From 7575094cf34e6e218fbad9face68362360b2eedb Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Wed, 16 Nov 2016 23:53:32 +0800
Subject: [PATCH] fix _exists

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

diff --git a/acme.sh b/acme.sh
index ba4688cf..280cb415 100755
--- a/acme.sh
+++ b/acme.sh
@@ -249,7 +249,7 @@ _exists() {
   fi
   if command >/dev/null 2>&1; then
     command -v "$cmd" >/dev/null 2>&1
-  elif which >/dev/null 2>&1; then
+  elif which ls >/dev/null 2>&1; then
     which "$cmd" >/dev/null 2>&1
   fi
   ret="$?"