version: 2.1
orbs:
  go: gotest/tools@0.0.9

executors:
  golang:
    docker:
      - image: circleci/golang:1.13
    resource_class: 2xlarge

commands:
  install-deps:
    steps:
      - go/install-ssh
      - go/install: {package: git}
  prepare:
    parameters:
      linux:
        default: true
        description: is a linux build environment?
        type: boolean
      darwin:
        default: false
        description: is a darwin build environment?
        type: boolean
    steps:
      - checkout
      - when:
          condition: << parameters.linux >>
          steps:
            - run: sudo apt-get update
            - run: sudo apt-get install ocl-icd-opencl-dev
      - run: git submodule sync
      - run: git submodule update --init
  download-params:
    steps:
      - run:
          command: |
            cat go.mod | grep go-paramfetch > go-paramfetch-checksum.txt
      - restore_cache:
          name: Restore parameters cache
          keys:
            - 'groth-params-and-keys-{{ checksum "go-paramfetch-checksum.txt" }}'
          paths:
            - /var/tmp/filecoin-proof-parameters/
      - run:
          name: Download Groth parameters and keys for 1KiB sector size (hard-coded in test)
          command: make fetch-params
      - save_cache:
          name: Save parameters cache
          key: 'groth-params-and-keys-{{ checksum "go-paramfetch-checksum.txt" }}'
          paths:
            - /var/tmp/filecoin-proof-parameters/

jobs:
  mod-tidy-check:
    executor: golang
    steps:
      - install-deps
      - prepare
      - go/mod-download
      - go/mod-tidy-check

  build-all:
    executor: golang
    steps:
      - install-deps
      - prepare
      - go/mod-download
      - restore_cache:
          name: restore go mod cache
          key: v1-go-deps-{{ arch }}-{{ checksum "/home/circleci/project/go.mod" }}
      - run:
          command: make build

  test: &test
    description: |
      Run tests.
    parameters:
      executor:
        type: executor
        default: golang
    executor: << parameters.executor >>
    steps:
      - install-deps
      - prepare
      - go/mod-download
      - restore_cache:
          name: restore go mod cache
          key: v1-go-deps-{{ arch }}-{{ checksum "/home/circleci/project/go.mod" }}
      - run:
          command: make deps
          no_output_timeout: 30m
      - download-params
      - run:
          name: run tests
          command: make test
          no_output_timeout: 60m
      - save_cache:
          name: save go mod cache
          key: v1-go-deps-{{ arch }}-{{ checksum "/home/circleci/project/go.mod" }}
          paths:
            - "~/go/pkg"
            - "~/go/src/github.com"
            - "~/go/src/golang.org"

  build-macos:
    description: build with Darwin
    macos:
      xcode: "10.0.0"
    working_directory: ~/go/src/github.com/filecoin-project/go-sectorbuilder
    steps:
      - prepare:
          linux: false
          darwin: true
      - run:
          name: Install go
          command: |
            curl -O https://dl.google.com/go/go1.13.4.darwin-amd64.pkg && \
            sudo installer -pkg go1.13.4.darwin-amd64.pkg -target /
      - run:
          name: Install pkg-config
          command: HOMEBREW_NO_AUTO_UPDATE=1 brew install pkg-config
      - run: go version
      - run:
          name: Install Rust
          command: |
            curl https://sh.rustup.rs -sSf | sh -s -- -y
      - run:
          name: Install jq
          command: |
            mkdir $HOME/.bin
            curl --location https://github.com/stedolan/jq/releases/download/jq-1.6/jq-osx-amd64 --output $HOME/.bin/jq
            chmod +x $HOME/.bin/jq
      - restore_cache:
          name: restore go mod and cargo cache
          key: v1-go-deps-{{ arch }}-{{ checksum "~/go/src/github.com/filecoin-project/go-sectorbuilder/go.sum" }}
      - install-deps
      - go/mod-download
      - run:
          command: make build
          no_output_timeout: 30m
      - save_cache:
          name: save cargo cache
          key: v1-go-deps-{{ arch }}-{{ checksum "~/go/src/github.com/filecoin-project/go-sectorbuilder/go.sum" }}
          paths:
            - "~/.rustup"
            - "~/.cargo"

  lint: &lint
    description: |
      Run golangci-lint.
    parameters:
      executor:
        type: executor
        default: golang
      golangci-lint-version:
        type: string
        default: 1.17.1
      concurrency:
        type: string
        default: '2'
        description: |
          Concurrency used to run linters. Defaults to 2 because NumCPU is not
          aware of container CPU limits.
      args:
        type: string
        default: ''
        description: |
          Arguments to pass to golangci-lint
    executor: << parameters.executor >>
    steps:
      - install-deps
      - prepare
      - go/mod-download
      - run:
          command: make deps
          no_output_timeout: 30m
      - go/install-golangci-lint:
          gobin: $HOME/.local/bin
          version: << parameters.golangci-lint-version >>
      - run:
          name: Lint
          command: |
            $HOME/.local/bin/golangci-lint run -v \
              --concurrency << parameters.concurrency >> << parameters.args >>
  lint-changes:
    <<: *lint

  lint-all:
    <<: *lint

workflows:
  version: 2.1
  ci:
    jobs:
      - lint-changes:
          args: "--new-from-rev origin/master"
      - test
      - mod-tidy-check
      - build-all
      - build-macos