variables:
  DOCKER_DRIVER: overlay2
  DOCKER_HOST: tcp://docker:2375/
  DOCKER_BUILDKIT: 1

stages:
  - prep
  - build

fetch-versions:
  image: bash:latest
  stage: prep
  script:
    - apk add git curl jq
    - echo "export NEED_UPDATE=false" > .env
    - git clone https://gitlab.com/gitlab-org/omnibus-gitlab
    - cd omnibus-gitlab
    - "HALIA_VER=$(curl --request GET -L --header 'Accept: application/json' --header 'Content-Type: application/json' https://git.halia.dev/api/v4/projects/24/registry/repositories/6/tags | jq -r '.[].location' | grep -v latest | cut -d ':' -f2 | sort -V | tail -1)"
    - "GITLAB_VER=$(git tag | sort -V | grep ce | tail -1 | cut -d '+' -f1)"
    - if [ $HALIA_VER != $GITLAB_VER ]; then echo "export NEED_UPDATE=true" > ../.env; fi
  artifacts:
    reports:
      dotenv: .env

build-image:
  image: docker:latest
  stage: build
  services:
    - name: docker:dind
      command: ["dockerd", "--host=tcp://0.0.0.0:2375"]
      alias: "docker"
  script:
    - source status
    - if [ "$NEED_UPDATE" = false ]; then exit 0; fi
    - docker run --rm --privileged docker/binfmt:a7996909642ee92942dcd6cff44b9b95f08dad64
    - docker buildx create --name arm_builder
    - docker buildx use arm_builder
    - docker buildx inspect --bootstrap
  rules:
    - if: '$NEED_UPDATE = "true"'