version: 2.1

commands:
  configure_bazel:
    description: Create Bazel config file (.bazelrc)
    steps:
      - run: |
          cat > .bazelrc \<< EOF
          startup --output_base /root/.cache/_grpc_gateway_bazel
          build --test_output errors
          build --features race
          # Workaround https://github.com/bazelbuild/bazel/issues/3645
          # See https://docs.bazel.build/versions/0.23.0/command-line-reference.html
          build --local_ram_resources=4096 # Circle Docker runners have 4G of memory
          build --local_cpu_resources=2    # Circle Docker runners have 2 vCPU
          EOF
  generate:
    steps:
      - run: make realclean
      - run: make examples
      - run: make testproto
      - run: go mod tidy
  renovate_git_amend_push:
    description: Git amend and push changes
    steps:
      - run: |
          git add .
          if output=$(git status --porcelain) && [ ! -z "$output" ]; then
            git config user.name "Renovate Bot"
            git config user.email "bot@renovateapp.com"
            git remote set-url origin https://x-access-token:${GITHUB_TOKEN}@github.com/grpc-ecosystem/grpc-gateway.git
            git commit --amend --no-edit
            git push --force-with-lease origin ${CIRCLE_BRANCH}
          fi

executors:
  build-env:
    environment:
    ## Split key to avoid github from revoking it
      password0: '99544cdcb19ad4e3fd64'
      password1: '3ec86b2e5a431be2d72c'
      GLOG_logtostderr: '1'
    docker:
      - image: docker.pkg.github.com/grpc-ecosystem/grpc-gateway/build-env:1.15
        auth:
          username: gateway-ci-user
          password: ${password0}${password1}

jobs:
  build:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - run: go build ./...
  test:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - run: go test -race -coverprofile=coverage.txt ./...
      - run: bash <(curl -s https://codecov.io/bash)
  node_test:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - run: go mod vendor
      - run: >
          . $HOME/.nvm/nvm.sh &&
          cd examples/internal/browser &&
          npm install gulp-cli &&
          npm install &&
          ./node_modules/.bin/gulp
  generate:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - generate
      - run: git diff --exit-code
  lint:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - run: go get golang.org/x/lint/golint
      - run: make lint
  fuzzit:
    docker:
      - image: fuzzitdev/fuzzit:golang1.12-stretch-llvm9
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - setup_remote_docker
      - run: ./fuzzit.sh
  bazel:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - restore_cache:
          keys:
            - v2-bazel-cache-{{ checksum "repositories.bzl" }}
            - v2-bazel-cache-
      - configure_bazel
      - run:
          name: Check that Bazel BUILD files are up-to-date
          command: 'bazel run //:gazelle -- --mode=diff ||
            (echo "ERROR: Bazel files out-of-date, please run \`bazel run :gazelle\`" >&2; exit 1)'
      - run:
          name: Run tests with Bazel
          command: bazel test //...
      - run:
          name: Check formatting of Bazel BUILD files
          command: 'bazel run //:buildifier_check ||
            (echo "ERROR: Bazel files not formatted, please run \`bazel run :buildifier\`" >&2; exit 1)'
          when: always
      - save_cache:
          key: v2-bazel-cache-{{ checksum "repositories.bzl" }}
          paths:
            - /root/.cache/_grpc_gateway_bazel
  gorelease:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - run:
          name: Install gorelease outside local module
          command: |
            cd $(mktemp -d) &&
            go mod init tmp &&
            go get golang.org/x/exp/cmd/gorelease@latest
      - run: gorelease -base=v1.15.2
  release:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - run: go mod vendor
      - run: curl -sL https://git.io/goreleaser | bash
  update-repositoriesbzl:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - restore_cache:
          keys:
            - v2-bazel-cache-{{ checksum "repositories.bzl" }}
            - v2-bazel-cache-
      - configure_bazel
      - run:
          name: Update repositories.bzl
          command: |
            bazel run //:gazelle -- update-repos -from_file=go.mod -to_macro=repositories.bzl%go_repositories
      - renovate_git_amend_push
  regenerate:
    executor: build-env
    working_directory: /src/grpc-gateway
    steps:
      - checkout
      - generate
      - renovate_git_amend_push
workflows:
  version: 2
  all:
    jobs:
      - build
      - test
      - fuzzit
      - node_test
      - generate
      - lint
      - bazel
      - gorelease
      - release:
          filters:
            branches:
              ignore: /.*/
            tags:
              only: /v[0-9]+(\.[0-9]+)*(-.*)*/
      - update-repositoriesbzl:
          filters:
            branches:
              only: /renovate\/.+/
            tags:
              ignore: /.*/
      - regenerate:
          requires:
            # Run after update-repositoriesbzl to avoid
            # git conflicts
            - update-repositoriesbzl
          filters:
            branches:
              only: /renovate\/master-.+/
            tags:
              ignore: /.*/