language: rust

# We need this for the matrix, install is quick although unused
rust:
  - stable
  - beta
  - nightly

sudo: required

dist: trusty

# We cannot cache .vagga, because we actually do not have read permissions
# without sudo and travis cache script runs not as sudo...
cache:
  directories:
    - .vagga/stable-home
    - .vagga/beta-home
    - .vagga/nightly-home
    - .vagga/.cache

addons:
  apt:
    packages:
      - libcurl4-openssl-dev
      - libelf-dev
      - libdw-dev

env:
  matrix:
    - FEATURES=""
      # test individual features
    - FEATURES="backend_winit"
    - FEATURES="backend_drm"
    - FEATURES="backend_libinput"
    - FEATURES="renderer_glium"
      # test default features
    - FEATURES="default"
      # test all features simultaneously
    - FEATURES="all"

matrix:
  include:
      # special features for lint & fmt
    - rust: nightly
      env: FEATURES="cargo-fmt"
    - rust: nightly
      env: FEATURES="cargo-clippy"
  allow_failures:
    - rust: nightly

before_script:
  - 'echo ubuntu-mirror: http://mirrors.us.kernel.org/ubuntu/ > ~/.vagga.yaml'
  - 'echo alpine-mirror: http://mirrors.gigenet.com/alpinelinux/ >> ~/.vagga.yaml'
  - |
      echo "$(id -un):100000:65536" | sudo tee /etc/subuid | sudo tee /etc/subgid
      sudo apt-get install uidmap -y
      curl http://files.zerogw.com/vagga/vagga-install.sh | sh
  - vagga update-$TRAVIS_RUST_VERSION

script:
  - |
      case $FEATURES in
        "all")
            vagga cargo-$TRAVIS_RUST_VERSION test --all-features &&
            vagga cargo-$TRAVIS_RUST_VERSION doc --no-deps --all-features
        ;;
        "default")
            vagga cargo-$TRAVIS_RUST_VERSION test &&
            vagga cargo-$TRAVIS_RUST_VERSION doc --no-deps
        ;;
        "cargo-fmt")
            vagga cargo-$TRAVIS_RUST_VERSION install -f rustfmt-nightly &&
            vagga cargo-$TRAVIS_RUST_VERSION fmt -- --write-mode=diff
        ;;
        "cargo-clippy")
            vagga cargo-$TRAVIS_RUST_VERSION install -f clippy &&
            vagga cargo-$TRAVIS_RUST_VERSION clippy --all-features -- -D warnings
        ;;
        *)
            vagga cargo-$TRAVIS_RUST_VERSION test --lib --doc --tests --no-default-features --features "$FEATURES" &&
            vagga cargo-$TRAVIS_RUST_VERSION doc --no-deps --no-default-features --features "$FEATURES"
      esac

after_success:
  - cp ./doc_index.html ./target/doc/index.html

deploy:
  provider: pages
  skip_cleanup: true
  github_token: $GITHUB_TOKEN
  local_dir: "${TRAVIS_BUILD_DIR}/target/doc"
  on:
    branch: master
    rust: stable
    condition: "$FEATURES = all"

notifications:
  webhooks:
    urls:
      - "https://scalar.vector.im/api/neb/services/hooks/dHJhdmlzLWNpLyU0MGxldmFucyUzQXNhZmFyYWRlZy5uZXQvJTIxRkt4aGprSUNwakJWelZlQ2RGJTNBc2FmYXJhZGVnLm5ldA"
    on_success: change
    on_failure: always
    on_start: never