There is an updated pull request by Chocimier against master on the void-packages repository

https://github.com/Chocimier/void-packages-org xbps-src-p
https://github.com/void-linux/void-packages/pull/23457

xbps-src: -p argument for showing more variables
I use this to know if package is restricted when bulk parsing templates. show-pkg-var and show-pkg-var-dump lacks distfiles, and calling xbps-src twice is too slow.

A patch file from https://github.com/void-linux/void-packages/pull/23457.patch is attached