Looks after the relation log in .surfex/ (Surfex.Log).
mix surfex.log --init # create it, and the union merge in .gitattributes
mix surfex.log --break # close the open segment and start a new one
mix surfex.log --verify # report every edited line, missing parent or broken chain
mix surfex.log --rechain # rewrite segment headers after a merge combined segmentsEntries are recorded by the recording commands, never by hand. This task never edits or removes one.