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-rw-r--r--maintenance/fixTimestamps.php200
1 files changed, 108 insertions, 92 deletions
diff --git a/maintenance/fixTimestamps.php b/maintenance/fixTimestamps.php
index f6794141..ea102fb8 100644
--- a/maintenance/fixTimestamps.php
+++ b/maintenance/fixTimestamps.php
@@ -6,101 +6,117 @@
* and must bracket the damage. There must be a majority of good timestamps in the
* search period.
*
- * @file
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @ingroup Maintenance
*/
-
-require_once( 'commandLine.inc' );
-
-if ( count( $args ) < 3 ) {
- echo "Usage: php fixTimestamps.php <offset in hours> <start time> <end time>\n";
- exit(1);
-}
-
-$offset = $args[0] * 3600;
-$start = $args[1];
-$end = $args[2];
-$fname = 'fixTimestamps.php';
-$grace = 60; // maximum normal clock offset
-
-# Find bounding revision IDs
-$dbw = wfGetDB( DB_MASTER );
-$revisionTable = $dbw->tableName( 'revision' );
-$res = $dbw->query( "SELECT MIN(rev_id) as minrev, MAX(rev_id) as maxrev FROM $revisionTable " .
- "WHERE rev_timestamp BETWEEN '{$start}' AND '{$end}'", $fname );
-$row = $dbw->fetchObject( $res );
-
-if ( is_null( $row->minrev ) ) {
- echo "No revisions in search period.\n";
- exit(0);
-}
-
-$minRev = $row->minrev;
-$maxRev = $row->maxrev;
-
-# Select all timestamps and IDs
-$sql = "SELECT rev_id, rev_timestamp FROM $revisionTable " .
- "WHERE rev_id BETWEEN $minRev AND $maxRev";
-if ( $offset > 0 ) {
- $sql .= " ORDER BY rev_id DESC";
- $expectedSign = -1;
-} else {
- $expectedSign = 1;
-}
-
-$res = $dbw->query( $sql, $fname );
-
-$lastNormal = 0;
-$badRevs = array();
-$numGoodRevs = 0;
-
-while ( $row = $dbw->fetchObject( $res ) ) {
- $timestamp = wfTimestamp( TS_UNIX, $row->rev_timestamp );
- $delta = $timestamp - $lastNormal;
- $sign = $delta == 0 ? 0 : $delta / abs( $delta );
- if ( $sign == 0 || $sign == $expectedSign ) {
- // Monotonic change
- $lastNormal = $timestamp;
- ++ $numGoodRevs;
- continue;
- } elseif ( abs( $delta ) <= $grace ) {
- // Non-monotonic change within grace interval
- ++ $numGoodRevs;
- continue;
- } else {
- // Non-monotonic change larger than grace interval
- $badRevs[] = $row->rev_id;
+
+require_once( dirname(__FILE__) . '/Maintenance.php' );
+
+class FixTimestamps extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->mDescription = "";
+ $this->addArg( 'offset', '' );
+ $this->addArg( 'start', 'Starting timestamp' );
+ $this->addArg( 'end', 'Ending timestamp' );
}
-}
-$dbw->freeResult( $res );
-
-$numBadRevs = count( $badRevs );
-if ( $numBadRevs > $numGoodRevs ) {
- echo
-"The majority of revisions in the search interval are marked as bad.
-Are you sure the offset ($offset) has the right sign? Positive means the clock
-was incorrectly set forward, negative means the clock was incorrectly set back.
-
-If the offset is right, then increase the search interval until there are enough
-good revisions to provide a majority reference.
-";
-
- exit(1);
-} elseif ( $numBadRevs == 0 ) {
- echo "No bad revisions found.\n";
- exit(0);
+ public function execute() {
+ $offset = $this->getArg(0) * 3600;
+ $start = $this->getArg(1);
+ $end = $this->getArg(2);
+ $grace = 60; // maximum normal clock offset
+
+ # Find bounding revision IDs
+ $dbw = wfGetDB( DB_MASTER );
+ $revisionTable = $dbw->tableName( 'revision' );
+ $res = $dbw->query( "SELECT MIN(rev_id) as minrev, MAX(rev_id) as maxrev FROM $revisionTable " .
