wgExcludeFromThumbnailPurge.patch
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	• bzimport
	Nov 21 2014, 11:29 PM

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wgExcludeFromThumbnailPurge.patch
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	Index: includes/DefaultSettings.php
	===================================================================
	--- includes/DefaultSettings.php (revision 83265)
	+++ includes/DefaultSettings.php (working copy)
	@@ -4619,6 +4619,12 @@
	);

	/**
	+ * Extension of "thumbnails" that are very expensive to regenerate and should be
	+ * excluded from normal action=purge thumbnail removal.
	+ */
	+$wgExcludeFromThumbnailPurge = array();
	+
	+/**
	* Additional functions to be performed with updateSpecialPages.
	* Expensive Querypages are already updated.
	*/
	Index: includes/filerepo/LocalFile.php
	===================================================================
	--- includes/filerepo/LocalFile.php (revision 83265)
	+++ includes/filerepo/LocalFile.php (working copy)
	@@ -659,7 +659,7 @@
	* Delete cached transformed files
	*/
	function purgeThumbnails() {
	- global $wgUseSquid;
	+ global $wgUseSquid, $wgExcludeFromThumbnailPurge;

	// Delete thumbnails
	$files = $this->getThumbnails();
	@@ -667,6 +667,12 @@
	$urls = array();

	foreach ( $files as $file ) {
	+ // Only remove files not in the $wgExcludeFromThumbnailPurge configuration variable
	+ $ext = pathinfo("$dir/$file", PATHINFO_EXTENSION);
	+ if( in_array( $ext, $wgExcludeFromThumbnailPurge ) ){
	+ continue;
	+ }
	+
	# Check that the base file name is part of the thumb name
	# This is a basic sanity check to avoid erasing unrelated directories
	if ( strpos( $file, $this->getName() ) !== false ) {