version: "2.1"

executors:
  stable:
    docker:
      - image: liuchong/rustup:stable
  nightly:
    docker:
      - image: liuchong/rustup:nightly
  beta:
    docker:
      - image: liuchong/rustup:beta

commands:
  cargo_test:
    description: "Run `cargo test`"
    steps:
      - run:
          name: "Clean out rust-toolchain"
          command: "rm -f rust-toolchain"
      - run:
          name: "Toolchain debug info"
          command: "rustc --version"
      - run:
          name: Test
          command: {{conf.test_commandline.as_str()}}

jobs:
  test:
    parameters:
      version:
        type: executor
      version_name:
        type: string
    executor: << parameters.version >>
    environment:
      CI_RUST_VERSION: << parameters.version_name >>
    steps:
      - checkout
      - cargo_test

  rustfmt:
    parameters:
      version:
        type: executor
    executor: << parameters.version >>
    steps:
      - checkout
      {%- if conf.rustfmt.install_commandline().is_some() %}
      - run:
          name: Install
          command: {{conf.rustfmt.install_commandline().unwrap()}}
      {%- endif %}
      - run:
          name: Rustfmt
          command: {{conf.rustfmt.commandline()}}

  clippy:
    parameters:
      version:
        type: executor
    executor: << parameters.version >>
    steps:
      - checkout
      {%- if conf.clippy.install_commandline().is_some() %}
      - run:
          name: Install
          command: {{conf.clippy.install_commandline().unwrap()}}
      {%- endif %}
      - run:
          name: Clippy
          command: {{conf.clippy.commandline()}}

  bench:
    parameters:
      version:
        type: executor
    executor: << parameters.version >>
    steps:
      - checkout
      {%- if conf.bench.install_commandline().is_some() %}
      - run:
          name: Install
          command: {{conf.bench.install_commandline().unwrap()}}
      {%- endif %}
      - run:
          name: Bench
          command: {{conf.bench.commandline()}}

  {%- for custom in conf.additional_matrix_entries %}
  {{custom.0}}:
    parameters:
      version:
        type: executor
      version_name:
        type: string
    executor: << parameters.version >>
    environment:
      CI_RUST_VERSION: << parameters.version_name >>
    steps:
      - checkout
      {%- if custom.1.install_commandline().is_some() %}
      - run:
          name: Install
          command: {{custom.1.install_commandline().unwrap()}}
      {%- endif %}
      - run:
          name: {{custom.1.commandline()}}
          command: {{custom.1.commandline()}}
  {%- endfor %}

  ci_success:
    docker:
      - image: alpine:latest
    steps:
      - run:
          name: Success
          command: "echo yay"

workflows:
  continuous_integration:
    jobs:
      {%- for version in conf.versions %}
      - test:
          name: test-{{version}}
          version: {{version}}
          version_name: {{version}}
          filters: {{filters|json}}
      {%- endfor %}
      {%- if conf.rustfmt.run() %}
      - rustfmt:
          version: {{conf.rustfmt.version()}}
          filters: {{filters|json}}
      {%- endif %}
      {%- if conf.clippy.run() %}
      - clippy:
          version: {{conf.clippy.version()}}
          filters: {{filters|json}}
      {%- endif %}
      {%- if conf.bench.run() %}
      - bench:
          version: {{conf.bench.version()}}
          filters: {{filters|json}}
      {%- endif %}
      {%- for custom in conf.additional_matrix_entries %}
      - {{custom.0}}:
          name: "{{custom.0}}"
          version: {{custom.1.version()}}
          version_name: {{custom.1.version()}}
      {%- endfor %}
      - ci_success:
          requires:
          {%- for version in conf.versions %}
          - test-{{version}}
          {%- endfor %}
          {%- if conf.rustfmt.run() %}
          - rustfmt
          {%- endif %}
          {%- if conf.clippy.run() %}
          - clippy
          {%- endif %}
          {%- if conf.bench.run() %}
          - bench
          {%- endif %}
          {%- for custom in conf.additional_matrix_entries %}
          {%- if custom.1.run() %}
          - {{custom.0}}
          {%- endif %}
          {%- endfor %}

  {%- if !conf.scheduled_test_branches.is_empty() %}
  scheduled_tests:
    jobs:
      {%- for version in conf.versions %}
      - test:
          name: test-{{version}}
          version: {{version}}
          version_name: {{version}}
      {%- endfor %}
      {%- for custom in conf.additional_matrix_entries %}
      {%- if custom.1.run_cron() %}
      - {{custom.0}}:
          name: "{{custom.0}}"
          version: "{{custom.1.version()}}"
          version_name: "{{custom.1.version()}}"
      {%- endif %}
      {%- endfor %}
    triggers:
      - schedule:
          cron: {{conf.test_schedule.as_str()}}
          filters:
            branches:
              only: {{conf.scheduled_test_branches|json}}
  {%- endif %}