List of installed package, version pairs

[Jack Hill]

Hi,

It seems that work has noticed the GuixSD host that I brought into the 
office. The security office maintains a risk profile be collecting lists 
of installed packages, so I've been asked to produce one for the GuixSD 
host. I assume that the garbage collector's live-paths is roughly 
equivalent to what they want.

However, I've become stuck developing this report as both "guix gc 
--list-live" and the live-paths function in the (guix store) Guile module 
produce a list of store paths. I would like to get the package name and 
version. Is there a good way to do this without resorting to string 
manipulation?

Best,
Jack