# Pony-up!
machine:
  pre:
  # Install gvm
    - bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/1.0.22/binscripts/gvm-installer)
  # Install codecov for coverage
    - pip install --user codecov

  post:
  # go
    - gvm install go1.8 --prefer-binary --name=stable

  environment:
  # Convenient shortcuts to "common" locations
    CHECKOUT: /home/ubuntu/$CIRCLE_PROJECT_REPONAME
    BASE_DIR: src/github.com/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME
  # Trick circle brainflat "no absolute path" behavior
    BASE_STABLE: ../../../$HOME/.gvm/pkgsets/stable/global/$BASE_DIR
    DOCKER_BUILDTAGS: "include_oss include_gcs"
  # Workaround Circle parsing dumb bugs and/or YAML wonkyness
    CIRCLE_PAIN: "mode: set"

  hosts:
  # Not used yet
    fancy: 127.0.0.1

dependencies:
  pre:
  # Copy the code to the gopath of all go versions
    - >
      gvm use stable &&
      mkdir -p "$(dirname $BASE_STABLE)" &&
      cp -R "$CHECKOUT" "$BASE_STABLE"

  override:
  # Install dependencies for every copied clone/go version
    - gvm use stable && go get github.com/lk4d4/vndr:
        pwd: $BASE_STABLE

  post:
  # For the stable go version, additionally install linting tools
    - >
      gvm use stable &&
      go get github.com/axw/gocov/gocov github.com/golang/lint/golint

test:
  pre:
  # Output the go versions we are going to test
    # - gvm use old && go version
    - gvm use stable && go version

  # Ensure validation of dependencies
    - git fetch origin:
        pwd: $BASE_STABLE
    - gvm use stable && if test -n "`git diff --stat=1000 origin/master | grep -E \"^[[:space:]]*vendor\"`"; then make dep-validate; fi:
        pwd: $BASE_STABLE

  # First thing: build everything. This will catch compile errors, and it's
  # also necessary for go vet to work properly (see #807).
    - gvm use stable && go install $(go list ./... | grep -v "/vendor/"):
        pwd: $BASE_STABLE

  # FMT
    - gvm use stable && make fmt:
        pwd: $BASE_STABLE

   # VET
    - gvm use stable && make vet:
        pwd: $BASE_STABLE

  # LINT
    - gvm use stable && make lint:
        pwd: $BASE_STABLE

  override:
  # Test stable, and report
     - gvm use stable; export ROOT_PACKAGE=$(go list .); go list -tags "$DOCKER_BUILDTAGS" ./... | grep -v "/vendor/" | xargs -L 1 -I{} bash -c 'export PACKAGE={}; go test -tags "$DOCKER_BUILDTAGS" -test.short -coverprofile=$GOPATH/src/$PACKAGE/coverage.out -coverpkg=$(./coverpkg.sh $PACKAGE $ROOT_PACKAGE) $PACKAGE':
         timeout: 1000
         pwd: $BASE_STABLE

  # Test stable with race
     - gvm use stable; export ROOT_PACKAGE=$(go list .); go list -tags "$DOCKER_BUILDTAGS" ./... | grep -v "/vendor/" | grep -v "registry/handlers" | grep -v "registry/storage/driver" | xargs -L 1 -I{} bash -c 'export PACKAGE={}; go test -race -tags "$DOCKER_BUILDTAGS" -test.short $PACKAGE':
         timeout: 1000
         pwd: $BASE_STABLE
  post:
  # Report to codecov
    - bash <(curl -s https://codecov.io/bash):
        pwd: $BASE_STABLE

  ## Notes
  # Do we want these as well?
  # - go get code.google.com/p/go.tools/cmd/goimports
  # - test -z "$(goimports -l -w ./... | tee /dev/stderr)"
  # http://labix.org/gocheck