History of gc 2 changes

In src/cli/workspace.rs, lines 187–207 on ba160f60219ec658e83908930d89808a751fc9fc44a39c5afe381bbafae167b3. 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 187,207:src/cli/workspace.rs.