Er... but then you have (N+1) checkouts of the repository where N is the number of workdirs, no? How does this even work with submodules? Will I have a copy of

Er... but then you have (N+1) checkouts of the repository where N is the number of workdirs, no? How does this even work with submodules? Will I have a copy of the submodules tree in each workdir? Our submodules tree is like 4Gb at this point, I can't very well have 5 of them. Disks are large, but not yet infinite.