$ pkcon get-details firefox
Getting details               [=========================]
Waiting in queue              [=========================]
Starting                      [=========================]
Loading cache                 [=========================]
Querying                      [=========================]
Package description
  package:     firefox-20.0+build1-0ubuntu0.12.04.3.amd64
  license:     unknown
  group:       internet
  description: Firefox delivers safe, easy web browsing. A familiar user interface, enhanced security features including protection from online identity theft, and integrated search let you get the most out of the web.
  size:        55830528 bytes
  url: