diff --git a/scripts/repository/commit_hook.php b/scripts/repository/commit_hook.php
index 07d6d7cfa2..64b7b0ec24 100755
--- a/scripts/repository/commit_hook.php
+++ b/scripts/repository/commit_hook.php
@@ -1,234 +1,234 @@
 #!/usr/bin/env php
 <?php
 
 // NOTE: This script will sometimes emit a warning like this on startup:
 //
 //   No entry for terminal type "unknown";
 //   using dumb terminal settings.
 //
 // This can be fixed by adding "TERM=dumb" to the shebang line, but doing so
 // causes some systems to hang mysteriously. See T7119.
 
 // Commit hooks execute in an unusual context where the environment may be
 // unavailable, particularly in SVN. The first parameter to this script is
 // either a bare repository identifier ("X"), or a repository identifier
 // followed by an instance identifier ("X:instance"). If we have an instance
 // identifier, unpack it into the environment before we start up. This allows
 // subclasses of PhabricatorConfigSiteSource to read it and build an instance
 // environment.
 
 if ($argc > 1) {
   $context = $argv[1];
   $context = explode(':', $context, 2);
   $argv[1] = $context[0];
 
   if (count($context) > 1) {
     $_ENV['PHABRICATOR_INSTANCE'] = $context[1];
     putenv('PHABRICATOR_INSTANCE='.$context[1]);
   }
 }
 
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
 if ($argc < 2) {
   throw new Exception(pht('usage: commit-hook <repository>'));
 }
 
 $engine = new DiffusionCommitHookEngine();
 
 $repository = id(new PhabricatorRepositoryQuery())
   ->setViewer(PhabricatorUser::getOmnipotentUser())
   ->withIdentifiers(array($argv[1]))
   ->needProjectPHIDs(true)
   ->executeOne();
 
 if (!$repository) {
   throw new Exception(pht('No such repository "%s"!', $argv[1]));
 }
 
 if (!$repository->isHosted()) {
   // In Mercurial, the "pretxnchangegroup" hook fires for both pulls and
   // pushes. Normally we only install the hook for hosted repositories, but
   // if a hosted repository is later converted into an observed repository we
   // can end up with an observed repository that has the hook installed.
   // If we're running hooks from an observed repository, just exit without
   // taking action. For more discussion, see PHI24.
   return 0;
 }
 
 $engine->setRepository($repository);
 
 $args = new PhutilArgumentParser($argv);
 $args->parsePartial(
   array(
     array(
       'name' => 'hook-mode',
       'param' => 'mode',
       'help' => pht('Hook execution mode.'),
     ),
   ));
 
 $argv = array_merge(
   array($argv[0]),
   $args->getUnconsumedArgumentVector());
 
 // Figure out which user is writing the commit.
 $hook_mode = $args->getArg('hook-mode');
 if ($hook_mode !== null) {
   $known_modes = array(
     'svn-revprop' => true,
   );
 
   if (empty($known_modes[$hook_mode])) {
     throw new Exception(
       pht(
         'Invalid Hook Mode: This hook was invoked in "%s" mode, but this '.
         'is not a recognized hook mode. Valid modes are: %s.',
         $hook_mode,
         implode(', ', array_keys($known_modes))));
   }
 }
 
 $is_svnrevprop = ($hook_mode == 'svn-revprop');
 
 if ($is_svnrevprop) {
   // For now, we let these through if the repository allows dangerous changes
   // and prevent them if it doesn't. See T11208 for discussion.
 
   $revprop_key = $argv[5];
 
   if ($repository->shouldAllowDangerousChanges()) {
     $err = 0;
   } else {
     $err = 1;
 
     $console = PhutilConsole::getConsole();
     $console->writeErr(
       pht(
         "DANGEROUS CHANGE: Dangerous change protection is enabled for this ".
         "repository, so you can not change revision properties (you are ".
         "attempting to edit \"%s\").\n".
         "Edit the repository configuration before making dangerous changes.",
         $revprop_key));
   }
 
   exit($err);
 } else if ($repository->isGit() || $repository->isHg()) {
   $username = getenv(DiffusionCommitHookEngine::ENV_USER);
   if (!strlen($username)) {
     throw new Exception(
       pht(
         'No Direct Pushes: You are pushing directly to a repository hosted '.
         'by Phabricator. This will not work. See "No Direct Pushes" in the '.
         'documentation for more information.'));
   }
 
   if ($repository->isHg()) {
     // We respond to several different hooks in Mercurial.
     $engine->setMercurialHook($argv[2]);
   }
 
 } else if ($repository->isSVN()) {
   // NOTE: In Subversion, the entire environment gets wiped so we can't read
   // DiffusionCommitHookEngine::ENV_USER. Instead, we've set "--tunnel-user" to
   // specify the correct user; read this user out of the commit log.
 
