From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Sat, 2 Jul 2022 12:21:00 +0000 (+0200)
Subject: Make comint-watch-for-password-prompt more resilient
X-Git-Tag: emacs-29.0.90~1447^2~1274
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=5b112482fbdb0351487a7af592ae901e20ec45c1;p=emacs.git

Make comint-watch-for-password-prompt more resilient

* lisp/comint.el (comint-watch-for-password-prompt): Don't try to
send commands to the process after it's exited (bug#56336).  (This
commonly happens when invoked via `M-&'.)
---

diff --git a/lisp/comint.el b/lisp/comint.el
index 3da61fb992f..92262eab321 100644
--- a/lisp/comint.el
+++ b/lisp/comint.el
@@ -2515,8 +2515,9 @@ This function could be in the list `comint-output-filter-functions'."
                 (1+ comint--prompt-recursion-depth)))
            (if (> comint--prompt-recursion-depth 10)
                (message "Password prompt recursion too deep")
-             (comint-send-invisible
-              (string-trim string "[ \n\r\t\v\f\b\a]+" "\n+"))))))
+             (when (get-buffer-process (current-buffer))
+               (comint-send-invisible
+                (string-trim string "[ \n\r\t\v\f\b\a]+" "\n+")))))))
      (current-buffer))))
 
 ;; Low-level process communication