version: 2

shared: &shared
  environment: # environment variables for the build itself
    GOPATH: /go
    TEST_RESULTS: /tmp/test-results
  steps: # steps that comprise the `build` job
    - checkout # check out source code to working directory
    - run: mkdir -p $TEST_RESULTS # create the test results directory

    - restore_cache: # restores saved cache if no changes are detected since last run
        keys:
        - v1-pkg-cache
    - run:
      name: Load dependencies
      command: go get github.com/mattn/goveralls && go get github.com/go-ini/ini && go get gopkg.in/yaml.v2
    - run:
      name: Load nix-amer
      command: go get github.com/xdrm-brackets/nix-amer
    - run:
      name: Unit tests
      command: go test -v -cover -race -coverprofile=$COVER_PROFILE github.com/xdrm-brackets/nix-amer/... | tee $TEST_RESULTS/out
    - run:
      name: go fmt
      command: go fmt github.com/xdrm-brackets/nix-amer/...
    - run:
      name: go vet
      command: go vet github.com/xdrm-brackets/nix-amer/...


    - store_artifacts: # Upload test summary for display in Artifacts
      path: /tmp/test-results
      destination: raw-test-output

    - store_test_results: # Upload test results for display in Test Summary
      path: /tmp/test-results

jobs:
  latest:
    docker:
      - image: circleci/golang
    <<: *shared
    - run:
      name: Update coveralls.io
      command: /go/bin/goveralls -coverprofile=$COVER_PROFILE -service=circle-ci -repotoken=$COVERALLS_TOKEN

  go-1.10:
    docker:
      - image: circleci/golang:1.10
    <<: *shared