From d31c0961407f590c77c5c1ec7bab5dcffacdfae8 Mon Sep 17 00:00:00 2001
From: Brodie Blackburn <brodie.blackburn@ergon.com.au>
Date: Wed, 17 Jan 2018 09:30:08 +1000
Subject: [PATCH] Use grep basic rather than extended regular expressions

---
 acme.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/acme.sh b/acme.sh
index 9d23ed0d..8e9265ef 100755
--- a/acme.sh
+++ b/acme.sh
@@ -50,8 +50,8 @@ NGINX="nginx:"
 NGINX_START="#ACME_NGINX_START"
 NGINX_END="#ACME_NGINX_END"
 
-BEGIN_CSR="-----BEGIN( NEW)? CERTIFICATE REQUEST-----"
-END_CSR="-----END( NEW)? CERTIFICATE REQUEST-----"
+BEGIN_CSR="-----BEGIN\( NEW\)\? CERTIFICATE REQUEST-----"
+END_CSR="-----END\( NEW\)\? CERTIFICATE REQUEST-----"
 
 BEGIN_CERT="-----BEGIN CERTIFICATE-----"
 END_CERT="-----END CERTIFICATE-----"
@@ -798,7 +798,7 @@ _getfile() {
     return 1
   fi
 
-  i="$(grep -n -E -- "$startline" "$filename" | cut -d : -f 1)"
+  i="$(grep -n -- "$startline" "$filename" | cut -d : -f 1)"
   if [ -z "$i" ]; then
     _err "Can not find start line: $startline"
     return 1
@@ -806,7 +806,7 @@ _getfile() {
   i="$(_math "$i" + 1)"
   _debug i "$i"
 
-  j="$(grep -n -E -- "$endline" "$filename" | cut -d : -f 1)"
+  j="$(grep -n -- "$endline" "$filename" | cut -d : -f 1)"
   if [ -z "$j" ]; then
     _err "Can not find end line: $endline"
     return 1