As mentioned in a previous comment ( https://news.ycombinator.com/item?id=13722469 ) git doesn't see these the same as it hashes the header+content which breaks the identical SHA trick.
Of course, I first tested this on our main production repository at work because...oh, wait, I didn't because what were you thinking?!
Of course, I first tested this on our main production repository at work because...oh, wait, I didn't because what were you thinking?!