yeet

.config/emacs/modules/lang/nix/config.el

@@ -0,0 +1,49 @@
+;;; lang/nix/config.el -*- lexical-binding: t; -*-
+
+(after! tramp
+  (add-to-list 'tramp-remote-path "/run/current-system/sw/bin"))
+
+
+;;
+;;; Plugins
+
+(use-package! nix-mode
+  :interpreter ("\\(?:cached-\\)?nix-shell" . +nix-shell-init-mode)
+  :mode "\\.nix\\'"
+  :init
+  ;; Treat flake.lock files as json. Fall back to js-mode because it's faster
+  ;; than js2-mode, and its extra features aren't needed there.
+  (add-to-list 'auto-mode-alist
+               (cons "/flake\\.lock\\'"
+                     (if (featurep! :lang json)
+                         'json-mode
+                       'js-mode)))
+  :config
+  (set-repl-handler! 'nix-mode #'+nix/open-repl)
+  (set-company-backend! 'nix-mode 'company-nixos-options)
+  (set-lookup-handlers! 'nix-mode
+    :documentation '(+nix/lookup-option :async t))
+  (set-popup-rule! "^\\*nixos-options-doc\\*$" :ttl 0 :quit t)
+
+  ;; Fix #3927: disable idle completion because `company-nixos-options' is
+  ;; dreadfully slow. It can still be invoked manually..
+  (setq-hook! 'nix-mode-hook company-idle-delay nil)
+
+  (map! :localleader
+        :map nix-mode-map
+        "f" #'nix-update-fetch
+        "p" #'nix-format-buffer
+        "r" #'nix-repl-show
+        "s" #'nix-shell
+        "b" #'nix-build
+        "u" #'nix-unpack
+        "o" #'+nix/lookup-option))
+
+(use-package! nix-drv-mode
+  :mode "\\.drv\\'")
+
+(use-package! nix-update
+  :commands nix-update-fetch)
+
+(use-package! nix-repl
+  :commands nix-repl-show)