There isn't much of a difference. The underlying principles of how they work are essentially the same. However hg has IMHO a more pleasant UI, and it's easier t

There isn't much of a difference. The underlying principles of how they work are essentially the same. However hg has IMHO a more pleasant UI, and it's easier to customise. I believe Facebook chose hg for the latter reason: https://code.facebook.com/posts/218678814984400/scaling-mercurial-at-facebook/ https://code.facebook.com/posts/218678814984400/scaling-merc...