performInstallation() should halt when a fatal status is encountered

diff --git a/includes/installer/Installer.php b/includes/installer/Installer.php
index 7a84488..5efdc0c 100644 (file)
--- a/includes/installer/Installer.php
+++ b/includes/installer/Installer.php
@@ -884,6 +884,11 @@ abstract class Installer {
                        }
                        call_user_func_array( $endCB, array( $step, $status ) );
                        $installResults[$step] = $status;
+
+                       // If we've hit some sort of fatal, we need to bail. Callback
+                       // already had a chance to do output above.
+                       if( !$status->isOk() )
+                               break;
                }
                return $installResults;
        }