fix: trim trailing slash from base url

lib/pact_broker/client/cli/custom_thor.rb

@@ -14,6 +14,19 @@ class AuthError < ::Thor::Error; end
       class CustomThor < ::Thor
         using PactBroker::Client::HashRefinements
 
+        def initialize(args = nil, options = nil, config = nil)
+          super(args, options, config)
+          postprocess_options
+        end
+
+        def postprocess_options
+          new_options = {}
+          if options.include?("broker_base_url")
+            new_options["broker_base_url"] = options["broker_base_url"].chomp('/')
+          end
+          self.options = options.merge(new_options)
+        end
+
         no_commands do
           def self.exit_on_failure?
             true

spec/lib/pact_broker/client/cli/custom_thor_spec.rb

@@ -72,6 +72,13 @@ def test_without_parameters
       end
     end
 
+    it "removes trailing slashes from the broker base url" do
+      expect(Delegate).to receive(:call) do | options |
+        expect(options.broker_base_url).to eq 'http://bar'
+      end
+      TestThor.start(%w{test_using_env_vars --broker-base-url http://bar/})
+    end
+
     describe ".turn_muliple_tag_options_into_array" do
       it "turns '--tag foo --tag bar' into '--tag foo bar'" do
         input = %w{--ignore this --tag foo --tag bar --wiffle --that}