version: 2.1
orbs:
  # NB: 1.7.2 is not the Go version, but the Orb version
  # https://circleci.com/developer/orbs/orb/circleci/go#usage-go-modules-cache
  go: circleci/go@1.7.2
commands:
  setup-home-local-bin:
    steps:
      - run:
          shell: /bin/bash -euo pipefail
          command: |
            mkdir -p "$HOME/.local/bin"
            line='export PATH="$HOME/.local/bin:$PATH"'
            if grep "$line" $BASH_ENV >/dev/null; then
              echo "$line" >> $BASH_ENV
            fi

  invoke-lazy-sh:
    parameters:
      subcommand:
        type: string
    steps:
      - run:
          environment:
            TERM: xterm
          command: ./lazy.sh <<parameters.subcommand>>

  apt-update-and-install-common-deps:
    steps:
      - run: sudo apt-get update
      - run: sudo apt-get install -y gawk make
      # CircleCI doesn't update its cimg/go images.
      # So, need to update manually to get up-to-date trust chains.
      # The need for this was required for cimg/go:1.12, but let's future proof this here and now.
      - run: sudo apt-get install -y git ca-certificates

  install-godep:
    steps:
      - apt-update-and-install-common-deps
      - invoke-lazy-sh:
          subcommand: godep

  install-docdep:
    steps:
      - apt-update-and-install-common-deps
      - run: sudo apt install python3 python3-pip libgirepository1.0-dev
      - invoke-lazy-sh:
          subcommand: docdep

  docs-publish-sh:
    parameters:
      push:
        type: boolean
    steps:
      - checkout
      - run:
          command: |
            git config --global user.email "zreplbot@cschwarz.com"
            git config --global user.name "zrepl-github-io-ci"

      # if we're pushing, we need to add the deploy key
      # which is stored as "Additional SSH Keys" in the CircleCI project settings.
      # We can't use the CircleCI-manage deploy key because we're pushing
      # to a different repo than the one we're building.
      - when:
          condition: << parameters.push >>
          steps:
            # https://circleci.com/docs/2.0/add-ssh-key/#adding-multiple-keys-with-blank-hostnames
            - run: ssh-add -D
            # the default circleci ssh config only additional ssh keys for Host !github.com
            - run:
                command: |
                  cat > ~/.ssh/config \<<EOF
                  Host *
                    IdentityFile /home/circleci/.ssh/id_rsa_458e62c517f6c480e40452126ce47421
                  EOF
            - add_ssh_keys:
                fingerprints:
                  # deploy key for zrepl.github.io
                  - "45:8e:62:c5:17:f6:c4:80:e4:04:52:12:6c:e4:74:21"

      # caller must install-docdep
      - when:
          condition: << parameters.push >>
          steps:
            - run: bash -x docs/publish.sh -c -a -P
      - when:
          condition:
            not: << parameters.push >>
          steps:
            - run: bash -x docs/publish.sh -c -a

parameters:
  do_ci:
    type: boolean
    default: true

  do_release:
    type: boolean
    default: false

  release_docker_baseimage_tag:
    type: string
    default: "1.21"

workflows:
  version: 2

  ci:
    when: << pipeline.parameters.do_ci >>
    jobs:
      - quickcheck-docs
      - quickcheck-go: &quickcheck-go-smoketest
          name: quickcheck-go-amd64-linux-1.21
          goversion: &latest-go-release "1.21"
          goos: linux
          goarch: amd64
      - test-go-on-latest-go-release:
          goversion: *latest-go-release
      - quickcheck-go:
          requires:
            - quickcheck-go-amd64-linux-1.21 #quickcheck-go-smoketest.name
          matrix: &quickcheck-go-matrix
            alias: quickcheck-go-matrix
            parameters:
              goversion: [*latest-go-release, "1.20"]
              goos: ["linux", "freebsd"]
              goarch: ["amd64", "arm64"]
            exclude:
              # don't re-do quickcheck-go-smoketest
              - goversion: *latest-go-release
                goos: linux
                goarch: amd64
      - platformtest:
          matrix:
            parameters:
              goversion: [*latest-go-release]
              goos: ["linux"]
              goarch: ["amd64"]
          requires:
            - quickcheck-go-<< matrix.goarch >>-<< matrix.goos >>-<< matrix.goversion >>

