Here is a small patch for emerge so that in "-pv" mode, it only display the overlays if there are actually some packages that will be emerged from overlays. Also added some color to make it, imo, more readable. Reproducible: Always Steps to Reproduce:
Created attachment 24593 [details, diff] display_overlays.patch Patch is against 2.0.50_pre21.
I just applied the patch in cvs. Thank you.