kubenix/lib/docker.nix

{ lib, pkgs }:

with lib;

{
  copyDockerImages = { images,  dest, args ? "" }:
    pkgs.writeScript "copy-docker-images.sh" (concatMapStrings (image: ''
      #!${pkgs.runtimeShell}

      set -e

      echo "copying '${image.imageName}:${image.imageTag}' to '${dest}/${image.imageName}:${image.imageTag}'"
      ${pkgs.skopeo}/bin/skopeo copy ${args} $@ docker-archive:${image} ${dest}/${image.imageName}:${image.imageTag}
    '') images);
}