Great. I have a major complaint about Nix. Their packages are built with all sorts of dependencies included. So you install mutt and you end up getting python.

Great. I have a major complaint about Nix. Their packages are built with all sorts of dependencies included. So you install mutt and you end up getting python. Or you install git and you also get subversion. I understand all their philosophy, but they should allow for flexible runtime dependencies without the need for rebuilding packages. Perhaps with a second hash or something, to sign dependencies.