checkArgument(rev.length() == 10, "Unsupported revision %s", rev);
builder.append("rev").append(rev, 2, 4).append(rev, 5, 7).append(rev.substring(8));
} else {
checkArgument(rev.length() == 10, "Unsupported revision %s", rev);
builder.append("rev").append(rev, 2, 4).append(rev, 5, 7).append(rev.substring(8));
} else {