doomemacs/modules/lang/nix/config.el

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;;; lang/nix/config.el -*- lexical-binding: t; -*-
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(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 (modulep! :lang json)
'json-mode
'js-mode)))
:config
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(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)
(when (modulep! +lsp)
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(add-hook 'nix-mode-local-vars-hook #'lsp! 'append))
(when (modulep! +tree-sitter)
(add-hook 'nix-mode-local-vars-hook #'tree-sitter! 'append))
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(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))
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(use-package! nix-drv-mode
:mode "\\.drv\\'")
(use-package! nix-update
:commands nix-update-fetch)
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(use-package! nix-repl
:commands nix-repl-show)