.gitlab-ci.yml

---
stages:
  - build
  - lint
  - test
variables:
  DOCKER_HOST: tcp://docker:2375

.go-cache:
  variables:
    GOPATH: $CI_PROJECT_DIR/.go
  image:
    name: $CI_REGISTRY_GO/golang:1.16
    entrypoint: [""]
  before_script:
    - mkdir -p .go
  cache:
    paths:
      - .go/pkg/mod/

build:
  extends: .go-cache
  stage: build
  needs: []
  tags:
    - go
  before_script:
    - mkdir -p .go
  script:
    - go build

tidy:
  stage: lint
  needs: ["build"]
  image:
    name: $CI_REGISTRY_GO/golang:1.16
    entrypoint: [""]
  tags:
    - go
  script:
    - go mod tidy
    - test -z "$(git diff 2> /dev/null)" || exit 'Go modules not tidied, issue \`go mod tidy\` and commit the result'

golangci-lint:
  stage: lint
  needs: ["build"]
  image:
    name: $CI_REGISTRY_GO/lint:latest
    entrypoint: [""]
  tags:
    - go
  script:
    - golangci-lint run --color always --timeout 120s

test:
  extends: .go-cache
  stage: test
  needs: ["build"]
  image:
    name: $CI_REGISTRY_GO/golang:1.16
    entrypoint: [""]
  tags:
    - go
  script:
    - go test ./... -cover