From 4de260efe3375fe62b9d80452b9203c89ab0c045 Mon Sep 17 00:00:00 2001
From: Derek Schrock <dereks@lifeofadishwasher.com>
Date: Thu, 6 Jun 2024 20:37:26 -0400
Subject: [PATCH] contrib/bash_completion.d: squelch FreeBSD seq when first <
 last

With seq x -1 z and x is less than z FreeBSD seq will print the error:

	$ seq 1 -1 2
	seq: needs positive increment

Hide this error.  Alternatively $COMP_CWORD could be checked for < 2.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Derek Schrock <dereks@lifeofadishwasher.com>
Closes #16234
---
 contrib/bash_completion.d/zfs.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/bash_completion.d/zfs.in b/contrib/bash_completion.d/zfs.in
index c5cfd8e8ef..dbeb10d899 100644
--- a/contrib/bash_completion.d/zfs.in
+++ b/contrib/bash_completion.d/zfs.in
@@ -155,7 +155,7 @@ __zfs_list_volumes()
 __zfs_argument_chosen()
 {
     local word property
-    for word in $(seq $((COMP_CWORD-1)) -1 2)
+    for word in $(seq $((COMP_CWORD-1)) -1 2 2>/dev/null)
     do
         local prev="${COMP_WORDS[$word]}"
         if [[ ${COMP_WORDS[$word-1]} != -[tos] ]]