* net/tramp-cache.el (top): Don't load the persistency file when

"emacs -Q" has been called.

2 files changed, 46 insertions, 37 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 5c6c84fe3db..61606fb61e8 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-21  Michael Albinus  <michael.albinus@gmx.de>
+
+        * net/tramp-cache.el (top): Don't load the persistency file when
+        "emacs -Q" has been called.
+
 2011-06-21  Tim Harper  <timcharper@gmail.com>
 
         * term/ns-win.el (ns-initialize-window-system): set
diff --git a/lisp/net/tramp-cache.el b/lisp/net/tramp-cache.el
index e3e6264b28f..9397025cb60 100644
--- a/lisp/net/tramp-cache.el
+++ b/lisp/net/tramp-cache.el
@@ -177,9 +177,9 @@ Remove also properties of all files in subdirectories."
   (tramp-message vec 8 "%s" directory)
     (maphash
      (lambda (key value)
-        (when (and (stringp (tramp-file-name-localname key))
-                   (string-match directory (tramp-file-name-localname key)))
-          (remhash key tramp-cache-data)))
+       (when (and (stringp (tramp-file-name-localname key))
+                  (string-match directory (tramp-file-name-localname key)))
+         (remhash key tramp-cache-data)))
      tramp-cache-data)))
 
 ;; Reverting or killing a buffer should also flush file properties.
@@ -200,12 +200,12 @@ Remove also properties of all files in subdirectories."
 (add-hook 'kill-buffer-hook 'tramp-flush-file-function)
 (add-hook 'tramp-cache-unload-hook
           (lambda ()
-             (remove-hook 'before-revert-hook
-                          'tramp-flush-file-function)
-             (remove-hook 'eshell-pre-command-hook
-                          'tramp-flush-file-function)
-             (remove-hook 'kill-buffer-hook
-                          'tramp-flush-file-function)))
+            (remove-hook 'before-revert-hook
+                         'tramp-flush-file-function)
+            (remove-hook 'eshell-pre-command-hook
+                         'tramp-flush-file-function)
+            (remove-hook 'kill-buffer-hook
+                         'tramp-flush-file-function)))
 
 ;;; -- Properties --
 
@@ -290,17 +290,17 @@ KEY identifies the connection, it is either a process or a vector."
     (let (result)
       (maphash
        (lambda (key value)
-          (let ((tmp (format
-                      "(%s %s)"
-                      (if (processp key)
-                          (prin1-to-string (prin1-to-string key))
-                        (prin1-to-string key))
-                      (if (hash-table-p value)
-                          (tramp-cache-print value)
-                        (if (bufferp value)
-                            (prin1-to-string (prin1-to-string value))
-                          (prin1-to-string value))))))
-            (setq result (if result (concat result " " tmp) tmp))))
+         (let ((tmp (format
+                     "(%s %s)"
+                     (if (processp key)
+                         (prin1-to-string (prin1-to-string key))
+                       (prin1-to-string key))
+                     (if (hash-table-p value)
+                         (tramp-cache-print value)
+                       (if (bufferp value)
+                           (prin1-to-string (prin1-to-string value))
+                         (prin1-to-string value))))))
+           (setq result (if result (concat result " " tmp) tmp))))
        table)
       result)))
 
@@ -310,8 +310,8 @@ KEY identifies the connection, it is either a process or a vector."
     (let (result)
       (maphash
        (lambda (key value)
-          (when (and (vectorp key) (null (aref key 3)))
-            (add-to-list 'result key)))
+         (when (and (vectorp key) (null (aref key 3)))
+           (add-to-list 'result key)))
        tramp-cache-data)
       result))
 
@@ -327,12 +327,12 @@ KEY identifies the connection, it is either a process or a vector."
         ;; Remove temporary data.
         (maphash
          (lambda (key value)
-            (if (and (vectorp key) (not (tramp-file-name-localname key)))
-                (progn
-                  (remhash "process-name" value)
-                  (remhash "process-buffer" value)
-                  (remhash "first-password-request" value))
-              (remhash key cache)))
+           (if (and (vectorp key) (not (tramp-file-name-localname key)))
+               (progn
+                 (remhash "process-name" value)
+                 (remhash "process-buffer" value)
+                 (remhash "first-password-request" value))
+             (remhash key cache)))
          cache)
         ;; Dump it.
         (with-temp-buffer
@@ -357,8 +357,8 @@ KEY identifies the connection, it is either a process or a vector."
   (add-hook 'kill-emacs-hook 'tramp-dump-connection-properties))
 (add-hook 'tramp-cache-unload-hook
           (lambda ()
-             (remove-hook 'kill-emacs-hook
-                          'tramp-dump-connection-properties)))
+            (remove-hook 'kill-emacs-hook
+                         'tramp-dump-connection-properties)))
 
 ;;;###tramp-autoload
 (defun tramp-parse-connection-properties (method)
@@ -368,18 +368,22 @@ for all methods.  Resulting data are derived from connection history."
   (let (res)
     (maphash
      (lambda (key value)
-        (if (and (vectorp key)
-                 (string-equal method (tramp-file-name-method key))
-                 (not (tramp-file-name-localname key)))
-            (push (list (tramp-file-name-user key)
-                        (tramp-file-name-host key))
-                  res)))
+       (if (and (vectorp key)
+                (string-equal method (tramp-file-name-method key))
+                (not (tramp-file-name-localname key)))
+           (push (list (tramp-file-name-user key)
+                       (tramp-file-name-host key))
+                 res)))
      tramp-cache-data)
     res))
 
 ;; Read persistent connection history.
 (when (and (stringp tramp-persistency-file-name)
-           (zerop (hash-table-count tramp-cache-data)))
+           (zerop (hash-table-count tramp-cache-data))
+           ;; When "emacs -Q" has been called, both variables are nil.
+           ;; We do not load the persistency file then, in order to
+           ;; have a clean test environment.
+           (or init-file-user site-run-file))
   (condition-case err
       (with-temp-buffer
         (insert-file-contents tramp-persistency-file-name)