From 59de5bd5e106e6afeca1c99653ffa4741b708cbe Mon Sep 17 00:00:00 2001
From: Zhang Cheng <stephenpcg@gmail.com>
Date: Wed, 14 Mar 2018 14:57:52 +0800
Subject: [PATCH] cache content of stdin for reuse in `_egrep_o()`, this should
 fix #1364

---
 acme.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/acme.sh b/acme.sh
index 2a3138cb..213b475a 100755
--- a/acme.sh
+++ b/acme.sh
@@ -793,8 +793,9 @@ _sed_i() {
 }
 
 _egrep_o() {
-  if ! egrep -o "$1" 2>/dev/null; then
-    sed -n 's/.*\('"$1"'\).*/\1/p'
+  stdin=$(cat)
+  if ! echo "$stdin" | egrep -o "$1" 2>/dev/null; then
+    echo "$stdin" | sed -n 's/.*\('"$1"'\).*/\1/p'
   fi
 }