ports-update-check

#!/usr/bin/php
<?php
/*
 * Copyright 2017 Shaun Cummiskey, <shaun@shaunc.com> <http://shaunc.com>
 * <https://github.com/parseword/util-misc/>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */
 
/* 
 * Check for available port updates and send an email if any are found.
 *
 * This script requires portmaster (/usr/ports/ports-mgmt/portmaster)
 * and assumes you've checked out the ports tree with git, as 
 * described in <https://docs.freebsd.org/en/books/handbook/ports/>
 */

//This file defines ADMINISTRATOR_RECIPIENT and ADMINISTRIVIA_SUBJECT_PREPEND
require_once('/usr/local/etc/config/admin.conf');

//Update the ports tree with git
exec('/usr/local/bin/git -C /usr/ports pull --rebase >/tmp/port-check-svn.log 2>&1');

//Run portmaster to check for updates
$return = null;
$output = null;
exec('/usr/local/sbin/portmaster -L | grep -B1 "New version available" | grep -v "\-\-"', $output, $return);

//grep returns 0 if match, 1 if no match
if ($return === 0) {
    
    $i = 0;
    $commands = array();
    $message = "Updates are available for the following ports:\n\n";
    
    //Build a list of changed ports, and portmaster commands to update them
    foreach ($output as $line) {
        if ($i++ % 2 == 0) {
            //Even-numbered lines contain the current version needed for portmaster
            $port = str_replace('===>>> ', '', trim($line));
            $commands[] = "portmaster -Kvw {$port}"; 
        }
        else {
            //Odd-numbered lines contain the new version number
            $port = str_replace('===>>> New version available: ', '', trim($line));
            $message .=  "$port\n";
        }
    }
    
    $message .= "\nTo upgrade all, run: portmaster -avw\n\nTo upgrade individual ports,\n\n";
    $message .= join("\n", $commands);
    
    $subject = defined('ADMINISTRIVIA_SUBJECT_PREPEND') ? ADMINISTRIVIA_SUBJECT_PREPEND : '';
    $subject .= 'portmaster reports ' . count($commands) . ' update' 
        . (count($commands) > 1 ? 's' : '') . ' on ' . gethostname();
    
    mail(ADMINISTRATOR_RECIPIENT, $subject, $message, 'From: root@' . gethostname());

    echo 'A message detailing available port updates has been sent under separate cover.';    
}