Use cronic to prevent email logging of gpg key refreshes

src/cronic

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# Cronic v3 - cron job report wrapper
+# Copyright 2007-2016 Chuck Houpt. No rights reserved, whatsoever.
+# Public Domain CC0: http://creativecommons.org/publicdomain/zero/1.0/
+
+set -eu
+
+TMP=$(mktemp -d)
+OUT=$TMP/cronic.out
+ERR=$TMP/cronic.err
+TRACE=$TMP/cronic.trace
+
+set +e
+"$@" >$OUT 2>$TRACE
+RESULT=$?
+set -e
+
+PATTERN="^${PS4:0:1}\\+${PS4:1}"
+if grep -aq "$PATTERN" $TRACE
+then
+    ! grep -av "$PATTERN" $TRACE > $ERR
+else
+    ERR=$TRACE
+fi
+
+if [ $RESULT -ne 0 -o -s "$ERR" ]
+    then
+    echo "Cronic detected failure or error output for the command:"
+    echo "$@"
+    echo
+    echo "RESULT CODE: $RESULT"
+    echo
+    echo "ERROR OUTPUT:"
+    cat "$ERR"
+    echo
+    echo "STANDARD OUTPUT:"
+    cat "$OUT"
+    if [ $TRACE != $ERR ]
+    then
+        echo
+        echo "TRACE-ERROR OUTPUT:"
+        cat "$TRACE"
+    fi
+fi
+
+rm -rf "$TMP"

src/freedombone

@@ -5342,8 +5342,10 @@ function refresh_gpg_keys {
 	fi
 	if ! grep -q "$REFRESH_GPG_KEYS_SCRIPT" /etc/crontab; then
 		GPG_REFRESH_TIME=$(( RANDOM % 60 ))
-		echo "$GPG_REFRESH_TIME            */$REFRESH_GPG_KEYS_HOURS *   *   *   root $REFRESH_GPG_KEYS_SCRIPT 2>&1 > /dev/null" >> /etc/crontab
+		echo "$GPG_REFRESH_TIME            */$REFRESH_GPG_KEYS_HOURS *   *   *   root cronic $REFRESH_GPG_KEYS_SCRIPT 2>&1 > /dev/null" >> /etc/crontab
 		systemctl restart cron
+	else
+		sed -i "s|root $REFRESH_GPG_KEYS_SCRIPT|root cronic $REFRESH_GPG_KEYS_SCRIPT|g" /etc/crontab
 	fi
 }