From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Thu, 3 Dec 2020 10:18:45 +0000 (+0100)
Subject: Fix "grep foo bar" in eshell
X-Git-Tag: emacs-28.0.90~4948
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=4b25ffd3b8ffb854c2458efc4914829ead9a0f79;p=emacs.git

Fix "grep foo bar" in eshell

* lisp/eshell/em-unix.el (eshell-grep): Use the -H switch so that
we always get the file name, so that `M-x next-error' and friends
work (bug#22330).
---

diff --git a/lisp/eshell/em-unix.el b/lisp/eshell/em-unix.el
index 153000438e7..c66f307bfee 100644
--- a/lisp/eshell/em-unix.el
+++ b/lisp/eshell/em-unix.el
@@ -754,7 +754,7 @@ external command."
 				      (eshell-stringify-list
 				       (flatten-tree args)))
 			      " "))
-	     (cmd (format "%s -n %s"
+	     (cmd (format "%s -nH %s"
 			  (pcase command
 			    ("egrep" "grep -E")
 			    ("fgrep" "grep -F")