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Editing File: /home/ubuntu/code_review/arcanist/src/future/exec/CommandException.php

<?php

/**
 * Exception thrown when a system command fails.
 */
final class CommandException extends Exception {

protected $command;
  protected $stdout;
  protected $stderr;
  protected $error;

public function __construct($message, $command, $error, $stdout, $stderr) {
    $this->command = $command;
    $this->error = $error;
    $this->stdout = $stdout;
    $this->stderr = $stderr;

$summary = array();
    $summary[] = $this->summarize($message);

$summary[] = 'COMMAND';
    $summary[] = $this->summarize($command);

$summary[] = null;
    $summary[] = 'STDOUT';
    $summary[] = $this->summarize($stdout);

$summary[] = null;
    $summary[] = 'STDERR';
    $summary[] = $this->summarize($stderr);

$summary = implode("\n", $summary);

parent::__construct($summary);
  }

public function getCommand() {
    return $this->command;
  }

public function getError() {
    return $this->error;
  }

public function getStdout() {
    return $this->stdout;
  }

public function getStderr() {
    return $this->stderr;
  }

private function summarize($string) {
    if (!strlen($string)) {
      return '(empty)';
    }

$limit = 1000;

$len = strlen($string);
    if ($len > $limit) {
      $cut = $len - $limit;
      $suffix = pht('... (%s more byte(s)) ...', new PhutilNumber($cut));
      if ($cut > strlen($suffix)) {
        $string = substr($string, 0, $limit).$suffix;
      }
    }

// Strip out any credentials for the purpose of building a human readable
    // summary of the exception, since these are rarely-if-ever useful when
    // debugging, but can expose otherwise sensitive information.
    $string = phutil_censor_credentials($string);

return $string;
  }

}

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