[emacs] don’t display *compilation* on build success (uses cl-letf)

diff --git a/init.org b/init.org
index 8763a02..f05e53c 100644 (file)
--- a/init.org
+++ b/init.org
@@ -646,18 +646,33 @@ Enable =winner-mode=.
 (winner-mode 1)
 #+end_src
 
-*** COMMENT Close =*compilation*= on success
+*** Don’t display =*compilation*= on success
+
+Based on https://stackoverflow.com/a/17788551, with changes to use
+=cl-letf= instead of the now obsolete =flet=.
 
 #+begin_src emacs-lisp
-(setq compilation-exit-message-function
-      (lambda (status code msg)
-        "Close the compilation window if successful."
-        ;; if M-x compile exits with 0
-         (when (and (eq status 'exit) (zerop code))
-           (bury-buffer)
-           (delete-window (get-buffer-window (get-buffer "*compilation*"))))
-         ;; return the result of compilation-exit-message-function
-         (cons msg code)))
+(defun amin--compilation-finish-function (buffer outstr)
+  (unless (string-match "finished" outstr)
+    (switch-to-buffer-other-window buffer))
+  t)
+
+(setq compilation-finish-functions #'amin--compilation-finish-function)
+
+(require 'cl-macs)
+
+(setq ad-redefinition-action 'accept)
+(defadvice compilation-start
+    (around inhibit-display
+            (command &optional mode name-function highlight-regexp))
+  (if (not (string-match "^\\(find\\|grep\\)" command))
+      (cl-letf (((symbol-function 'display-buffer)   #'ignore)
+                ((symbol-function 'set-window-point) #'ignore)
+                ((symbol-function 'goto-char)        #'ignore))
+        (save-window-excursion ad-do-it))
+    ad-do-it))
+
+(ad-activate 'compilation-start)
 #+end_src
 
 *** Search for non-ASCII characters
@@ -827,8 +842,7 @@ file.
                                                                   ',file-tangle-start-time)))
                              ""))
                   (when amin-async-tangle-post-compile
-                    (save-window-excursion
-                      (compile amin-async-tangle-post-compile))))
+                    (compile amin-async-tangle-post-compile)))
               (message "Tangling %s failed" ,file-nodir))))))))
 
 (add-to-list
@@ -2266,6 +2280,7 @@ Display how long it took to load the init file.
 (message "Loading %s...done (%.3fs)" user-init-file
          (float-time (time-subtract (current-time)
                                     amin--before-user-init-time)))
+(setq ad-redefinition-action 'warn)
 #+end_src
 
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