History of submodule_add 2 changes

In src/cli/sync.rs, lines 577–594 on e266b7d4065cf05d339a592be8c87d877bddf9f443dad0021a870c3d5988e9ad. 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.