  release:
    when: << pipeline.parameters.do_release >>
    jobs:
      - release-build
      - release-deb:
          requires:
            - release-build
      - release-rpm:
          requires:
            - release-build
      - release-upload:
          requires:
            - release-build
            - release-deb
            - release-rpm

  publish-zrepl.github.io:
    jobs:
      - publish-zrepl-github-io:
          filters:
            branches:
              only:
                - stable

jobs:
  quickcheck-docs:
    docker:
      - image: cimg/base:2023.09
    steps:
      - checkout
      - install-docdep
      # do the current docs build
      - run: make docs
      # does the publish.sh script still work?
      - docs-publish-sh:
          push: false

  quickcheck-go:
    parameters:
      goversion:
        type: string
      goos:
        type: string
      goarch:
        type: string
    docker:
      - image: cimg/go:<<parameters.goversion>>
    environment:
      GOOS: <<parameters.goos>>
      GOARCH: <<parameters.goarch>>

    steps:
      - checkout

      - go/load-cache:
          key: quickcheck-<<parameters.goversion>>
      - install-godep
      - run: go mod download
      - run: cd build && go mod download
      - go/save-cache:
          key: quickcheck-<<parameters.goversion>>

      - run: make formatcheck
      - run: make generate-platform-test-list
      - run: make zrepl-bin test-platform-bin
      - run: make vet
      - run: make lint

      - run: rm -f artifacts/generate-platform-test-list
      - store_artifacts:
          path: artifacts
      - persist_to_workspace:
          root: .
          paths: [.]

  platformtest:
    parameters:
      goversion:
        type: string
      goos:
        type: string
      goarch:
        type: string
    machine:
      image: ubuntu-2204:current
    resource_class: medium
    environment:
      GOOS: <<parameters.goos>>
      GOARCH: <<parameters.goarch>>
    steps:
      - attach_workspace:
          at: .
      - run: sudo apt-get update
      - run: sudo apt-get install -y zfsutils-linux
      - run: sudo zfs version
      - run: sudo make test-platform GOOS="$GOOS" GOARCH="$GOARCH"

  test-go-on-latest-go-release:
    parameters:
      goversion:
        type: string
    docker:
      - image: cimg/go:<<parameters.goversion>>
    steps:
      - checkout
      - go/load-cache:
          key: make-test-go
      - run: make test-go
      - go/save-cache:
          key: make-test-go

  release-build:
    machine:
      image: ubuntu-2004:202201-02
    steps:
      - checkout
      - run: make release-docker RELEASE_DOCKER_BASEIMAGE_TAG=<<pipeline.parameters.release_docker_baseimage_tag>>
      - persist_to_workspace:
          root: .
          paths: [.]
  release-deb:
    machine:
      image: ubuntu-2004:202201-02
    steps:
      - attach_workspace:
          at: .
      - run: make debs-docker
      - persist_to_workspace:
          root: .
          paths:
            - "artifacts/*.deb"

  release-rpm:
    machine:
      image: ubuntu-2004:202201-02
    steps:
      - attach_workspace:
          at: .
      - run: make rpms-docker
      - persist_to_workspace:
          root: .
          paths:
            - "artifacts/*.rpm"

  release-upload:
    docker:
      - image: cimg/base:2020.08
    steps:
      - attach_workspace:
          at: .
      - run: make wrapup-and-checksum
      - store_artifacts:
          path: artifacts

  publish-zrepl-github-io:
    docker:
      - image: cimg/base:2023.09
    steps:
      - checkout
      - install-docdep
      - docs-publish-sh:
          push: true