If the goal is just to make it work like google3, then hg and jj and sapling can all already achieve this. There’s no need for a new contender here. The differentiation must come from something else.
But of course at Google the file system part (CitC) is a layer beneath the version control system and is shared across different vcs tools.
But of course at Google the file system part (CitC) is a layer beneath the version control system and is shared across different vcs tools.