contents = Jason.decode!(File.read!(pack_file))
contents["files"]
|> Enum.map(fn {name, rel_file} ->
filename = Path.join("/emoji/#{pack_name}", rel_file)
contents = Jason.decode!(File.read!(pack_file))
contents["files"]
|> Enum.map(fn {name, rel_file} ->
filename = Path.join("/emoji/#{pack_name}", rel_file)