History of rule 2 changes

In crates/hub/src/diffusion.rs, lines 1242–1254 on 0024ccb1b05029300c29ddf888be7513897fa381fc0e0e7b8661e3f00229d460. 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 1242,1254:crates/hub/src/diffusion.rs.