History of deepen 2 changes

In src/cli/sync.rs, lines 730–752 on 2517abe64654dbbf11a0ea52b9ca2d53cbc000c398326655704b0d70d0aae84a. 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 730,752:src/cli/sync.rs.