From 62e4316bad6645ff12ef7587735b9e1c5e74fe21 Mon Sep 17 00:00:00 2001
From: Jim Porter <jporterbugs@gmail.com>
Date: Sat, 20 Aug 2022 10:48:32 -0700
Subject: [PATCH] Kill the buffer associated with a temp file when using
 '$<command>' in Eshell

* lisp/eshell/esh-var.el (eshell-parse-variable-ref): Kill the temp
file's buffer when we're done.
---
 lisp/eshell/esh-var.el | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lisp/eshell/esh-var.el b/lisp/eshell/esh-var.el
index 2f6614b5d7..a9df172e88 100644
--- a/lisp/eshell/esh-var.el
+++ b/lisp/eshell/esh-var.el
@@ -490,8 +490,11 @@ eshell-parse-variable-ref
                            ;; by `eshell-do-eval', which requires very
                            ;; particular forms in order to work
                            ;; properly.  See bug#54190.
-                           (list (function (lambda ()
-                                   (delete-file ,temp))))))
+                           (list (function
+                                  (lambda ()
+                                    (delete-file ,temp)
+                                    (when-let ((buffer (get-file-buffer ,temp)))
+                                      (kill-buffer buffer)))))))
                    (eshell-apply-indices ,temp indices ,eshell-current-quoted)))
             (goto-char (1+ end)))))))
    ((eq (char-after) ?\()
-- 
2.25.1