File globalTags = repo.getRepositoryFile(HgTags); // XXX replace with HgDataFile.workingCopy
if (globalTags.canRead() && globalTags.isFile()) {
read(globalTags, globalToName, globalFromName);
}
if (globalTagsFileMonitor == null) {
globalTagsFileMonitor = new FileChangeMonitor(globalTags);
}
globalTagsFileMonitor.touch(this);
}