bitbucket_webhooks.php

<?php
define('LOG_FILE_NAME', 'deploy.log');

// bitbucket payload
// https://confluence.atlassian.com/bitbucket/event-payloads-740262817.html#EventPayloads-Push
$input = json_decode(file_get_contents('php://input'), true);
$username = $input['actor']['username'];
$dpname = $input['actor']['display_name'];
$pushData = array_pop($input['push']['changes']);
$branch = $pushData['new'] ? $pushData['new']['name'] : '';

$now = date('Y-m-d H:i:s');
if($branch !== 'master'){
  echo "{$branch} pushed {$now}";
  exit;
}

$pull = shell_exec('git reset --hard HEAD && git pull origin master 2>&1');
$log = shell_exec('git log -1');

exec('composer install &');

$comment = "[{$now}] {$dpname} ({$username})".PHP_EOL.$pull.PHP_EOL.$log.PHP_EOL;

// deploy logging
file_put_contents(__DIR__.'/'.LOG_FILE_NAME, $comment, FILE_APPEND);

echo $comment;