It's easy to do a VFS that handles instant forking (snapshots). Here's an in-memory one I made (pretty useful for unit tests): https://github.com/ncruces/go-sq

It's easy to do a VFS that handles instant forking (snapshots). Here's an in-memory one I made (pretty useful for unit tests): https://github.com/ncruces/go-sqlite3/tree/main/vfs/mvcc https://github.com/ncruces/go-sqlite3/tree/main/vfs/mvcc The problem DoltLite solves is merging, not forking.