From cd13a9c21a875ddd4ebf822a31f91761da3864cd Mon Sep 17 00:00:00 2001
From: Lukas Schauer <lukas@schauer.so>
Date: Mon, 7 Dec 2015 11:36:58 +0100
Subject: [PATCH] use bash functionality instead of sed to filter SAN variable

---
 letsencrypt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/letsencrypt.sh b/letsencrypt.sh
index 7a41608..ff59157 100755
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -129,7 +129,7 @@ sign_domain() {
   for altname in $altnames; do
     SAN+="DNS:${altname}, "
   done
-  SAN="$(printf '%s' "${SAN}" | sed 's/,\s*$//g')"
+  SAN="${SAN%%, }"
   echo " + Generating signing request..."
   openssl req -new -sha256 -key "${BASEDIR}/certs/${domain}/privkey.pem" -out "${BASEDIR}/certs/${domain}/cert.csr" -subj "/CN=${domain}/" -reqexts SAN -config <(cat /etc/ssl/openssl.cnf <(printf "[SAN]\nsubjectAltName=%s" "${SAN}")) > /dev/null