language: rust

# only cache cargo subcommand binaries and wayland libs .so
# the build artifacts take a lot of space and are slower to
# cache than to actually rebuild anyway...
# We need to cache the whole .cargo directory to keep the
# .crates.toml file.
cache:
  directories:
    - /home/travis/.cargo
# But don't cache the cargo registry
before_cache:
    - rm -rf /home/travis/.cargo/registry

dist: trusty

sudo: required

rust:
  - stable
  - beta
  - nightly

matrix:
  allow_failures:
    - rust: nightly
  include:
    - rust: stable
      env: BUILD_FMT=1
    - rust: stable
      env: BUILD_DOC=1

branches:
  only:
    - master

before_script:
  - cargo fetch
  - |
      if [ -n "$BUILD_FMT" ]; then
        rustup component add rustfmt-preview
      elif [ -n "$BUILD_DOC" ]; then
        echo "Building doc, nothing to install..."
      fi
os:
  - linux

script:
  - |
      if [ -n "$BUILD_FMT" ]; then
        cargo fmt -- --check
      elif [ -n "$BUILD_DOC" ]; then
        cargo doc --no-deps --all-features
      else
        cargo check
      fi
after_success:
  - |
      if [ -n "$BUILD_DOC" ]; then
        cp ./doc_index.html ./target/doc/index.html
      fi
deploy:
  provider: pages
  skip_cleanup: true
  github_token: $GITHUB_TOKEN
  local_dir: "target/doc"
  on:
    branch: master
    rust: stable
    condition: $BUILD_DOC = 1

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