hpack software package provides alternative format for Haskell packages, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hpack
hpack is installed in your system.
Make ensure the hpack package were installed using the commands given below,
$ sudo dpkg-query -l | grep hpack *
You will get with hpack package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Haskell |
| Package | hpack |
| Version | 0.14.1-4 |
| Description | alternative format for Haskell packages |
| Sub Section | haskell |