From 9a44d45168b01d17f3bc29b0bb348eb28b9d9d2f Mon Sep 17 00:00:00 2001
From: Sean Whitton <spwhitton@spwhitton.name>
Date: Fri, 15 Jul 2022 15:33:23 -0700
Subject: replace spw/with-less-gc and wrapper inside spw/gnus with advice

---
 .emacs.d/init.el | 58 +++++++++++++++++++++++++-------------------------------
 1 file changed, 26 insertions(+), 32 deletions(-)

diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index e3b5ec1e..d73588ee 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -551,13 +551,6 @@ that's something we can determine.")
 		  (set-window-prev-buffers nil ,prev-buffers))
        . ,keyword-arguments)))
 
-(defmacro spw/with-less-gc (&rest forms)
-  "Execute FORMS with temporarily much higher GC thresholds."
-  (declare (indent 0))
-  `(let ((gc-cons-percentage 0.6)
-	 (gc-cons-threshold 402653184))
-     ,@forms))
-
 
 ;;;; The *scratch* and *notes* buffers
 
@@ -1823,7 +1816,7 @@ The ideas behind these behaviours are as follows.
 ;; pass to that function, and if blank, do what function does now).
 (defun spw/browse-gmane ()
   (interactive)
-  (spw/with-less-gc (gnus-no-server))
+  (gnus-no-server)
   (gnus-group-browse-foreign-server '(nntp "news.gmane.io")))
 (global-set-key "\C-cgG" #'spw/browse-gmane)
 
@@ -2723,30 +2716,31 @@ mutt's review view, after exiting EDITOR."
 (with-eval-after-load 'gnus
   (unless (gnus-getenv-nntpserver) (setq gnus-select-method '(nnnil ""))))
 
+(defun spw/gnus-startup-wrapper (orig-fun &rest args)
+  (if (and (daemonp) (file-directory-p "~/.fmail/")
+	   (not (file-exists-p "~/.newsrc.eld")))
+      (user-error "Must use dedicated Emacs for Gnus first run")
+    (let ((gc-cons-percentage 0.6)
+	  (gc-cons-threshold 402653184))
+      (apply orig-fun args))))
+(advice-add 'gnus :around #'spw/gnus-startup-wrapper)
+(advice-add 'gnus-no-server :around #'spw/gnus-startup-wrapper)
+
 (defun spw/gnus (&optional fetch-and-inbox)
   (interactive "P")
-  (cl-flet ((gnus ()
-	      ;; Require a dedicated Emacs so that primary session is not
-	      ;; locked up for ages while maildir NOV files are generated.
-	      (if (and (daemonp) (file-directory-p "~/.fmail/")
-		       (not (file-exists-p "~/.newsrc.eld")))
-		  (user-error "Must use dedicated Emacs for Gnus first run")
-		(spw/with-less-gc (gnus)))))
-    (require 'gnus)
-    (if (not fetch-and-inbox)
-	(if (gnus-alive-p)
-	    (pop-to-buffer-same-window gnus-group-buffer)
-	  (spw/with-less-gc (gnus)))
-      ;; We want to see mail that we think has just come in.  This is the only
-      ;; time we call 'notmuch new' without --no-hooks from Emacs rather than
-      ;; just waiting for cron, because it's slow.
-      (unless (gnus-alive-p) (spw/with-less-gc (gnus)))
-      (with-temp-message "Fetching & indexing mail ..."
-	(call-process "notmuch" nil nil nil "new"))
-      (if (not (get-buffer "*Summary nnselect:Process-Weekday*"))
-	  (gnus-group-read-group nil t "nnselect:Process-Weekday")
-	(pop-to-buffer-same-window "*Summary nnselect:Process-Weekday*")
-	(gnus-summary-rescan-group)))))
+  (require 'gnus)
+  (if (not fetch-and-inbox)
+      (if (gnus-alive-p) (pop-to-buffer-same-window gnus-group-buffer) (gnus))
+    ;; We want to see mail that we think has just come in.  This is the only
+    ;; time we call 'notmuch new' without --no-hooks from Emacs rather than
+    ;; just waiting for cron, because it's slow.
+    (unless (gnus-alive-p) (gnus))
+    (with-temp-message "Fetching & indexing mail ..."
+      (call-process "notmuch" nil nil nil "new"))
+    (if (not (get-buffer "*Summary nnselect:Process-Weekday*"))
+	(gnus-group-read-group nil t "nnselect:Process-Weekday")
+      (pop-to-buffer-same-window "*Summary nnselect:Process-Weekday*")
+      (gnus-summary-rescan-group))))
 (global-set-key "\C-cgn" #'spw/gnus)
 
 (defun spw/gnus-notmuch-ephemeral-search (query &optional limit)
@@ -2754,7 +2748,7 @@ mutt's review view, after exiting EDITOR."
 		     (and current-prefix-arg
 			  (prefix-numeric-value current-prefix-arg))))
   (require 'gnus)
-  (unless (gnus-alive-p) (spw/with-less-gc (gnus)))
+  (unless (gnus-alive-p) (gnus))
   (gnus-group-read-ephemeral-group
    (concat "nnselect-" (message-unique-id)) (list 'nnselect "nnselect")
    nil (cons (current-buffer) gnus-current-window-configuration) nil nil
@@ -2870,7 +2864,7 @@ mutt's review view, after exiting EDITOR."
       (setq spw/gnus-all-process-groups
 	    (spw/nm| (mapcar #'cdr process-groups)))
       (require 'gnus) (require 'nnselect)
-      (unless (gnus-alive-p) (spw/with-less-gc (gnus-no-server)))
+      (unless (gnus-alive-p) (gnus-no-server))
 
       ;; Kill all summaries in case any of their queries have changed.
       (catch 'done
-- 
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