golang-github-docopt-docopt-go-dev 0.6.2+git20180111.ee0de3b-1 (amd64 binary) in ubuntu hirsute

 Docopt helps you define an interface for your command-line app and
 automatically generate a parser for it. Its interface descriptions are
 based on a formalization of the standard conventions used in help
 messages and man pages.
 .
 This package provides an implementation of docopt in the Go programming
 language.