doomemacs/modules/tools/direnv/config.el
Henrik Lissner ef8cd55234
tools/direnv: fix direnv+flycheck integration
Also fixes direnv+flycheck for nix users by consulting direnv before
looking for flycheck executables.
2019-07-09 16:11:36 +02:00

24 lines
1,009 B
EmacsLisp

;;; tools/direnv/config.el -*- lexical-binding: t; -*-
(def-package! direnv
:after-call (after-find-file dired-initial-position-hook)
:config
(defun +direnv|init ()
"Instead of checking for direnv on `post-command-hook', check on
buffer/window/frame switch, which is less expensive."
(direnv--disable)
(when direnv-mode
(add-hook 'doom-switch-buffer-hook #'direnv--maybe-update-environment)
(add-hook 'doom-switch-window-hook #'direnv--maybe-update-environment)
(add-hook 'focus-in-hook #'direnv--maybe-update-environment)))
(add-hook 'direnv-mode-hook #'+direnv|init)
(defun +direnv*update (&rest _)
"Update direnv. Useful to advise functions that may run
environment-sensitive logic like `flycheck-default-executable-find'. This fixes
flycheck issues with direnv and on nix."
(direnv-update-environment default-directory))
(advice-add #'flycheck-default-executable-find :before #'+direnv*update)
(when (executable-find "direnv")
(direnv-mode +1)))