I'm assuming from your comment that you're already aware of --reference but it doesn't completely meet your needs? The only other thing I can think of would be

I'm assuming from your comment that you're already aware of --reference but it doesn't completely meet your needs? The only other thing I can think of would be to use the 'insteadOf' configuration to tell Git to use your local clone instead of the remote one. Search 'git help config' for 'url.<base>.insteadOf'.