language: rust

cache:
  directories:
    - "$HOME/.cargo"
    # - "$HOME/.cache/sccache"

env:
  global:
    - CRATE_NAME=mdbook

matrix:
  include:
    - rust: stable
      env: TARGET=x86_64-unknown-linux-gnu
    - rust: beta
      env: TARGET=x86_64-unknown-linux-gnu
    - rust: nightly
      env: TARGET=x86_64-unknown-linux-gnu
    - rust: 1.35.0 # Minimum required Rust version
      env: TARGET=x86_64-unknown-linux-gnu

    - rust: stable
      os: osx
      env: TARGET=x86_64-apple-darwin

before_install:
  - |
    # export RUSTC_WRAPPER=sccache;
    cd "$(mktemp -d)";
    case "$TRAVIS_OS_NAME" in
      linux )
          travis_retry curl -sSL 'https://github.com/mozilla/sccache/releases/download/0.2.9/sccache-0.2.9-x86_64-unknown-linux-musl.tar.gz' | tar -xzf - --strip-components=1 &&
          sudo cp sccache /usr/local/bin/sccache;
        ;;
      osx )
          travis_retry curl -sSL 'https://github.com/mozilla/sccache/releases/download/0.2.9/sccache-0.2.9-x86_64-apple-darwin.tar.gz' | tar -xzf - --strip-components=1 &&
          sudo cp sccache /usr/local/bin/sccache;
        ;;
      * ) unset RUSTC_WRAPPER;;
    esac;
    cd "$TRAVIS_BUILD_DIR";

script:
  - cargo test --all
  - cargo test --all --no-default-features
  - |
    if [ "$TARGET" = x86_64-unknown-linux-gnu ] && [ "$TRAVIS_RUST_VERSION" = stable ]; then
      rustup component add rustfmt && \
      cargo fmt --all -- --check;
    fi

before_deploy:
  - cargo run -- build book-example
  - sh ci/before_deploy.sh

deploy:
- provider: releases
  api_key: "$GITHUB_TOKEN"
  file_glob: true
  file: "$CRATE_NAME-$TRAVIS_TAG-$TARGET.*"
  on:
    condition: "$TRAVIS_RUST_VERSION = stable"
    tags: true
  skip_cleanup: true
- provider: pages
  local_dir: book-example/book
  skip_cleanup: true
  github_token: "$GITHUB_TOKEN"
  keep_history: false
  on:
    condition: $TRAVIS_OS_NAME = "linux" && $TRAVIS_RUST_VERSION = "stable"
    tags: true

branches:
  only:
    - master
    - /^v\d+\.\d+\.\d+.*$/

notifications:
  email:
    on_success: never