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:private
Modules here represent all your personal customizations. I suggest you keep them contained here to minimize friction when updating from upstream (if that matters to you).
I include my private module as a reference. I recommend you don't delete/rename it as that could cause merge conflicts.
Loading your private module
:private {user-login-name} is loaded automatically after all other modules.
Keeping it in your init.el is unnecessary, but harmless.
private/{user-login-name}/init.el is a special file, unique to the private module named after your username in user-login-name. It is loaded immediately after DOOM core is, but before any module is. This gives you an opportunity to overwrite variables and settings earlier. I will refer to this as your "private init.el".
Reconfiguring packages
If your configuration needs are simple, add-hook! and after! will be sufficient to reconfigure packages:
;; private/hlissner/config.el
(after! evil
(setq evil-magic nil))
;; Takes a major-mode or a quoted hook function
(add-hook! python-mode
(setq python-shell-interpreter "bpython"))
Look into def-package-hook! if you need more customizability. It lets you disable, add to or overwrite DOOM's def-package! blocks. These are powered by use-package's inject-hooks under the hood.
They must be used from your private init.el to work.
;; private/hlissner/init.el
;; To disable a package
(def-package-hook! evil-goggles :disable)
;; If a :pre-init / :pre-config hook returns nil, it overwrites that
;; package's original :init / :config block. Exploit this to overwrite
;; DOOM's config. Otherwise, make sure they always return non-nil!
(def-package-hook! doom-themes
:post-config
(setq doom-neotree-file-icons t)
nil)
;; Otherwise, you append to a packages config
(def-package-hook! evil
:post-init
(setq evil-magic nil)
t)Installing your own packages
Your private module is otherwise like any other module. It may possess a packages.el file, which – with the advantage of being loaded last – may be used not only to install your own packages, but overwrite past package! declarations.
;; prevent a certain package from being installed; pair this with something
;; like (def-package-hook! evil-goggles :disable) in your private init.el
(package! evil-goggles :ignore t)
;; Tell doom to get evil from somewhere else
(package! evil :recipe (:fetcher github :repo "hlissner/my-evil-fork"))