ref = null;
String toName = Repository.shortenRefName(name);
RefUpdate refUpdate = repo.updateRef(Constants.HEAD, ref == null);
refUpdate.setForceUpdate(force);
refUpdate.setRefLogMessage(refLogMessage + " to " + toName, false);
Result updateResult;
if (ref != null)
updateResult = refUpdate.link(ref.getName());
else {
refUpdate.setNewObjectId(newCommit);
updateResult = refUpdate.forceUpdate();
}
setCallable(false);
boolean ok = false;
switch (updateResult) {
case NEW:
ok = true;
break;
case NO_CHANGE:
case FAST_FORWARD:
case FORCED:
ok = true;
break;
default:
break;
}
if (!ok)
throw new JGitInternalException(MessageFormat.format(JGitText
.get().checkoutUnexpectedResult, updateResult.name()));
if (!dco.getToBeDeleted().isEmpty()) {
status = new CheckoutResult(Status.NONDELETED,
dco.getToBeDeleted());