From 42fd147f795c98c0bf202e63fb4232434c776000 Mon Sep 17 00:00:00 2001
From: Kyle Evans <kevans@FreeBSD.org>
Date: Thu, 3 May 2018 02:56:13 +0000
Subject: [PATCH] zgrep(1): Note that -r/-R are not currently supported.

This is better behavior than just silently doing the wrong thing. We do not
currently have plans to support -r/-R with the compression-enabled greps.

Reported by:	jilles
---
 usr.bin/grep/zgrep.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/usr.bin/grep/zgrep.sh b/usr.bin/grep/zgrep.sh
index a39084eb84d4..8cc49f952912 100755
--- a/usr.bin/grep/zgrep.sh
+++ b/usr.bin/grep/zgrep.sh
@@ -106,6 +106,10 @@ do
 	    silent=1
 	    shift
 	    ;;
+	-r|-R)
+	    echo "${prg}: the ${1} flag is not currently supported" >&2
+	    exit 1
+	    ;;
 	-V|--version)
 	    exec ${grep} -V
 	    ;;