From 30f1bae54265336a12546fcefe10b5d8e5b8da71 Mon Sep 17 00:00:00 2001
From: kitty-panics <e222d29f@outlook.com>
Date: Thu, 28 Dec 2023 15:17:12 -0500
Subject: [PATCH] fix: egrep warning.

egrep is obsolescent, using grep -E.
---
 acme.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/acme.sh b/acme.sh
index 75030acd..c6c7514f 100755
--- a/acme.sh
+++ b/acme.sh
@@ -923,7 +923,7 @@ _sed_i() {
   fi
 }
 
-if [ "$(echo abc | egrep -o b 2>/dev/null)" = "b" ]; then
+if [ "$(echo abc | grep -E -o b 2>/dev/null)" = "b" ]; then
   __USE_EGREP=1
 else
   __USE_EGREP=""
@@ -931,7 +931,7 @@ fi
 
 _egrep_o() {
   if [ "$__USE_EGREP" ]; then
-    egrep -o -- "$1" 2>/dev/null
+    grep -E -o -- "$1" 2>/dev/null
   else
     sed -n 's/.*\('"$1"'\).*/\1/p'
   fi