* autorevert.el (auto-revert-handler): Allow

`auto-revert-tail-mode' for remote files.

diff --git a/lisp/autorevert.el b/lisp/autorevert.el
index ab133af00f132c1dd2d751c041a33207bd8dd05a..81d9fbf55c079279effcc184358f5096c6e8dc85 100644 (file)
--- a/lisp/autorevert.el
+++ b/lisp/autorevert.el
@@ -66,6 +66,7 @@
 ;; change by growing at the end.  It only appends the new output,
 ;; instead of reverting the entire buffer.  It does so even if the
 ;; buffer contains unsaved changes.  (Because they will not be lost.)
+;; Auto Revert Tail Mode works also for remote files.
 
 ;; Usage:
 ;;
@@ -432,13 +433,18 @@ This is an internal function used by Auto-Revert Mode."
     (let* ((buffer (current-buffer)) size
           (revert
            (or (and buffer-file-name
-                    (not (file-remote-p buffer-file-name))
                     (file-readable-p buffer-file-name)
                     (if auto-revert-tail-mode
-                        (/= auto-revert-tail-pos
-                           (setq size
-                                 (nth 7 (file-attributes buffer-file-name))))
-                      (not (verify-visited-file-modtime buffer))))
+                        ;; Tramp caches the file attributes.  Setting
+                        ;; `tramp-cache-inhibit' forces Tramp to
+                        ;; reread the values.
+                        (let ((tramp-cache-inhibit-cache t))
+                          (/= auto-revert-tail-pos
+                              (setq size
+                                    (nth 7 (file-attributes
+                                            buffer-file-name)))))
+                      (and (not (file-remote-p buffer-file-name))
+                           (not (verify-visited-file-modtime buffer)))))
                (and (or auto-revert-mode
                         global-auto-revert-non-file-buffers)
                     revert-buffer-function
@@ -477,7 +483,7 @@ This is an internal function used by Auto-Revert Mode."
       (when (or revert auto-revert-check-vc-info)
        (vc-find-file-hook)))))
 
-(defun auto-revert-tail-handler (size)  
+(defun auto-revert-tail-handler (size)
   (let ((modified (buffer-modified-p))
        (inhibit-read-only t)           ; Ignore.
        (file buffer-file-name)