New comment by dmarto on void-packages repository

https://github.com/void-linux/void-packages/pull/49019#issuecomment-1975311885

Comment:
You need to handle (i.e download) the git submodule, as they are not included in the sources. 

https://github.com/zed-industries/zed/blob/main/.gitmodules

AFAIK, there is not a set way/approach for it in void, different pkgs deal differently - some ask upstream for "hydrated" sources, other add them as distfiles, etc.. 

Hope that helps :)