public UpdateResult update() throws IOException {
String output = processManifestMergeConflictPrompting();
BufferedReader reader = new BufferedReader(new StringReader(output));
String line;
UpdateResult result = null;
while ((line = reader.readLine()) != null) {
if (line.startsWith("merging ")) {
// Just ignore
} else if (line.equals("use 'hg resolve' to retry unresolved file merges")) {
// Ignore