include:
  - component: $CI_SERVER_FQDN/$CI_PROJECT_PATH/nix-gitlab-ci@$CI_COMMIT_SHA

stages:
  - build
  - trigger

build:image:
  stage: build
  parallel:
    matrix:
      - VARIANT: [ "", "-cachix", "-attic" ]
  image: nixpkgs/nix-flakes:latest
  before_script:
    - nix profile install nixpkgs#skopeo
    - export PATH="$PATH:$HOME/.nix-profile/bin"
  script:
    - nix build .#image${VARIANT}
    - export NORMALIZED_BRANCH=${CI_COMMIT_BRANCH/\//-}
    - skopeo --insecure-policy copy  --dest-creds "${CI_REGISTRY_USER}:${CI_REGISTRY_PASSWORD}" --tmpdir /tmp
      "docker-archive:result"
      "docker://$CI_REGISTRY_IMAGE/nix-ci:${NORMALIZED_BRANCH/main/latest}${VARIANT}"
    - skopeo --insecure-policy copy --dest-creds "${CI_REGISTRY_USER}:${CI_REGISTRY_PASSWORD}" --tmpdir /tmp
      "docker-archive:result"
      "docker://$CI_REGISTRY_IMAGE/nix-ci:$(date +"%m-%d-%y")${VARIANT}"