Differences

This shows you the differences between two versions of the page.

--- tips:fixmtime [2008-09-01 03:21] – added PHP script that fixes timestamps 89.210.228.96
+++ tips:fixmtime [2023-08-17 19:17] (current) – [PHP script] 2804:14c:6324:8204:3157:1995:f6:a0e2
@@ Line 1: / Line 1: @@
+====== Fix modification times based on timestamps ======
+Occasionally you may want to move your dokuwikis to another host.
+To move your data, you will use things
+like ''ftp'' and ''tar/untar''. During this process
+the file modification times of your pages may be modified, and
+they may no longer match the timestamps that are
+created by dokuwiki as meta-information.
+The resulting symptom is that the actual author of a page
+will no longer be displayed. You will see an ''external edit''
+instead.
+To fix this, the file modification times have to be updated
+according to the timestamps.
+===== Python Script =====
+The following is a (throw-away) python script that does this. Run
+it from within the ''data/pages'' directory.
+<code python>
+import os
+path = os.path
+os.stat_float_times(False)
+meta = path.join(os.pardir, 'meta')
+assert path.isdir(meta)
+for root, dirs, filenames in os.walk(os.curdir):
+    for filename in filenames:
+        base, ext = path.splitext(filename)
+        changelog = path.join(meta, root, base + ".changes")
+        if not path.isfile(changelog):
+            print "Changelog not found: %s" % changelog
+            continue
+        timestamp = 0
+        for line in open(changelog):
+            timestamp = int(line.split()[0])
+        file = path.join(root, filename)
+        print "updating %s" % file
+        print "    timestamp: %s" % timestamp
+        print "    old modification time: %s" % path.getmtime(file)
+        os.utime(file, (timestamp, timestamp))
+        print "    new modification time: %s" %  path.getmtime(file)
+</code>
+===== PHP script =====
+The following is a PHP script that fixes modification times based on changelog timestamps this. **Run it from within DokuWiki installation directory.**
+<code PHP>
+<?php
+/**
+ * Fix modification times based on timestamps. Run from within DokuWiki installation directory.
+ * @Author: dreamlusion <http://dreamlusion.eucoding.com>
+ * last modified: 2008-09-05 4:15:00
+ * updated by Daniel "Nerun" Rodrigues in 2023-08-17
+ */
+function WalkDirectory($parentDirectory) {
+	global $_weeds;
+	foreach(array_diff(scandir($parentDirectory), $_weeds) as $directory)
+	{
+		$path = $parentDirectory . '/'. $directory;
+		if(is_dir($path))
+		{
+			WalkDirectory($path);
+		}
+		else
+		{
+			// Calculate changes file path.
+			$path_parts = pathinfo($path);
+			// Remove pages path.
+			global $_pagesPath;
+			$relativePath = substr($path_parts['dirname'], strlen($_pagesPath), strlen($path_parts['dirname']));
+			// Add <filename>.changes
+			$filename = $path_parts['filename']; // Requires PHP 5.2.0 (http://gr2.php.net/manual/en/function.pathinfo.php)
+			$relativePath .= '/' . $filename . '.' . 'changes';
+			global $_metaPath;
+			$changelog = $_metaPath . '/' . $relativePath;
+			if (is_file($changelog))
+			{
+				$handle = @fopen($changelog, "r");
+				if ($handle) {
+				    while (!feof($handle)) {
+				        $buffer = fgets($handle);
+				        preg_match('/(?<timestamp>\d+)/', $buffer, $matches);
+						if ( isset($matches['timestamp']) && $matches['timestamp'] != '' )
+							$timestamp = $matches['timestamp'];
+				    }
+				    fclose($handle);
+				}
+				// At this point we have our timestamp.
+				echo 'Updating ' . $path . '<br />';
+				echo '&nbsp;&nbsp;&nbsp;&nbsp;Timestamp in changelog: ' . $timestamp . '<br />';
+				echo '&nbsp;&nbsp;&nbsp;&nbsp;Old modification time: ' . filemtime($path) . '<br />';
+				if (touch($path, $timestamp))
+				{
+					// In my host, although the timestamp had changed successfully (checked manually), running filemtime($path) at this point
+					// did not return the correct timestamp, so use I use $timestamp instead of filemtime($path) to avoid confusing the user.
+					echo '&nbsp;&nbsp;&nbsp;&nbsp;New modification time: ' . $timestamp . '<br />';
+				}
+				else
+				{
+					echo '&nbsp;&nbsp;&nbsp;&nbsp;Could not change modification time for page ' . $filename;
+				}
+			}
+			else
+			{
+				echo 'Changelog not found: ' . $changelog . '<br />';
+			}
+		}
+	}
+}
+$_weeds = array('.', '..');
+$_pagesPath = getcwd() . '/data/pages';
+$_metaPath = getcwd() . '/data/meta';
+WalkDirectory($_pagesPath);
+?>
+</code>