History of HubBackend::pusher 1 change

In crates/hub/src/protocol.rs, lines 86–94 on v0.9.22. 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 86,94:crates/hub/src/protocol.rs.