From 32b3717c32196dea163e87b40d428774fded5c25 Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Tue, 17 Jan 2017 21:49:02 +0800
Subject: [PATCH] random minute

---
 acme.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/acme.sh b/acme.sh
index 66abd882..49f3c3fd 100755
--- a/acme.sh
+++ b/acme.sh
@@ -3371,15 +3371,18 @@ installcronjob() {
       _err "Can not install cronjob, $PROJECT_ENTRY not found."
       return 1
     fi
+    
+    _t=$(_time)
+    random_minute=$(_math $_t % 60)
     if _exists uname && uname -a | grep SunOS >/dev/null; then
       crontab -l | {
         cat
-        echo "0 0 * * * $lesh --cron --home \"$LE_WORKING_DIR\" > /dev/null"
+        echo "$random_minute 0 * * * $lesh --cron --home \"$LE_WORKING_DIR\" > /dev/null"
       } | crontab --
     else
       crontab -l | {
         cat
-        echo "0 0 * * * $lesh --cron --home \"$LE_WORKING_DIR\" > /dev/null"
+        echo "$random_minute 0 * * * $lesh --cron --home \"$LE_WORKING_DIR\" > /dev/null"
       } | crontab -
     fi
   fi