stages:
- build
- build docker
- push docker

build:
  image: golang:1-alpine
  stage: build
  cache:
    paths:
    - .cache
  before_script:
  - apk add git build-base
  - mkdir -p .cache
  - export GOPATH="$CI_PROJECT_DIR/.cache"
  script:
  - go build -o mautrix-whatsapp
  artifacts:
    paths:
    - mautrix-whatsapp
    - example-config.yaml

build docker:
  image: docker:stable
  stage: build docker
  before_script:
  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  script:
  - docker pull $CI_REGISTRY_IMAGE:latest || true
  - docker build --pull --cache-from $CI_REGISTRY_IMAGE:latest --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA . --file Dockerfile.ci
  - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA

push latest:
  image: docker:stable
  stage: push docker
  only:
  - master
  variables:
    GIT_STRATEGY: none
  before_script:
  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  script:
  - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
  - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:latest
  - docker push $CI_REGISTRY_IMAGE:latest
  dependencies: []

push tag:
  image: docker:stable
  stage: push docker
  except:
  - master
  variables:
    GIT_STRATEGY: none
  before_script:
  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  script:
  - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
  - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
  - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
  dependencies: []