Merge "Do not override content format in EditPage when loading rev."

[lhc/web/wiklou.git] / includes / EditPage.php

diff --git a/includes/EditPage.php b/includes/EditPage.php
index fa74103..e4146c5 100644 (file)
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -20,6 +20,8 @@
  * @file
  */
 
+use MediaWiki\Logger\LoggerFactory;
+
 /**
  * The edit page/HTML interface (split from Article)
  * The actual database and text munging is still in Article,
@@ -1249,9 +1251,31 @@ class EditPage {
 
                        return $handler->makeEmptyContent();
                } else {
-                       # nasty side-effect, but needed for consistency
-                       $this->contentModel = $rev->getContentModel();
-                       $this->contentFormat = $rev->getContentFormat();
+                       // Content models should always be the same since we error
+                       // out if they are different before this point.
+                       $logger = LoggerFactory::getInstance( 'editpage' );
+                       if ( $this->contentModel !== $rev->getContentModel() ) {
+                               $logger->warning( "Overriding content model from current edit {prev} to {new}", [
+                                       'prev' => $this->contentModel,
+                                       'new' => $rev->getContentModel(),
+                                       'title' => $this->getTitle()->getPrefixedDBkey(),
+                                       'method' => __METHOD__
+                               ] );
+                               $this->contentModel = $rev->getContentModel();
+                       }
+
+                       // Given that the content models should match, the current selected
+                       // format should be supported.
+                       if ( !$content->isSupportedFormat( $this->contentFormat ) ) {
+                               $logger->warning( "Current revision content format unsupported. Overriding {prev} to {new}", [
+
+                                       'prev' => $this->contentFormat,
+                                       'new' => $rev->getContentFormat(),
+                                       'title' => $this->getTitle()->getPrefixedDBkey(),
+                                       'method' => __METHOD__
+                               ] );
+                               $this->contentFormat = $rev->getContentFormat();
+                       }
 
                        return $content;
                }