vendor/symfony/intl/Symfony/Component/Intl/Util/SvnRepository.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Intl\Util;
  13
  14 use Symfony\Component\Filesystem\Filesystem;
  15 use Symfony\Component\Intl\Exception\RuntimeException;
  16
  17 /**
  18  * A SVN repository containing ICU data.
  19  *
  20  * @author Bernhard Schussek <bschussek@gmail.com>
  21  */
  22 class SvnRepository
  23 {
  24     /**
  25      * @var string The path to the repository.
  26      */
  27     private $path;
  28
  29     /**
  30      * @var \SimpleXMLElement
  31      */
  32     private $svnInfo;
  33
  34     /**
  35      * @var SvnCommit
  36      */
  37     private $lastCommit;
  38
  39     /**
  40      * Downloads the ICU data for the given version.
  41      *
  42      * @param string $url       The URL to download from.
  43      * @param string $targetDir The directory in which to store the repository.
  44      *
  45      * @return SvnRepository The directory where the data is stored.
  46      *
  47      * @throws RuntimeException If an error occurs during the download.
  48      */
  49     public static function download($url, $targetDir)
  50     {
  51         exec('which svn', $output, $result);
  52
  53         if ($result !== 0) {
  54             throw new RuntimeException('The command "svn" is not installed.');
  55         }
  56
  57         $filesystem = new Filesystem();
  58
  59         if (!$filesystem->exists($targetDir . '/.svn')) {
  60             $filesystem->remove($targetDir);
  61             $filesystem->mkdir($targetDir);
  62
  63             exec('svn checkout ' . $url . ' ' . $targetDir, $output, $result);
  64
  65             if ($result !== 0) {
  66                 throw new RuntimeException('The SVN checkout of ' . $url . 'failed.');
  67             }
  68         }
  69
  70         return new static(realpath($targetDir));
  71     }
  72
  73     /**
  74      * Reads the SVN repository at the given path.
  75      *
  76      * @param string $path The path to the repository.
  77      */
  78     public function __construct($path)
  79     {
  80         $this->path = $path;
  81     }
  82
  83     /**
  84      * Returns the path to the repository.
  85      *
  86      * @return string The path to the repository.
  87      */
  88     public function getPath()
  89     {
  90         return $this->path;
  91     }
  92
  93     /**
  94      * Returns the URL of the repository.
  95      *
  96      * @return string The URL of the repository.
  97      */
  98     public function getUrl()
  99     {
 100         return (string) $this->getSvnInfo()->entry->url;
 101     }
 102
 103     /**
 104      * Returns the last commit of the repository.
 105      *
 106      * @return SvnCommit The last commit.
 107      */
 108     public function getLastCommit()
 109     {
 110         if (null === $this->lastCommit) {
 111             $this->lastCommit = new SvnCommit($this->getSvnInfo()->entry->commit);
 112         }
 113
 114         return $this->lastCommit;
 115     }
 116
 117     /**
 118      * Returns information about the SVN repository.
 119      *
 120      * @return \SimpleXMLElement The XML result from the "svn info" command.
 121      *
 122      * @throws RuntimeException If the "svn info" command failed.
 123      */
 124     private function getSvnInfo()
 125     {
 126         if (null === $this->svnInfo) {
 127             exec('svn info --xml '.$this->path, $output, $result);
 128
 129             $svnInfo = simplexml_load_string(implode("\n", $output));
 130
 131             if ($result !== 0) {
 132                 throw new RuntimeException('svn info failed');
 133             }
 134
 135             $this->svnInfo = $svnInfo;
 136         }
 137
 138         return $this->svnInfo;
 139     }
 140
 141 }