version: 2

aliases:
  - &defaults
    working_directory: ~/ghc
  - &prepare
    run:
      name: prepare-system
      command: .circleci/prepare-system.sh
  - &submodules
    run:
      name: submodules
      command: .circleci/fetch-submodules.sh
  - &build
    run:
      name: build
      command: .circleci/build.sh
      # Building bindist takes ~15 minutes without output, account for
      # that.
      no_output_timeout: "30m"
  - &collectartifacts
    run:
      name: collect artifacts
      # We need this because CircleCI expects a path without
      # wildcards but bindist archive name is not static
      command: |
        mkdir -p /tmp/artifacts
        pwd
        find .
        cp ghc*.tar.xz /tmp/artifacts

jobs:
  "validate-x86_64-linux":
    resource_class: xlarge
    docker:
      - image: haskell:8.2
    steps:
      # Make sure we have proper openssh before checkout: CircleCI git
      # does not check the repository out properly without it and also
      # takes 20 times longer than it should be.
      - run:
          name: install openssh
          command: |
            apt-get update -qq
            apt-get install -y openssh-client
      - checkout
      - *prepare
      - *submodules
      - *build
      - *collectartifacts
      - store-artifacts:
          path: /tmp/artifacts

  "validate-x86_64-freebsd":
    resource_class: xlarge
    docker:
      - image: tweag/toolchain-x86_64-freebsd
    environment:
      TARGET: FreeBSD
    steps:
      - run:
          name: install git
          command: |
            apt-get update -qq
            apt-get install -qy openssh-client
      - checkout
      - *prepare
      - *submodules
      - *build

  "validate-x86_64-darwin":
    macos:
      xcode: "9.0"
    steps:
      - checkout
      - *prepare
      - *submodules
      - *build
      - *collectartifacts
      - store-artifacts:
          path: /tmp/artifacts

workflows:
  version: 2
  validate:
    jobs:
    - validate-x86_64-linux
    # FreeBSD disabled: https://github.com/haskell/unix/issues/102
    # - validate-x86_64-freebsd
    - validate-x86_64-darwin