<?php
// Get commits between 27cb4c5 and master HEAD includes the Hash
shell_exec('git checkout master');
`git log 27cb4c5..master --merges  --oneline --pretty=format:"%h" --output commits.text`;
$commits = explode("\n", file_get_contents('commits.text'));

$arrLen = count($commits);

// Update dependencies first
shell_exec(`git checkout 27cb4c5`);
`composer update --prefer-source --quiet --no-interaction`;
for ($i = $arrLen; $i > 0 ; $i--) {
    $current = $commits[$i-1];
    shell_exec('git checkout $current');
    // Checks if composer.json is change
    $isChange = shell_exec("git diff HEAD^ composer.json");
    if ($isChange !== null) {
        // If change, update deps
        `composer update --prefer-source --quiet --no-interaction`;
    }
    // Install MediaWiki
    shell_exec('php maintenance/install.php CIwiki admin --pass CI --dbtype mysql --dbname CI_db --dbuser CI_user --dbpass "" --dbserver 10.135.32.252 --scriptpath "/w" && echo -en "\n\nrequire_once __DIR__ . \'/includes/DevelopmentSettings.php\';\n" >> ./LocalSettings.php');
    // Run PHPUnit test
    shell_exec('php tests/phpunit/phpunit.php > test.log 2>&1');
    $report = file_get_contents('test.log');
    $pos = strpos($report, 'Uncaught MWException: SpecialEditWatchlistTest::tearDown() must call parent::tearDown()');
    if ($pos === null) {
        echo "We find out $current\n";
        die;
    }
    // Drop environment
    shell_exec('mysql -h 10.135.32.252 -u CI_user -e "drop database CI_db;"');
    unlink('LocalSettings.php');
    sleep(10);
}