X-Git-Url: https://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fspam-stat.el;h=fcee567f9fd861bf4ffd30086dc5d53c001da601;hb=e405b22c6b46721607c5e6c712a4705c23dee751;hp=d84ac23ca08a576bd09c013dedca117b81ea49bb;hpb=96d4a7cc3dda58f46de9f03c18f91f8a59e4a8e5;p=gnus

diff --git a/lisp/spam-stat.el b/lisp/spam-stat.el
index d84ac23ca..fcee567f9 100644
--- a/lisp/spam-stat.el
+++ b/lisp/spam-stat.el
@@ -129,7 +129,7 @@
 Use the functions to build a dictionary of words and their statistical
 distribution in spam and non-spam mails.  Then use a function to determine
 whether a buffer contains spam or not."
-  :version "21.4"
+  :version "22.1"
   :group 'gnus)
 
 (defcustom spam-stat-file "~/.spam-stat.el"
@@ -186,6 +186,9 @@ been touched in this many days will be considered.  Without
 this filter, re-training spam-stat with several thousand messages
 will start to take a very long time.")
 
+(defvar spam-stat-last-saved-at nil
+  "Time stamp of last change of spam-stat-file on this run")
+
 (defvar spam-stat-syntax-table
   (let ((table (copy-syntax-table text-mode-syntax-table)))
     (modify-syntax-entry ?- "w" table)
@@ -401,14 +404,25 @@ spam-stat (spam-stat-to-hash-table '(" spam-stat-ngood spam-stat-nbad))
 				  (spam-stat-bad entry))))
 		   spam-stat)
 	  (insert ")))"))))
-	(setq spam-stat-dirty nil)))
+    (message "Saved %s."  spam-stat-file)
+    (setq spam-stat-dirty nil
+          spam-stat-last-saved-at (nth 5 (file-attributes spam-stat-file)))))
 
 (defun spam-stat-load ()
   "Read the `spam-stat' hash table from disk."
   ;; TODO: maybe we should warn the user if spam-stat-dirty is t?
   (let ((coding-system-for-read spam-stat-coding-system))
-    (load-file spam-stat-file))
-  (setq spam-stat-dirty nil))
+    (cond (spam-stat-dirty (message "Spam stat not loaded: spam-stat-dirty t"))
+          ((or (not (boundp 'spam-stat-last-saved-at))
+               (null spam-stat-last-saved-at)
+               (not (equal spam-stat-last-saved-at
+                           (nth 5 (file-attributes spam-stat-file)))))
+           (progn 
+             (load-file spam-stat-file)
+             (setq spam-stat-dirty nil
+                   spam-stat-last-saved-at 
+                   (nth 5 (file-attributes spam-stat-file)))))
+          (t (message "Spam stat file not loaded: no change in disk..")))))
 
 (defun spam-stat-to-hash-table (entries)
   "Turn list ENTRIES into a hash table and store as `spam-stat'.