> Not yet!  You could do it manually roughly by (1) listing the referrers
> of the store item, recursively, and (2) finding the symlinks in
> /var/guix/gcroots that point to one of these.

In the example in my first message, the referrers of the .drv are either
non-existent or the .drv itself.  In this case, there should be no GC root then,
right?  Why is the item considered alive?

-- 
Pierre Neidhardt
https://ambrevar.xyz/