Thanks for linking to this! Do you know of a way to get a list of installed packages then? "nix-env -q" lists the meta-package but not the packages installed within. Also, when you update packages, does the update propagate to the sub-packages?
I'd expect you list installed packages by pointing your text editor at the file where you defined which packages you want your meta-package to pull in, no?
I basically define a custom meta-package with all the packages I want as dependencies and install it with `nix-env -iA`.
[0]: https://github.com/asymmetric/dotfiles/blob/master/config.ni...