anchor.diff:        type = with types; loaOf (submodule ({ name, config, ... }: {
           options = {
             cmd = mkOption {
  -            type = types.string;
  +            type = types.lines;
               description = "Command or script to run inside the container";
             };
   
  
positive.code:         '';
        };
        source = mkOption {
          type = string;
          description = "Source for the in-container mount";
        };
        options = mkOption {
          type = loaOf (string);
          default = [ "bind" ];
          description = ''
            Mount options of the filesystem to be used.
  
negative.code:           };
  
            runType = mkOption {
              type = types.str;
              default = "oneshot";
              description = "The systemd service run type";
            };
  
            os = mkOption {
              type = types.str;
              default = "linux";
              description = "OS type of the container";
            };
  
            arch = mkOption {
              type = types.str;
              default = "x86_64";
              description = "Computer architecture type of the container";
            };
  