[MacPorts] #58656: Show URL in "port info"

[MacPorts]

#58656: Show URL in "port info"
--------------------------+--------------------
  Reporter:  FranklinYu   |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:
Resolution:               |   Keywords:
      Port:               |
--------------------------+--------------------
Description changed by FranklinYu:

Old description:

> Homebrew shows URL of a formula in `brew info`. It would be cool if
> MacPorts shows similar things. For example, when I do `port info giflib`
> I would like to see
>
> {{{Portfile URL: https://github.com/macports/macports-
> ports/blob/master/graphics/giflib/Portfile}}}

New description:

 Homebrew shows URL of a formula in `brew info`. It would be cool if
 MacPorts shows similar things. For example, when I do `port info giflib` I
 would like to see

 {{{port URL: https://ports.macports.org/port/giflib/}}}

--

-- 
Ticket URL: <https://trac.macports.org/ticket/58656#comment:9>
MacPorts <https://www.macports.org/>
Ports system for macOS