testing

PhabricatorSQLPatchList.php
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			<?php

			/*
			* Copyright 2011 Facebook, Inc.
			*
			* 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.
			*/

			final class PhabricatorSQLPatchList {

			public static function getPatchList() {
			$root = dirname(phutil_get_library_root('phabricator'));

			// Find the patch files
			$patches_dir = $root.'/resources/sql/patches/';
			$finder = new FileFinder($patches_dir);
			$results = $finder->find();

			$patches = array();
			foreach ($results as $path) {
			$matches = array();
			if (!preg_match('/(\d+)\..*\.(sql\|php)$/', $path, $matches)) {
			continue;
			}
			$patches[] = array(
			'version' => (int)$matches[1],
			'path' => $patches_dir.$path,
			);
			}

			// Files are in some 'random' order returned by the operating system
			// We need to apply them in proper order
			$patches = isort($patches, 'version');

			return $patches;
			}

			public static function getExpectedSchemaVersion() {
			$patches = self::getPatchList();
			$versions = ipull($patches, 'version');
			$max_version = max($versions);
			return $max_version;
			}

			}