Enable verbose mode when PRODUCER_VERBOSE is set

features/cli/verbose.feature

@@ -41,3 +41,8 @@ Feature: CLI verbose option
       """
     When I successfully execute the recipe with option -v
     Then the output must match /action: .{,70}$/
+
+  Scenario: enables verbose mode from the environment
+    Given I set the environment variable "PRODUCER_VERBOSE"
+    When I successfully execute the recipe
+    Then the output must contain "Task"

features/steps/environment_steps.rb

@@ -0,0 +1,3 @@
+Given /^I set the environment variable "([^"]+)"$/ do |variable|
+  set_env variable, 'yes'
+end