From: Chad Horohoe <demon@users.mediawiki.org>
Date: Mon, 7 Jul 2008 12:55:42 +0000 (+0000)
Subject: Cache the SVN version so we're not doing a filesystem read every time Special:Version... 
X-Git-Tag: 1.31.0-rc.0~46662
X-Git-Url: http://git.cyclocoop.org/clavettes/images/siteon3.jpg?a=commitdiff_plain;h=ffceb8f5e05e681c2086163114d17f6916a11b09;p=lhc%2Fweb%2Fwiklou.git

Cache the SVN version so we're not doing a filesystem read every time Special:Version (or APIQuerySiteInfo) asks for it.
---

diff --git a/includes/specials/SpecialVersion.php b/includes/specials/SpecialVersion.php
index 8c8e386d11..fc7d844850 100644
--- a/includes/specials/SpecialVersion.php
+++ b/includes/specials/SpecialVersion.php
@@ -346,6 +346,14 @@ class SpecialVersion {
 	 * @return mixed revision number as int, or false if not a SVN checkout
 	 */
 	public static function getSvnRevision( $dir ) {
+		global $wgMemc;
+		
+		$key = wfMemcKey('svn-version');
+		if ( $svnver = $wgMemc->get( $key ) ) {
+			wfDebug("Got SVN version from cache.\n");
+			return $svnver;
+		}
+		
 		// http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
 		$entries = $dir . '/.svn/entries';
 
@@ -373,6 +381,7 @@ class SpecialVersion {
 					if( $xml->entry[0]['name'] == '' ) {
 						// The directory entry should always have a revision marker.
 						if( $entry['revision'] ) {
+							$wgMemc->set($key, intval($entry['revision']), 3600 );
 							return intval( $entry['revision'] );
 						}
 					}
@@ -381,6 +390,7 @@ class SpecialVersion {
 			return false;
 		} else {
 			// subversion is release 1.4
+			$wgMemc->set($key, intval($content[3]), 3600 );
 			return intval( $content[3] );
 		}
 	}