version: 2
jobs:
  build:
    docker:
      - image: circleci/rust:latest
    steps:
      - checkout
      - run:
          name: Version information
          command: rustc --version; cargo --version; rustup --version
      - run:
          name: Calculate dependencies
          command: cargo generate-lockfile
      - restore_cache:
          keys:
            - cargo-cache-{{ arch }}-{{ checksum "Cargo.lock" }}
      - run:
          name: Check Formatting
          command: |
              rustup component add rustfmt
              rustfmt --version
              cargo fmt --all -- --check --color=auto
      - run:
          name: Install Lua
          command: |
              sudo apt-get update
              sudo apt-get -y --no-install-recommends install liblua5.3-dev liblua5.2-dev  liblua5.1-0-dev libluajit-5.1-dev
      - run:
          name: Build all targets
          command: cargo build --all --all-targets
      - run:
          name: Run all tests / Lua 5.3
          command: cargo test --all --no-default-features --features lua53
      - run:
          name: Run all tests / Lua 5.2
          command: cargo test --all --no-default-features --features lua52
      - run:
          name: Run all tests / Lua 5.1
          command: cargo test --all --no-default-features --features lua51
      - run:
          name: Run all tests / LuaJIT
          command: cargo test --all --no-default-features --features luajit
      - save_cache:
          paths:
            - /usr/local/cargo/registry
            - target/debug/.fingerprint
            - target/debug/build
            - target/debug/deps
          key: cargo-cache-{{ arch }}-{{ checksum "Cargo.lock" }}