golang-github-voxelbrain-goptions-dev 2.5.11-2.1 (amd64 binary) in ubuntu hirsute

 goptions implements a flexible parser for command line options in Go.
 .
 Key targets were the support for both long and short flag versions,
 mutually exclusive flags, and verbs. Flags and their corresponding
 variables are defined by the tags in a (possibly anonymous) struct.