#!/bin/sh -eu

: "${CI_REGISTRY_IMAGE:=registry.gitlab.com/zimbatm/docker-nixpkgs}"
: "${REGISTRY_URL:=$CI_REGISTRY_IMAGE/undefined}"

releases_json=$(nix-instantiate ./release.nix --strict --eval --json)

for attr in $(echo "$releases_json" | jq -r "keys[]") ; do
  file=$(echo "$releases_json" | jq -r ".\"$attr\"")
  echo "--- $attr -> $file"
  skopeo copy "docker-archive://$file" "docker://$REGISTRY_URL/$attr:latest"
done