Merge "Bug 38676 - password-change-forbidden isn't properly localized"
[lhc/web/wiklou.git] / maintenance / populateImageSha1.php
index 54ff247..0bbb5a2 100644 (file)
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
  *
+ * @file
  * @ingroup Maintenance
  */
 
 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
 
+/**
+ * Maintenance script to populate the img_sha1 field.
+ *
+ * @ingroup Maintenance
+ */
 class PopulateImageSha1 extends LoggedUpdateMaintenance {
        public function __construct() {
                parent::__construct();
@@ -50,12 +56,13 @@ class PopulateImageSha1 extends LoggedUpdateMaintenance {
 
        public function doDBUpdates() {
                $method = $this->getOption( 'method', 'normal' );
-               $file = $this->getOption( 'file' );
+               $file = $this->getOption( 'file', '' );
                $force = $this->getOption( 'force' );
+               $isRegen = ( $force || $file != '' ); // forced recalculation?
 
                $t = -microtime( true );
                $dbw = wfGetDB( DB_MASTER );
-               if ( $file ) {
+               if ( $file != '' ) {
                        $res = $dbw->select(
                                'image',
                                array( 'img_name' ),
@@ -82,10 +89,10 @@ class PopulateImageSha1 extends LoggedUpdateMaintenance {
                $oldImageTable = $dbw->tableName( 'oldimage' );
 
                if ( $method == 'pipe' ) {
-                       // Opening a pipe allows the SHA-1 operation to be done in parallel 
+                       // Opening a pipe allows the SHA-1 operation to be done in parallel
                        // with the database write operation, because the writes are queued
-                       // in the pipe buffer. This can improve performance by up to a 
-                       // factor of 2. 
+                       // in the pipe buffer. This can improve performance by up to a
+                       // factor of 2.
                        global $wgDBuser, $wgDBserver, $wgDBpassword, $wgDBname;
                        $cmd = 'mysql -u' . wfEscapeShellArg( $wgDBuser ) .
                                ' -h' . wfEscapeShellArg( $wgDBserver ) .
@@ -109,25 +116,37 @@ class PopulateImageSha1 extends LoggedUpdateMaintenance {
                        // Upgrade the current file version...
                        $sha1 = $file->getRepo()->getFileSha1( $file->getPath() );
                        if ( strval( $sha1 ) !== '' ) { // file on disk and hashed properly
-                               $sql = "UPDATE $imageTable SET img_sha1=" . $dbw->addQuotes( $sha1 ) .
-                                       " WHERE img_name=" . $dbw->addQuotes( $file->getName() );
-                               if ( $method == 'pipe' ) {
-                                       fwrite( $pipe, "$sql;\n" );
+                               if ( $isRegen && $file->getSha1() !== $sha1 ) {
+                                       // The population was probably done already. If the old SHA1
+                                       // does not match, then both fix the SHA1 and the metadata.
+                                       $file->upgradeRow();
                                } else {
-                                       $dbw->query( $sql, __METHOD__ );
+                                       $sql = "UPDATE $imageTable SET img_sha1=" . $dbw->addQuotes( $sha1 ) .
+                                               " WHERE img_name=" . $dbw->addQuotes( $file->getName() );
+                                       if ( $method == 'pipe' ) {
+                                               fwrite( $pipe, "$sql;\n" );
+                                       } else {
+                                               $dbw->query( $sql, __METHOD__ );
+                                       }
                                }
                        }
                        // Upgrade the old file versions...
                        foreach ( $file->getHistory() as $oldFile ) {
                                $sha1 = $oldFile->getRepo()->getFileSha1( $oldFile->getPath() );
                                if ( strval( $sha1 ) !== '' ) { // file on disk and hashed properly
-                                       $sql = "UPDATE $oldImageTable SET oi_sha1=" . $dbw->addQuotes( $sha1 ) .
-                                               " WHERE (oi_name=" . $dbw->addQuotes( $oldFile->getName() ) . " AND" .
-                                               " oi_archive_name=" . $dbw->addQuotes( $oldFile->getArchiveName() ) . ")";
-                                       if ( $method == 'pipe' ) {
-                                               fwrite( $pipe, "$sql;\n" );
+                                       if ( $isRegen && $oldFile->getSha1() !== $sha1 ) {
+                                               // The population was probably done already. If the old SHA1
+                                               // does not match, then both fix the SHA1 and the metadata.
+                                               $oldFile->upgradeRow();
                                        } else {
-                                               $dbw->query( $sql, __METHOD__ );
+                                               $sql = "UPDATE $oldImageTable SET oi_sha1=" . $dbw->addQuotes( $sha1 ) .
+                                                       " WHERE (oi_name=" . $dbw->addQuotes( $oldFile->getName() ) . " AND" .
+                                                       " oi_archive_name=" . $dbw->addQuotes( $oldFile->getArchiveName() ) . ")";
+                                               if ( $method == 'pipe' ) {
+                                                       fwrite( $pipe, "$sql;\n" );
+                                               } else {
+                                                       $dbw->query( $sql, __METHOD__ );
+                                               }
                                        }
                                }
                        }