+ ///
+ std::string rename(support::FileName const &);
+ /// Does the current VC support this operation?
+ bool renameEnabled() const;
+ ///
+ std::string copy(support::FileName const &);
+ /// Does the current VC support this operation?
+ bool copyEnabled() const;
+
+ /// Unlock and commit changes.
+ /// \p log is non-empty on success and may be empty on failure.
+ CommandResult checkIn(std::string & log);