History of undo 1 change

In src/cli/workspace.rs, lines 172–177 on 79ab8528ff62404fa16704012742b95c6594c6a4fcf08dfddebae0754ac59d6e. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 172,177:src/cli/workspace.rs.