cargo build --release --target $TARGET
    addons:
      apt:
        packages:
          - musl-tools
    <<: *DEPLOY_TO_GITHUB

  - name: macOS Binary
    env: MACOSX_DEPLOYMENT_TARGET=10.7 TARGET=x86_64-apple-darwin OS=Darwin ARCH=x86_64
    os: osx
    rust: stable
    script: cargo build --release --target $TARGET
    install: true
    <<: *DEPLOY_TO_GITHUB

addons:
  apt:
    packages:
    - musl-tools
    # required by tarpaulin code coverage tool
    - libssl-dev

after_success:
  # report coverage to coveralls
  # see https://github.com/xd009642/tarpaulin for more information
  - '[ $TRAVIS_RUST_VERSION = nightly ] &&
     [ $TRAVIS_BRANCH = master ] &&
     [ $TRAVIS_PULL_REQUEST = false ] &&
     cargo tarpaulin --ciserver travis-ci --coveralls $TRAVIS_JOB_ID || true'
  - '[ $TRAVIS_RUST_VERSION = nightly ] &&
    [ $TRAVIS_BRANCH = master ] &&
    [ $TRAVIS_PULL_REQUEST = false ] &&
    cargo doc --no-deps &&
    echo "<meta http-equiv=refresh content=0;url=`echo $TRAVIS_REPO_SLUG | cut -d / -f 2`/index.html>" > target/doc/index.html &&
    pip install --user ghp-import &&
    /home/travis/.local/bin/ghp-import -n target/doc &&
    git push -fq https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git gh-pages &&
    echo "documented"'