> But, actually, Git does not support any file permissions other than 644 and 755. So a change from one to the other could theoretically be represented in just

> But, actually, Git does not support any file permissions other than 644 and 755. So a change from one to the other could theoretically be represented in just one bit of information. Git also supports mode 120000 (symbolic links), so you could add another bit of information there.