public void clearCheckpoints() {
		synchronized (snapshotLock) {
			synchronized (this) {
				int oldMaxCheckpoints = maxCheckpoints;
				checkpoint();
				setMaxUndos(0);
				setMaxUndos(oldMaxCheckpoints);
			}
		}
	}
Clear all checkpoints and re-baseline buffers
Ghidra/Framework/DB/src/main/java/db/buffers/BufferMgr.java