in core/ruby2.5Action/rackapp/init.rb [101:113]
def unzip(zipfile_path, destination_folder)
Zip::File.open(zipfile_path) do |zip|
zip.each do |file|
f_path = destination_folder + file.name
FileUtils.mkdir_p(File.dirname(f_path))
zip.extract(file, f_path)
end
end
true
rescue
false
end