{ buildRubyGem, lib, ruby_2_2 }: buildRubyGem rec { ruby = ruby_2_2; name = "${gemName}-${version}"; gemName = "flvtool2"; version = "1.0.6"; source.sha256 = "0xsla1061pi4ryh3jbvwsbs8qchprchbqjy7652g2g64v37i74qj"; meta = { homepage = https://github.com/unnu/flvtool2; description = "A tool to manipulate Macromedia Flash Video files"; platforms = ruby.meta.platforms; }; }