From 5b3e3d9cf444e3c9e969244baedc18338f5b4ccc Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Sun, 30 Apr 2017 16:29:20 +0800
Subject: [PATCH] fix https://github.com/Neilpang/acme.sh/issues/812

---
 acme.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index 3506bdb..7ce947e 100755
--- a/acme.sh
+++ b/acme.sh
@@ -166,7 +166,14 @@ _syslog() {
   fi
   _logclass="$1"
   shift
-  logger -i -t "$PROJECT_NAME" -p "$_logclass" "$(_printargs "$@")" >/dev/null 2>&1
+  if [ -z "$__logger_i" ]; then
+    if _contains "$(logger --help 2>&1)" "-i"; then
+      __logger_i="logger -i"
+    else
+      __logger_i="logger"
+    fi
+  fi
+  $__logger_i -t "$PROJECT_NAME" -p "$_logclass" "$(_printargs "$@")" >/dev/null 2>&1
 }
 
 _log() {