port-depgraph warning

[Ryan Schmidt]

> On Apr 13, 2017, at 16:38, db <iamsudo at gmail.com> wrote:
> 
> On 13 Apr 2017, at 17:38, Rainer Müller <raimue at macports.org> wrote:
>> You are effectively running it with an empty argument, which is not a valid port name:
>> $ port-depgraph ""
>> That could indeed be handled more graceful. The source can be found here after the move to GitHub:
>> https://github.com/macports/macports-contrib/tree/master/port-depgraph
> 
> I also noticed the svn url in the portfile.

Sure. That's still valid. There haven't been any changes in port-depgraph since we moved to GitHub so there's no particular advantage to switching the portfile to GitHub yet.