History of gc 4 changes

In src/cli/workspace.rs, lines 1009–1044 on 098227d48b1a9ec8224e82bc8ddab09b246c0ee1cbe5cfe364a3b0b35d36fcd4. 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 1009,1044:src/cli/workspace.rs.