History of submodule_add 2 changes

In src/cli/sync.rs, lines 577–594 on 0f93f49ce059545cb28a316def983a6221dda14dc185d411f8e1304abd8aa081. 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 577,594:src/cli/sync.rs.