If someone lifts the key they get perpetual access to your entire repo without any further need to have access to your machine. If they lift the repo then they

If someone lifts the key they get perpetual access to your entire repo without any further need to have access to your machine. If they lift the repo then they get a snapshot of the branch(es) you have have in it at that moment in time - they'll need continued access to the machine if they want continued access to the data. There can be a nontrivial difference here right?