rename

var (
	// Force enables patching of the source files even if conflicts were reported.
	// The resulting program may be ill-formed.
	// It may even cause gorename to crash.  TODO(adonovan): fix that.
	Force bool

	// Diff causes the tool to display diffs instead of rewriting files.
	Diff bool

	// DiffCmd specifies the diff command used by the -d feature.
	// (The command must accept a -u flag and two filename arguments.)
	DiffCmd = "diff"

	// ConflictError is returned by Main when it aborts the renaming due to conflicts.
	// (It is distinguished because the interesting errors are the conflicts themselves.)
	ConflictError = errors.New("renaming aborted due to conflicts")

	// Verbose enables extra logging.
	Verbose bool
)

var Stdout io.Writer = os.Stdout