From 0781e8cf12f09fad71d0d63ce59c49c701b35d50 Mon Sep 17 00:00:00 2001
From: Marcel Waldvogel <marcel.waldvogel@trifence.ch>
Date: Mon, 12 Oct 2020 13:52:57 +0200
Subject: [PATCH 1/2] Use random hour for cron job

The hour for the cron job isn't really random (as is the minute),
but assuming acme.sh installation times are not correlated, neither
will be the resulting cron start times.
---
 acme.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/acme.sh b/acme.sh
index 3be3849de1..eb8aca4956 100755
--- a/acme.sh
+++ b/acme.sh
@@ -5590,6 +5590,7 @@ installcronjob() {
   fi
   _t=$(_time)
   random_minute=$(_math $_t % 60)
+  random_hour=$(_math $_t / 60 % 24)
 
   if ! _exists "$_CRONTAB" && _exists "fcrontab"; then
     _CRONTAB="fcrontab"
@@ -5616,12 +5617,12 @@ installcronjob() {
     if _exists uname && uname -a | grep SunOS >/dev/null; then
       $_CRONTAB -l | {
         cat
-        echo "$random_minute 0 * * * $lesh --cron --home \"$LE_WORKING_DIR\" $_c_entry> /dev/null"
+        echo "$random_minute $random_hour * * * $lesh --cron --home \"$LE_WORKING_DIR\" $_c_entry> /dev/null"
       } | $_CRONTAB --
     else
       $_CRONTAB -l | {
         cat
-        echo "$random_minute 0 * * * $lesh --cron --home \"$LE_WORKING_DIR\" $_c_entry> /dev/null"
+        echo "$random_minute $random_hour * * * $lesh --cron --home \"$LE_WORKING_DIR\" $_c_entry> /dev/null"
       } | $_CRONTAB -
     fi
   fi

From 92dbe6cdf8eb7d3b07b84876db79032c1d41f9c6 Mon Sep 17 00:00:00 2001
From: Marcel Waldvogel <marcel.waldvogel@trifence.ch>
Date: Mon, 12 Oct 2020 14:20:40 +0200
Subject: [PATCH 2/2] Simplify and clarify SunOS crontab differences

---
 acme.sh | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/acme.sh b/acme.sh
index eb8aca4956..2ea5ccd782 100755
--- a/acme.sh
+++ b/acme.sh
@@ -5615,16 +5615,14 @@ installcronjob() {
   _info "Installing cron job"
   if ! $_CRONTAB -l | grep "$PROJECT_ENTRY --cron"; then
     if _exists uname && uname -a | grep SunOS >/dev/null; then
-      $_CRONTAB -l | {
-        cat
-        echo "$random_minute $random_hour * * * $lesh --cron --home \"$LE_WORKING_DIR\" $_c_entry> /dev/null"
-      } | $_CRONTAB --
+      _CRONTAB_STDIN="$_CRONTAB --"
     else
-      $_CRONTAB -l | {
-        cat
-        echo "$random_minute $random_hour * * * $lesh --cron --home \"$LE_WORKING_DIR\" $_c_entry> /dev/null"
-      } | $_CRONTAB -
+      _CRONTAB_STDIN="$_CRONTAB -"
     fi
+    $_CRONTAB -l | {
+      cat
+      echo "$random_minute $random_hour * * * $lesh --cron --home \"$LE_WORKING_DIR\" $_c_entry> /dev/null"
+    } | $_CRONTAB_STDIN
   fi
   if [ "$?" != "0" ]; then
     _err "Install cron job failed. You need to manually renew your certs."