Improve idempotency of Doom config (in case of reloading)

core/core-packages.el

@@ -1020,7 +1020,7 @@ Do not use this for configuring Doom core."
        (defun ,fn ,arglist
          ,docstring
          ,@forms)
-       (cl-pushnew ',(cons keyword fn) doom-settings :test #'eq :key #'car))))
+       (map-put doom-settings ,keyword #',fn))))
 
 (defmacro set! (keyword &rest values)
   "Set an option defined by `def-setting!'. Skip if doesn't exist. See

modules/completion/helm/config.el

@@ -15,7 +15,7 @@
   :config
   (helm-mode +1)
   ;; helm is too heavy for find-file-at-point
-  (add-to-list 'helm-completing-read-handlers-alist '(find-file-at-point . nil)))
+  (map-put helm-completing-read-handlers-alist 'find-file-at-point nilk))
 
 
 (def-package! helm

modules/completion/ivy/config.el

@@ -48,7 +48,7 @@ immediately runs it on the current candidate (ending the ivy session)."
         ivy-use-selectable-prompt t)
 
   (after! magit     (setq magit-completing-read-function #'ivy-completing-read))
-  (after! yasnippet (push #'+ivy-yas-prompt yas-prompt-functions))
+  (after! yasnippet (cl-pushnew #'+ivy-yas-prompt yas-prompt-functions :test #'eq))
 
   (map! [remap switch-to-buffer]       #'ivy-switch-buffer
         [remap persp-switch-to-buffer] #'+ivy/switch-workspace-buffer
@@ -202,13 +202,13 @@ immediately runs it on the current candidate (ending the ivy session)."
                     'ivy-posframe-display-at-window-bottom-left
                     'ivy-posframe-display-at-window-center
                     '+ivy-display-at-frame-center-near-bottom))
-    (push (list fn :cleanup 'ivy-posframe-cleanup) ivy-display-functions-props))
+    (map-put ivy-display-functions-props fn '(:cleanup ivy-posframe-cleanup)))
 
-  (push '(t . +ivy-display-at-frame-center-near-bottom) ivy-display-functions-alist)
+  (map-put ivy-display-functions-alist 't '+ivy-display-at-frame-center-near-bottom)
 
   ;; posframe doesn't work well with async sources
   (dolist (fn '(swiper counsel-rg counsel-ag counsel-pt counsel-grep counsel-git-grep))
-    (push (cons fn nil) ivy-display-functions-alist))
+    (map-put ivy-display-functions-alist fn nil))
 
   (setq ivy-height 16
         ivy-fixed-height-minibuffer nil

modules/feature/evil/config.el

@@ -220,12 +220,12 @@
     (cons (format "(%s " (or (read-string "(") "")) ")"))
 
   ;; Add escaped-sequence support to embrace
-  (push (cons ?\\ (make-embrace-pair-struct
+  (map-put (default-value 'embrace--pairs-list)
+           ?\\ (make-embrace-pair-struct
                 :key ?\\
                 :read-function #'+evil--embrace-escaped
                 :left-regexp "\\[[{(]"
-                   :right-regexp "\\[]})]"))
+                :right-regexp "\\[]})]")))
-        (default-value 'embrace--pairs-list)))
 
 
 (def-package! evil-escape
@@ -307,11 +307,11 @@ the new algorithm is confusing, like in python or ruby."
   ;; Add custom commands to whitelisted commands
   (dolist (fn '(doom/backward-to-bol-or-indent doom/forward-to-last-non-comment-or-eol
                 doom/backward-kill-to-bol-and-indent))
-    (push (cons fn '((:default . evil-mc-execute-default-call)))
+    (map-put evil-mc-custom-known-commands
-          evil-mc-custom-known-commands))
+             fn '((:default . evil-mc-execute-default-call))))
 
   ;; disable evil-escape in evil-mc; causes unwanted text on invocation
-  (push 'evil-escape-mode evil-mc-incompatible-minor-modes)
+  (cl-pushnew 'evil-escape-mode evil-mc-incompatible-minor-modes :test #'eq)
 
   (defun +evil|escape-multiple-cursors ()
     "Clear evil-mc cursors and restore state."
@@ -380,8 +380,9 @@ the new algorithm is confusing, like in python or ruby."
              evil-forward-arg evil-backward-arg
              evil-jump-out-args)
   :config
+  (unless (member "<" evil-args-openers)
     (push "<" evil-args-openers)
-  (push ">" evil-args-closers))
+    (push ">" evil-args-closers)))
 
 
 (def-package! evil-indent-plus