src/workflow/ArcanistDiffWorkflow.php:966-      throw new Exception(pht('Repository API is not supported.'));
src/workflow/ArcanistDiffWorkflow.php:967-    }
src/workflow/ArcanistDiffWorkflow.php:968-
src/workflow/ArcanistDiffWorkflow.php:969-    if (count($changes) > 250) {
src/workflow/ArcanistDiffWorkflow.php:970-      $message = pht(
src/workflow/ArcanistDiffWorkflow.php:971-        'This diff has a very large number of changes (%s). Differential '.
src/workflow/ArcanistDiffWorkflow.php:972-        'works best for changes which will receive detailed human review, '.
src/workflow/ArcanistDiffWorkflow.php:973-        'and not as well for large automated changes or bulk checkins. '.
src/workflow/ArcanistDiffWorkflow.php:974-        'See %s for information about reviewing big checkins. Continue anyway?',
src/workflow/ArcanistDiffWorkflow.php:975-        phutil_count($changes),
src/workflow/ArcanistDiffWorkflow.php:976-        'https://secure.phabricator.com/book/phabricator/article/'.
src/workflow/ArcanistDiffWorkflow.php:977-          'differential_large_changes/');
src/workflow/ArcanistDiffWorkflow.php:978-
src/workflow/ArcanistDiffWorkflow.php:979-      if (!phutil_console_confirm($message)) {
src/workflow/ArcanistDiffWorkflow.php:980-        throw new ArcanistUsageException(
src/workflow/ArcanistDiffWorkflow.php:981:          pht('Aborted generation of gigantic diff.'));
src/workflow/ArcanistDiffWorkflow.php:982-      }
src/workflow/ArcanistDiffWorkflow.php:983-    }
src/workflow/ArcanistDiffWorkflow.php:1002-        if ($repository_api instanceof ArcanistSubversionAPI) {
src/workflow/ArcanistDiffWorkflow.php:1003-          throw new ArcanistUsageException(
src/workflow/ArcanistDiffWorkflow.php:1004-            $byte_warning.' '.
src/workflow/ArcanistDiffWorkflow.php:1005-            pht(
src/workflow/ArcanistDiffWorkflow.php:1006-              "If the file is not a text file, mark it as binary with:".
src/workflow/ArcanistDiffWorkflow.php:1007-              "\n\n  $ %s\n",
src/workflow/ArcanistDiffWorkflow.php:1008-              'svn propset svn:mime-type application/octet-stream <filename>'));
src/workflow/ArcanistDiffWorkflow.php:1009-        } else {
src/workflow/ArcanistDiffWorkflow.php:1010-          $confirm = $byte_warning.' '.pht(
src/workflow/ArcanistDiffWorkflow.php:1011-            "If the file is not a text file, you can mark it 'binary'. ".
src/workflow/ArcanistDiffWorkflow.php:1012-            "Mark this file as 'binary' and continue?");
src/workflow/ArcanistDiffWorkflow.php:1013-          if (phutil_console_confirm($confirm)) {
src/workflow/ArcanistDiffWorkflow.php:1014-            $change->convertToBinaryChange($repository_api);
src/workflow/ArcanistDiffWorkflow.php:1015-          } else {
src/workflow/ArcanistDiffWorkflow.php:1016-            throw new ArcanistUsageException(
src/workflow/ArcanistDiffWorkflow.php:1017:              pht('Aborted generation of gigantic diff.'));
src/workflow/ArcanistDiffWorkflow.php:1018-          }
src/workflow/ArcanistDiffWorkflow.php:1019-        }