version: 2
jobs:
  test:
    docker:
      - image: puzzlewolf/rust-libical3:0.7
    working_directory: /mnt/crate
    steps:
      - checkout
      - restore_cache:
          keys:
            - cargo-v2-{{ checksum "Cargo.toml" }}-
            - cargo-v2-
      - run: cargo update
      - run: cargo fetch
      - persist_to_workspace:
          root: "."
          paths:
            - Cargo.lock
      - save_cache:
          key: cargo-v2-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}
          paths:
            - ~/.cargo/registry
            - ~/.cargo/git
      - run:
          name: Print version information
          command: rustc --version; cargo --version
      - run:
          name: Build and test
          command: cargo test --verbose --frozen
          environment:
            # Need this for the coverage run
            RUSTFLAGS: "-C link-dead-code"
      - run:
          name: Prune the output files
          command: |
            for file in target/debug/* target/debug/.??*; do
              [ -d $file -o ! -x $file ] && rm -r $file
            done
      - persist_to_workspace:
          root: "."
          paths:
            - target/debug/*
  coverage:
    docker:
      - image: puzzlewolf/rust-libical3-kcov:0.7
        entrypoint: /bin/bash
    working_directory: /mnt/crate
    steps:
      - checkout
      - attach_workspace:
          at: "."
      - run: mkdir target/coverage
      - run:
          name: Run coverage for unit tests
          command: |
            # hack - find biggest binary in dir
            testsuite=$(ls --sort=size ./target/debug/khaleesi-* | head -n 1)
            flags=( tests integration );
            for flag in ${flags[@]}; do
              echo "Running coverage for $flag";
              sudo kcov --verify --include-path $(pwd) --exclude-pattern=tests \
                  target/coverage/$flag \
                  $testsuite --quiet ::${flag}::
              # -c deletes coverage data after submission
              bash <(curl -s https://codecov.io/bash) -c -F $flag;
            done
workflows:
  version: 2
  test_all_and_coverage:
    jobs:
      - test
      - coverage:
          requires:
            - test