That's kind of how I use git. I would never use "sponge" or "sed -i" outside of a git repo or with files that haven't been checked in already. I agree it would

That's kind of how I use git. I would never use "sponge" or "sed -i" outside of a git repo or with files that haven't been checked in already. I agree it would be nice to have this in the filesystem; some filesystems support this (e.g. NILFS[1]), but none of the current "mainstream" ones do AFAIK. In the meanwhile, git works well enough. [1]: https://nilfs.sourceforge.io/en/ https://nilfs.sourceforge.io/en/