Emacs: autocomplete for .nix

etc/emacs.el

@@ -1,6 +1,20 @@
 (setq explicit-shell-file-name "/bin/sh")
 (setq shell-file-name "sh")
 
+;;
+;;
+;; NixOS
+;;
+;;
+
+
+(global-set-key (kbd "C-c C-S-n") 'helm-nixos-options)
+
+(add-hook 'after-init-hook 'global-company-mode)
+(with-eval-after-load 'company
+  (add-to-list 'company-backends 'company-nixos-options)
+  (global-set-key (kbd "TAB") #'company-indent-or-complete-common))
+
 ;;
 ;;
 ;; Backups