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-rw-r--r--lisp/ChangeLog6
-rw-r--r--lisp/emacs-lisp/nadvice.el10
2 files changed, 13 insertions, 3 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 5abb4954a97..dd7b8456368 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
+2013-05-06 Stefan Monnier <monnier@iro.umontreal.ca>
+
+ * emacs-lisp/nadvice.el (advice--member-p): Return the advice if found.
+ (advice--add-function): Refresh the advice if already present
+ (bug#14317).
+
2013-05-06 Ivan Andrus <darthandrus@gmail.com>
* find-file.el (cc-other-file-alist): Add ".m" for ObjC. (Bug#14339)
diff --git a/lisp/emacs-lisp/nadvice.el b/lisp/emacs-lisp/nadvice.el
index 12166553a14..c08d671e7eb 100644
--- a/lisp/emacs-lisp/nadvice.el
+++ b/lisp/emacs-lisp/nadvice.el
@@ -167,7 +167,7 @@ WHERE is a symbol to select an entry in `advice--where-alist'."
(if (or (equal function (advice--car definition))
(when name
(equal name (cdr (assq 'name (advice--props definition))))))
- (setq found t)
+ (setq found definition)
(setq definition (advice--cdr definition))))
found))
@@ -260,8 +260,12 @@ is also interactive. There are 3 cases:
;;;###autoload
(defun advice--add-function (where ref function props)
- (unless (advice--member-p function (cdr (assq 'name props))
- (gv-deref ref))
+ (let ((a (advice--member-p function (cdr (assq 'name props))
+ (gv-deref ref))))
+ (when a
+ ;; The advice is already present. Remove the old one, first.
+ (setf (gv-deref ref)
+ (advice--remove-function (gv-deref ref) (advice--car a))))
(setf (gv-deref ref)
(advice--make where function (gv-deref ref) props))))