Check for a real process when trying to find password prompts in Eshell

* lisp/eshell/esh-mode.el (eshell-watch-for-password-prompt): Use
'eshell-head-process'.

(cherry picked from commit cd7dd3e675ef2e3ae6e30ee70523ceb7f1fd1d67)

diff --git a/lisp/eshell/esh-mode.el b/lisp/eshell/esh-mode.el
index ea2ccb08be1c5f58537c0afc012bb333a86fb320..e6f3cb5f6ad01b3263083c9c1b6e069c2185ece2 100644 (file)
--- a/lisp/eshell/esh-mode.el
+++ b/lisp/eshell/esh-mode.el
@@ -952,7 +952,7 @@ buffer's process if STRING contains a password prompt defined by
 `eshell-password-prompt-regexp'.
 
 This function could be in the list `eshell-output-filter-functions'."
-  (when eshell-foreground-command
+  (when (eshell-head-process)
     (save-excursion
       (let ((case-fold-search t))
        (goto-char eshell-last-output-block-begin)