Hardlinking worktree won't work. The closet thing we can do is copy-on-write links, which was discussed before [1]
[1] http://thread.gmane.org/gmane.comp.version-control.git/169460/focus=169724 -- Duy -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org