Fix Bug#34196

* lisp/autorevert.el (auto-revert-buffers): Handle buffers with a
remote default-directory only, when they are connected.  (Bug#34196)

* lisp/net/tramp-rclone.el (tramp-rclone-maybe-open-connection):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-maybe-open-connection):
Set "connected" property.

* lisp/net/tramp.el (tramp-process-actions): Revert change from
2019-02-04.  Bug#34196 will be solved in autorevert.el.

lisp/autorevert.el

@@ -767,6 +767,16 @@ the timer when no buffers need to be checked."
 		    (buffer-list)
 		  auto-revert-buffer-list))
 	  remaining new)
+      ;; Buffers with remote contents shall be reverted only if the
+      ;; connection is established already.
+      (setq bufs (delq nil
+                       (mapcar
+                        (lambda (buf)
+                          (with-current-buffer buf
+                            (and (or (not (file-remote-p default-directory))
+                                     (file-remote-p default-directory nil t))
+                                 buf)))
+                        bufs)))
       ;; Partition `bufs' into two halves depending on whether or not
       ;; the buffers are in `auto-revert-remaining-buffers'.  The two
       ;; halves are then re-joined with the "remaining" buffers at the

lisp/net/tramp-rclone.el

@@ -568,7 +568,11 @@ connection if a previous connection has died for some reason."
 		 ;; This could be nil.
 		 ,(tramp-get-method-parameter vec 'tramp-mount-args))))
 	(while (not (file-exists-p (tramp-make-tramp-file-name vec 'localname)))
-	  (tramp-cleanup-connection vec 'keep-debug 'keep-password)))))
+	  (tramp-cleanup-connection vec 'keep-debug 'keep-password))
+
+	;; Mark it as connected.
+	(tramp-set-connection-property
+	 (tramp-get-connection-process vec) "connected" t))))
 
   ;; In `tramp-check-cached-permissions', the connection properties
   ;; "{uid,gid}-{integer,string}" are used.  We set them to proper values.

lisp/net/tramp-sudoedit.el

@@ -785,7 +785,10 @@ connection if a previous connection has died for some reason."
       (set-process-query-on-exit-flag p nil)
 
       ;; Set connection-local variables.
-      (tramp-set-connection-local-variables vec))
+      (tramp-set-connection-local-variables vec)
+
+      ;; Mark it as connected.
+      (tramp-set-connection-property p "connected" t))
 
     ;; In `tramp-check-cached-permissions', the connection properties
     ;; "{uid,gid}-{integer,string}" are used.  We set them to proper values.

lisp/net/tramp.el

@@ -4060,23 +4060,17 @@ performed successfully.  Any other value means an error."
   (save-restriction
     (with-tramp-progress-reporter
 	proc 3 "Waiting for prompts from remote shell"
-      ;; `global-auto-revert-mode' could activate remote operations
-      ;; while we aren't ready.  We disable it temporarily.
-      (let ((garm (bound-and-true-p global-auto-revert-mode))
-	    exit)
-	(when garm (global-auto-revert-mode -1))
-	(unwind-protect
-	    (if timeout
-		(with-timeout (timeout (setq exit 'timeout))
-		  (while (not exit)
-		    (setq exit
-			  (catch 'tramp-action
-			    (tramp-process-one-action proc vec actions)))))
+      (let (exit)
+	(if timeout
+	    (with-timeout (timeout (setq exit 'timeout))
 	      (while (not exit)
 		(setq exit
 		      (catch 'tramp-action
 			(tramp-process-one-action proc vec actions)))))
-	  (when garm (global-auto-revert-mode)))
+	  (while (not exit)
+	    (setq exit
+		  (catch 'tramp-action
+		    (tramp-process-one-action proc vec actions)))))
 	(with-current-buffer (tramp-get-connection-buffer vec)
 	  (widen)
 	  (tramp-message vec 6 "\n%s" (buffer-string)))