+ "WHERE rev_timestamp BETWEEN '{$start}' AND '{$end}'", __METHOD__ );
+ $row = $dbw->fetchObject( $res );
+
+ if ( is_null( $row->minrev ) ) {
+ $this->error( "No revisions in search period.", true );
+ }
+
+ $minRev = $row->minrev;
+ $maxRev = $row->maxrev;
+
+ # Select all timestamps and IDs
+ $sql = "SELECT rev_id, rev_timestamp FROM $revisionTable " .
+ "WHERE rev_id BETWEEN $minRev AND $maxRev";
+ if ( $offset > 0 ) {
+ $sql .= " ORDER BY rev_id DESC";
+ $expectedSign = -1;
+ } else {
+ $expectedSign = 1;
+ }
+
+ $res = $dbw->query( $sql, __METHOD__ );
+
+ $lastNormal = 0;
+ $badRevs = array();
+ $numGoodRevs = 0;
+
+ foreach ( $res as $row ) {
+ $timestamp = wfTimestamp( TS_UNIX, $row->rev_timestamp );
+ $delta = $timestamp - $lastNormal;
+ $sign = $delta == 0 ? 0 : $delta / abs( $delta );
+ if ( $sign == 0 || $sign == $expectedSign ) {
+ // Monotonic change
+ $lastNormal = $timestamp;
+ ++ $numGoodRevs;
+ continue;
+ } elseif ( abs( $delta ) <= $grace ) {
+ // Non-monotonic change within grace interval
+ ++ $numGoodRevs;
+ continue;
+ } else {
+ // Non-monotonic change larger than grace interval
+ $badRevs[] = $row->rev_id;
+ }
+ }
+ $dbw->freeResult( $res );
+
+ $numBadRevs = count( $badRevs );
+ if ( $numBadRevs > $numGoodRevs ) {
+ $this->error(
+ "The majority of revisions in the search interval are marked as bad.
+
+ Are you sure the offset ($offset) has the right sign? Positive means the clock
+ was incorrectly set forward, negative means the clock was incorrectly set back.
+
+ If the offset is right, then increase the search interval until there are enough
+ good revisions to provide a majority reference.", true );
+ } elseif ( $numBadRevs == 0 ) {
+ $this->output( "No bad revisions found.\n" );
+ exit(0);
+ }
+
+ $this->output( sprintf( "Fixing %d revisions (%.2f%% of revisions in search interval)\n",
+ $numBadRevs, $numBadRevs / ($numGoodRevs + $numBadRevs) * 100 ) );
+
+ $fixup = -$offset;
+ $sql = "UPDATE $revisionTable " .
+ "SET rev_timestamp=DATE_FORMAT(DATE_ADD(rev_timestamp, INTERVAL $fixup SECOND), '%Y%m%d%H%i%s') " .
+ "WHERE rev_id IN (" . $dbw->makeList( $badRevs ) . ')';
+ $dbw->query( $sql, __METHOD__ );
+ $this->output( "Done\n" );
+ }
}
-printf( "Fixing %d revisions (%.2f%% of revisions in search interval)\n",
- $numBadRevs, $numBadRevs / ($numGoodRevs + $numBadRevs) * 100 );
-
-$fixup = -$offset;
-$sql = "UPDATE $revisionTable " .
- "SET rev_timestamp=DATE_FORMAT(DATE_ADD(rev_timestamp, INTERVAL $fixup SECOND), '%Y%m%d%H%i%s') " .
- "WHERE rev_id IN (" . $dbw->makeList( $badRevs ) . ')';
-//echo "$sql\n";
-$dbw->query( $sql, $fname );
-echo "Done\n";
-
-
+$maintClass = "FixTimestamps";
+require_once( DO_MAINTENANCE );