This is a companion discussion topic for the original entry at https://nsscreencast.com/episodes/501-modularization-nested-xcode-projects
This is a companion discussion topic for the original entry at https://nsscreencast.com/episodes/501-modularization-nested-xcode-projects
At 25:00 you open the Swift Package reference and then mention that there is no easy way to copy the URL; turns out there is: when you have the dialog open (from double-clicking the entry), you can select and copy the URL from that window. 
Ah nice tip, thanks!