Once every couple of years someone unfailingly takes advantage of the following two facts: most large git hosting providers set up object sharing between forks of the same repository in order to save both storage space and improve user experience git's loose internal structure allows any shared object to be accessed from any other repository Thus, hilarity ensues on a fairly regular basis: https://github.com/torvalds/linux/blob/ac632c504d0b881d7cfb44e3fdde3ec30eb548d9/Makefile#L6 https://gith...