{ config, pkgs, lib, ... }: let apps = { "x-scheme-handler/mailto" = "userapp-Thunderbird-PB7NI0.desktop"; "message/rfc822" = "userapp-Thunderbird-PB7NI0.desktop"; "x-scheme-handler/http" = "firefox.desktop"; "x-scheme-handler/https" = "firefox.desktop"; "x-scheme-handler/ftp" = "firefox.desktop"; "x-scheme-handler/chrome" = "firefox.desktop"; "text/html" = "firefox.desktop"; "application/x-extension-htm" = "firefox.desktop"; "application/x-extension-html" = "firefox.desktop"; "application/x-extension-shtml" = "firefox.desktop"; "application/xhtml+xml" = "firefox.desktop"; "application/x-extension-xhtml" = "firefox.desktop"; "application/x-extension-xht" = "firefox.desktop"; "text/plain" = "vim.desktop"; "application/pdf" = "org.pwmt.zathura.desktop"; }; in { xdg = { enable = true; mimeApps = { enable = true; associations.added = apps; defaultApplications = apps; }; }; home.packages = with pkgs; [ firefox-bin xdg_utils zathura ]; }