drive: remove part of workaround for rclone#1675

ncw · ncw · commit 4d793b8ee842 · 2018-06-10T15:28:32.000+01:00
Now that https://issuetracker.google.com/issues/64468406 has been fixed, we can remove part of the workaround which fixed rclone#1675 - 019adc3 This will make queries marginally more efficient. We still need the other part of the workaround since the `=` operator is case insensitive.
diff --git a/backend/drive/drive.go b/backend/drive/drive.go
@@ -294,8 +294,7 @@ func (f *Fs) list(dirID string, title string, directoriesOnly bool, filesOnly bo
 		searchTitle = strings.Replace(searchTitle, `'`, `\'`, -1)
 		// Convert ／ to / for search
 		searchTitle = strings.Replace(searchTitle, "／", "/", -1)
-		// use contains to work around #1675
-		query = append(query, fmt.Sprintf("name contains '%s'", searchTitle))
+		query = append(query, fmt.Sprintf("name='%s'", searchTitle))
 	}
 	if directoriesOnly {
 		query = append(query, fmt.Sprintf("mimeType='%s'", driveFolderType))
@@ -343,7 +342,8 @@ OUTER:
 		for _, item := range files.Files {
 			// Convert / to ／ for listing purposes
 			item.Name = strings.Replace(item.Name, "/", "／", -1)
-			// skip items introduced by workaround (#1675)
+			// Check the case of items is correct since
+			// the `=` operator is case insensitive.
 			if title != "" && title != item.Name {
 				continue
 			}
