History of submodule_add 2 changes

In src/cli/sync.rs, lines 536–553 on 1b2ce97050fe04fbb606cd8e4b26741c4a0292ab378a180572a9aeb17dcc62d9. 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 536,553:src/cli/sync.rs.