.travis.yml

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/install
    - /home/travis/.cargo

# But don't cache the cargo registry
before_cache:
  - rm -rf /home/travis/.cargo/registry

dist: trusty

sudo: false

rust:
  - 1.21.0
  - stable
  - beta
  - nightly

env:
  - FEATURES="native_lib"
  - FEATURES=""

matrix:
  allow_failures:
    - rust: nightly
  include:
    - rust: stable
      env: BUILD_FMT=1
    - rust: nightly
      env: TARPAULIN=1
      sudo: true
    - rust: stable
      env: BUILD_DOC=1
    - rust: stable
      env: TARGET=x86_64-unknown-freebsd
      sudo: true
      services: docker

branches:
  only:
    - master

before_script:
  - export PATH=$HOME/.cargo/bin:$PATH
  - mkdir $(pwd)/socket
  - export XDG_RUNTIME_DIR="$(pwd)/socket"
  - cargo fetch
  - |
      if [ -n "$BUILD_FMT" ]; then
        rustup component add rustfmt-preview
      elif [ -n "$TARPAULIN" ]; then
        which cargo-install-update || cargo install cargo-update
        cargo install-update cargo-update
        env RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install-update -i cargo-tarpaulin
        # sanity check, tarpaulin may fail to run after a rust upgrade and then needs recompilation
        cargo tarpaulin --version || env RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install cargo-tarpaulin --force
        # Building & running tests, we need to install the wayland lib
        ./travis_install_wayland.sh "1.15.0"
        export LD_LIBRARY_PATH="$HOME/install/lib:$LD_LIBRARY_PATH"
      elif [ -n "$BUILD_DOC" ]; then
        echo "Building doc, nothing to install..."
      elif [ -n "$TARGET" ]; then
        which cargo-install-update || cargo install cargo-update
        cargo install-update cargo-update
        cargo install-update -i cross
      else
        # Building & running tests, we need to install the wayland lib
        ./travis_install_wayland.sh "1.15.0"
        export LD_LIBRARY_PATH="$HOME/install/lib:$LD_LIBRARY_PATH"
      fi
  - |
      if [ "$TRAVIS_RUST_VERSION" == "1.21.0" ]; then
        # create a Cargo.lock, and then fix dependencies that cannot build on
        # rust 1.21.0
        cargo update
        cargo update -p lazy_static --precise 1.1.0
        cargo update -p tempfile --precise 2.2.0
      fi

os:
  - linux

script:
  - |
      if [ -n "$BUILD_FMT" ]; then
        cargo fmt --all -- --check
      elif [ -n "$TARPAULIN" ]; then
        cargo tarpaulin --all --features "" --ignore-tests --out Xml
        bash <(curl -s https://codecov.io/bash) -cF rust_impl
        cargo tarpaulin --all --features "native_lib" --ignore-tests --out Xml
        bash <(curl -s https://codecov.io/bash) -cF native_lib
      elif [ -n "$BUILD_DOC" ]; then
        cargo doc --all --no-deps --all-features
      elif [ -n "$TARGET" ]; then
        cross build --all --target "$TARGET"
        cross build --all --target "$TARGET" --features "native_lib"
      else
        cargo test --all --features "$FEATURES"
      fi

after_success:
  - |
      if [ -n "$BUILD_DOC" ]; then
        cp ./doc_index.html ./target/doc/index.html
        cp ./rust.css ./target/doc/rust.css
      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