extract credentials to own method

code climate complained run had too many lines

lib/floe/cli.rb

@@ -13,12 +13,7 @@ def initialize
     def run(args = ARGV)
       workflows_inputs, opts = parse_options!(args)
 
-      credentials =
-        if opts[:credentials_given]
-          opts[:credentials] == "-" ? $stdin.read : opts[:credentials]
-        elsif opts[:credentials_file_given]
-          File.read(opts[:credentials_file])
-        end
+      credentials = create_credentials(opts)
 
       workflows =
         workflows_inputs.each_slice(2).map do |workflow, input|
@@ -82,6 +77,16 @@ def parse_options!(args)
       return workflows_inputs, opts
     end
 
+    def create_credentials(opts)
+      if opts[:credentials_given]
+        opts[:credentials] == "-" ? $stdin.read : opts[:credentials]
+      elsif opts[:credentials_file_given]
+        File.read(opts[:credentials_file])
+      else
+        {}
+      end
+    end
+
     def create_workflow(workflow, context_payload, input, credentials)
       context = Floe::Workflow::Context.new(context_payload, :input => input, :credentials => credentials)
       Floe::Workflow.load(workflow, context)