bugzilla-commit-message

#!/usr/bin/php
<?php
/*
    This hook create default Bugzilla commit message
    It take branch bug/bugnumber and search in bugzilla for bug summary
    
    Copy this file into ./git/hooks/prepare-commit-msg and then set as executable file.
    
    You can now just create branch bug/12345 and then make commit:
    
    git commit -m ''
    above will set commit message to: 12345: bug summary
    
    git commit -m 'your comment'
    above will set commit message to: 12345: bug summary: your comment
    
    git commit
    above will call editor with default commit message 12345: bug summary
    
    Remember to set BUG_USER and BUG_PASS
*/

define('BUG_USER', 'username');
define('BUG_PASS', 'password');
define('BUG_URL', 'http://link.to.your.bugzilla/');

function writeMessage($bugNumber, $oldMessage, $bugSummary = '') {
    global $argv;
    $message = $bugNumber;
    if ($bugSummary) {
        $message .= ': ' . $bugSummary;
    }

    if ($oldMessage) {
        $message .= ': ' . $oldMessage;
    }

    file_put_contents($argv[1], $message);
}

$message = trim(file_get_contents($argv[1]));

$currentBranch = trim(exec('git symbolic-ref --short HEAD'));

$ar = explode('/', $currentBranch);

//checking if branch name is bug/bugnumber
if (count($ar) !== 2 || $ar[0] !== 'bug' || !is_numeric($ar[1])){
    exit;
}

$bugNumber = $ar[1];

//login into bugzilla
$loginResponse = json_decode(file_get_contents(BUG_URL . 'rest/login?login=' . BUG_USER  . '&password=' . BUG_PASS), true);
if (empty($loginResponse['token'])){
    writeMessage($bugNumber, $message);
    exit;
}

$token = $loginResponse['token'];

//getting bug info from bugzilla
$bugResponse = json_decode(file_get_contents(BUG_URL . 'rest/bug/' .$bugNumber. '?token=' . $token), true);
if (empty($bugResponse['bugs'])){
    writeMessage($bugNumber, $message);
    exit;
}

//adding bug summary into commit message
writeMessage($bugNumber, $message, $bugResponse['bugs'][0]['summary']);