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   1  <?php
   2  
   3  final class PhabricatorRepositoryManagementCacheWorkflow
   4    extends PhabricatorRepositoryManagementWorkflow {
   5  
   6    public function didConstruct() {
   7      $this
   8        ->setName('cache')
   9        ->setExamples(
  10          '**cache** [__options__] --commit __commit__ --path __path__')
  11        ->setSynopsis(pht('Manage the repository graph cache.'))
  12        ->setArguments(
  13          array(
  14            array(
  15              'name'    => 'commit',
  16              'param'   => 'commit',
  17              'help'    => pht('Specify a commit to look up.'),
  18            ),
  19            array(
  20              'name'    => 'path',
  21              'param'   => 'path',
  22              'help'    => pht('Specify a path to look up.'),
  23            ),
  24          ));
  25    }
  26  
  27    public function execute(PhutilArgumentParser $args) {
  28  
  29      $commit_name = $args->getArg('commit');
  30      if ($commit_name === null) {
  31        throw new PhutilArgumentUsageException(
  32          pht('Specify a commit to look up with `--commit`.'));
  33      }
  34      $commit = $this->loadNamedCommit($commit_name);
  35  
  36      $path_name = $args->getArg('path');
  37      if ($path_name === null) {
  38        throw new PhutilArgumentUsageException(
  39          pht('Specify a path to look up with `--path`.'));
  40      }
  41  
  42      $path_map = id(new DiffusionPathIDQuery(array($path_name)))
  43        ->loadPathIDs();
  44      if (empty($path_map[$path_name])) {
  45        throw new PhutilArgumentUsageException(
  46          pht('Path "%s" is not known to Phabricator.', $path_name));
  47      }
  48      $path_id = $path_map[$path_name];
  49  
  50      $graph_cache = new PhabricatorRepositoryGraphCache();
  51  
  52      $t_start = microtime(true);
  53      $cache_result = $graph_cache->loadLastModifiedCommitID(
  54        $commit->getID(),
  55        $path_id);
  56      $t_end = microtime(true);
  57  
  58      $console = PhutilConsole::getConsole();
  59  
  60      $console->writeOut(
  61        "%s\n",
  62        pht('Query took %s ms.', new PhutilNumber(1000 * ($t_end - $t_start))));
  63  
  64      if ($cache_result === false) {
  65        $console->writeOut(
  66          "%s\n",
  67          pht('Not found in graph cache.'));
  68      } else if ($cache_result === null) {
  69        $console->writeOut(
  70          "%s\n",
  71          pht('Path not modified in any ancestor commit.'));
  72      } else {
  73        $last = id(new DiffusionCommitQuery())
  74          ->setViewer($this->getViewer())
  75          ->withIDs(array($cache_result))
  76          ->executeOne();
  77        if (!$last) {
  78          throw new Exception(pht('Cache returned bogus result!'));
  79        }
  80  
  81        $console->writeOut(
  82          "%s\n",
  83          pht(
  84            'Path was last changed at %s.',
  85            $commit->getRepository()->formatCommitName(
  86              $last->getcommitIdentifier())));
  87      }
  88  
  89      return 0;
  90    }
  91  
  92  }