From: Ariel T. Glenn <ariel@wikimedia.org>
Date: Mon, 27 May 2019 13:03:29 +0000 (+0300)
Subject: make sure revision uids are 0 in the xml if missing/0 in the db
X-Git-Tag: 1.34.0-rc.0~1534^2
X-Git-Url: http://git.cyclocoop.org/%24action?a=commitdiff_plain;h=e8805741ed75a6f1fec01bc39962af75e6111c1c;p=lhc%2Fweb%2Fwiklou.git

make sure revision uids are 0 in the xml if missing/0 in the db

Bug: T224221
Change-Id: Id9861866fd9e4d2fe8d151c9631403aa24b9a779
---

diff --git a/includes/export/XmlDumpWriter.php b/includes/export/XmlDumpWriter.php
index 39153cf7c0..d3fd374a37 100644
--- a/includes/export/XmlDumpWriter.php
+++ b/includes/export/XmlDumpWriter.php
@@ -252,7 +252,8 @@ class XmlDumpWriter {
 		if ( isset( $row->rev_deleted ) && ( $row->rev_deleted & Revision::DELETED_USER ) ) {
 			$out .= "      " . Xml::element( 'contributor', [ 'deleted' => 'deleted' ] ) . "\n";
 		} else {
-			$out .= $this->writeContributor( $row->rev_user, $row->rev_user_text );
+			// empty values get written out as uid 0, see T224221
+			$out .= $this->writeContributor( $row->rev_user ?: 0, $row->rev_user_text );
 		}
 
 		if ( isset( $row->rev_minor_edit ) && $row->rev_minor_edit ) {