Ranger
From NixOS Wiki
Enabling
To use ranger, add it to configuration.nix:
/etc/nixos/configuration.nix
environment.systemPackages = with pkgs; [
#----=[ File Manager ]=----#
ranger
...
];
Adds file glyphs / icon support to Ranger
Follow the instructions in: ranger_devicons But before install it, you have to install a nerdfont derivations. i suggest to install: nur.repos.mic92.source-code-pro-nerdfonts from NUR.