   if ($argc < 4) {
     throw new Exception(pht('usage: commit-hook <repository> <repo> <txn>'));
   }
 
   $svn_repo = $argv[2];
   $svn_txn = $argv[3];
   list($username) = execx('svnlook author -t %s %s', $svn_txn, $svn_repo);
   $username = rtrim($username, "\n");
 
   $engine->setSubversionTransactionInfo($svn_txn, $svn_repo);
 } else {
   throw new Exception(pht('Unknown repository type.'));
 }
 
 $user = id(new PhabricatorPeopleQuery())
   ->setViewer(PhabricatorUser::getOmnipotentUser())
   ->withUsernames(array($username))
   ->executeOne();
 
 if (!$user) {
   throw new Exception(pht('No such user "%s"!', $username));
 }
 
 $engine->setViewer($user);
 
 
 // Read stdin for the hook engine.
 
 if ($repository->isHg()) {
   // Mercurial leaves stdin open, so we can't just read it until EOF.
   $stdin = '';
 } else {
   // Git and Subversion write data into stdin and then close it. Read the
   // data.
   $stdin = @file_get_contents('php://stdin');
   if ($stdin === false) {
     throw new Exception(pht('Failed to read stdin!'));
   }
 }
 
 $engine->setStdin($stdin);
 $engine->setOriginalArgv(array_slice($argv, 2));
 
 $remote_address = getenv(DiffusionCommitHookEngine::ENV_REMOTE_ADDRESS);
 if (strlen($remote_address)) {
   $engine->setRemoteAddress($remote_address);
 }
 
 $remote_protocol = getenv(DiffusionCommitHookEngine::ENV_REMOTE_PROTOCOL);
 if (strlen($remote_protocol)) {
   $engine->setRemoteProtocol($remote_protocol);
 }
 
 $request_identifier = getenv(DiffusionCommitHookEngine::ENV_REQUEST);
 if (strlen($request_identifier)) {
   $engine->setRequestIdentifier($request_identifier);
 }
 
 try {
   $err = $engine->execute();
 } catch (DiffusionCommitHookRejectException $ex) {
   $console = PhutilConsole::getConsole();
 
   if (PhabricatorEnv::getEnvConfig('phabricator.serious-business')) {
     $preamble = pht('*** PUSH REJECTED BY COMMIT HOOK ***');
   } else {
     $preamble = pht(<<<EOTXT
 +---------------------------------------------------------------+
 |      * * * PUSH REJECTED BY EVIL DRAGON BUREAUCRATS * * *     |
 +---------------------------------------------------------------+
-            \
-             \                    ^    /^
-              \                  / \  // \
-               \   |\___/|      /   \//  .\
-                \  /V  V  \__  /    //  | \ \           *----*
-                  /     /  \/_/    //   |  \  \          \   |
-                  @___@`    \/_   //    |   \   \         \/\ \
-                 0/0/|       \/_ //     |    \    \         \  \
-             0/0/0/0/|        \///      |     \     \       |  |
-          0/0/0/0/0/_|_ /   (  //       |      \     _\     |  /
-       0/0/0/0/0/0/`/,_ _ _/  ) ; -.    |    _ _\.-~       /   /
-                   ,-}        _      *-.|.-~-.           .~    ~
-  \     \__/        `/\      /                 ~-. _ .-~      /
-   \____(Oo)           *.   }            {                   /
-   (    (--)          .----~-.\        \-`                 .~
-   //__\\\\  \ DENIED!  ///.----..<        \             _ -~
-  //    \\\\               ///-._ _ _ _ _ _ _{^ - - - - ~
+             \
+              \                    ^    /^
+               \                  / \  // \
+                \   |\___/|      /   \//  .\
+                 \  /V  V  \__  /    //  | \ \           *----*
+                   /     /  \/_/    //   |  \  \          \   |
+                   @___@`    \/_   //    |   \   \         \/\ \
+                  0/0/|       \/_ //     |    \    \         \  \
+              0/0/0/0/|        \///      |     \     \       |  |
+           0/0/0/0/0/_|_ /   (  //       |      \     _\     |  /
+        0/0/0/0/0/0/`/,_ _ _/  ) ; -.    |    _ _\.-~       /   /
+                    ,-}        _      *-.|.-~-.           .~    ~
+  *     \__/         `/\      /                 ~-. _ .-~      /
+   \____(Oo)            *.   }            {                   /
+   (    (..)           .----~-.\        \-`                 .~
+   //___\\\\  \ DENIED!  ///.----..<        \             _ -~
+  //     \\\\                ///-._ _ _ _ _ _ _{^ - - - - ~
 
 EOTXT
 );
   }
 
   $console->writeErr("%s\n\n", $preamble);
   $console->writeErr("%s\n\n", $ex->getMessage());
   $err = 1;
 }
 
 exit($err);