Issue #1542854 by drumm, BTMash: Fixed system_update_7061() converts filepaths too aggressively.

modules/simpletest/tests/upgrade/drupal-6.upload.database.php

@@ -114,6 +114,19 @@ db_insert('files')->fields(array(
   'status' => '1',
   'timestamp' => '1285708957',
 ))
+/*
+ * This is a case where the path is repeated twice.
+ */
+->values(array(
+  'fid' => '11',
+  'uid' => '1',
+  'filename' => 'crazy-basename.png',
+  'filepath' => '/drupal-6/file/directory/path/drupal-6/file/directory/path/crazy-basename.png',
+  'filemime' => 'image/png',
+  'filesize' => '329',
+  'status' => '1',
+  'timestamp' => '1285708958',
+))
 ->execute();
 
 db_insert('node')->fields(array(
@@ -235,8 +248,8 @@ db_insert('node_revisions')->fields(array(
   'vid' => '53',
   'uid' => '1',
   'title' => 'node title 40 revision 53',
-  'body' => "Attachments:\r\nforum-hot-new.png\r\nforum-hot.png\r\nforum-sticky.png\r\nforum-new.png",
-  'teaser' => "Attachments:\r\nforum-hot-new.png\r\nforum-hot.png\r\nforum-sticky.png\r\nforum-new.png",
+  'body' => "Attachments:\r\nforum-hot-new.png\r\nforum-hot.png\r\nforum-sticky.png\r\nforum-new.png\r\ncrazy-basename.png",
+  'teaser' => "Attachments:\r\nforum-hot-new.png\r\nforum-hot.png\r\nforum-sticky.png\r\nforum-new.png\r\ncrazy-basename.png",
   'log' => '',
   'timestamp' => '1285709012',
   'format' => '1',
@@ -394,4 +407,12 @@ db_insert('upload')->fields(array(
   'list' => '1',
   'weight' => '-1',
 ))
+->values(array(
+  'fid' => '11',
+  'nid' => '40',
+  'vid' => '53',
+  'description' => 'crazy-basename.png',
+  'list' => '1',
+  'weight' => '0',
+))
 ->execute();

modules/simpletest/tests/upgrade/upgrade.upload.test

@@ -64,6 +64,12 @@ class UploadUpgradePathTestCase extends UpgradePathTestCase {
       }
       $this->assertIdentical($filenames, $recorded_filenames, 'The uploaded files are present in the same order after the upgrade.');
     }
+    // Test for the file with repeating basename to only have the streaming
+    // path replaced.
+    $node = node_load(40, 53);
+    $repeated_basename_file = $node->upload[LANGUAGE_NONE][4];
+    $this->assertEqual($repeated_basename_file['uri'], 'private://drupal-6/file/directory/path/crazy-basename.png', "The file with the repeated basename path only had the stream portion replaced");
+
     // Make sure the file settings were properly migrated.
     $d6_file_directory_temp = '/drupal-6/file/directory/temp';
     $d6_file_directory_path = '/drupal-6/file/directory/path';

modules/system/system.install

@@ -2791,7 +2791,7 @@ function system_update_7061(&$sandbox) {
       foreach ($revision['file'][LANGUAGE_NONE] as $delta => $file) {
         // We will convert filepaths to uri using the default scheme
         // and stripping off the existing file directory path.
-        $file['uri'] = $scheme . str_replace($basename, '', $file['filepath']);
+        $file['uri'] = $scheme . preg_replace('!^' . $basename . '!', '', $file['filepath']);
         $file['uri'] = file_stream_wrapper_uri_normalize($file['uri']);
         unset($file['filepath']);
         // Insert into the file_managed table.