{ pkgs, lib, ... }: { xdg.mime.defaultApplications = { "application/pdf" = "zathura.desktop"; "image/png" = [ "sxiv.desktop" "feh.desktop" ]; "image/jpg" = [ "sxiv.desktop" "feh.desktop" ]; "image/jpeg" = [ "sxiv.desktop" "feh.desktop" ]; }; }