christiaan@alucard:~/devel/clash-compiler$ nix run nixpkgs.nix-info -c nix-info -m
 - system: `"x86_64-linux"`
 - host os: `Linux 4.15.0-55-generic, Ubuntu, 18.04.2 LTS (Bionic Beaver)`
 - multi-user?: `yes`
 - sandbox: `no`
 - version: `nix-env (Nix) 2.2.2`
 - channels(christiaan): `"nixos-18.03-18.03.133402.cb0e20d6db9, nixos-19.03-19.03.173179.ef4753de2aa"`
 - channels(root): `"nixpkgs-19.03pre160749.3a393eecafb"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixpkgs`