[ruby/fileutils] Do not break in verbose mode if using FileUtils with a frozen object
If FileUtils is included into another object, and verbose mode is
used, a FrozenError is currently raised unless the object has the
@fileutils_output and @fileutils_label instance variables.
This fixes things so that it does not attempt to set the instance
variables, but it still uses them if they are present.
[ruby/fileutils] Do not break in verbose mode if using FileUtils with a frozen object
If FileUtils is included into another object, and verbose mode is
used, a FrozenError is currently raised unless the object has the
@fileutils_output and @fileutils_label instance variables.
This fixes things so that it does not attempt to set the instance
variables, but it still uses them if they are present.
https://github.com/ruby/fileutils/commit/689cb9c56a