From eac18b1c99ca294c5ac8e8585a747f7ea3b6ffeb Mon Sep 17 00:00:00 2001
From: neil <git@byneil.com>
Date: Sat, 16 Apr 2016 19:38:11 +0800
Subject: [PATCH] fix compatible for sh

---
 acme.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index d1f4e2f1..95870cea 100755
--- a/acme.sh
+++ b/acme.sh
@@ -62,7 +62,11 @@ _exists() {
     _err "Usage: _exists cmd"
     return 1
   fi
-  command -v $cmd >/dev/null 2>&1
+  if type command >/dev/null 2>&1 ; then
+    command -v $cmd >/dev/null 2>&1
+  else
+    type $cmd >/dev/null 2>&1
+  fi
   ret="$?"
   _debug2 "$cmd exists=$ret"
   return $ret