doomemacs/modules/app/everywhere/doctor.el

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;;; app/everywhere/doctor.el -*- lexical-binding: t; -*-
(when (featurep :system 'windows)
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(error! "emacs-everywhere package does not support windows."))
(when (featurep :system 'linux)
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(let (unmet-deps)
(dolist (dep '("xclip" "xdotool" "xprop" "xwininfo"))
(unless (executable-find dep)
(push dep unmet-deps)))
(when unmet-deps
(error! "Unmet dependencies: %s" (string-join unmet-deps ", ")))))