guard cucumber binstubs option (matches guard-rspec behavior).

README.md

@@ -70,6 +70,9 @@ Former `:color`, `:drb`, `:port` and `:profile` options are thus deprecated and
 :bundler => false                 # Don't use "bundle exec" to run the Cucumber command
                                   # default: true
 
+:binstubs => true                 # use "bin/cucumber" to run the Cucumber command (implies :bundler => true)
+                                  # default: false
+
 :rvm => ['1.8.7', '1.9.2']        # Directly run your features on multiple ruby versions
                                   # default: nil
 

lib/guard/cucumber/runner.rb

@@ -18,7 +18,7 @@ class << self
         def run(paths, options = { })
           return false if paths.empty?
 
-          message = options[:message] || (paths == ['features'] ? 'Run all Cucumber features' : "Run Cucumber features #{ paths.join(' ') }")
+          message = options[:message] || (paths == ['features'] ? "Running all Cucumber features: #{ cucumber_command(paths, options) }" : "Running Cucumber features: #{ cucumber_command(paths, options) }")
           UI.info message, :reset => true
 
           system(cucumber_command(paths, options))
@@ -38,9 +38,8 @@ def run(paths, options = { })
         def cucumber_command(paths, options)
           cmd = []
           cmd << "rvm #{options[:rvm].join(',')} exec" if options[:rvm].is_a?(Array)
-          cmd << 'bundle exec' if bundler? && options[:bundler] != false
-
-          cmd << 'cucumber'
+          cmd << 'bundle exec' if (bundler? && options[:bundler] != false) || (bundler? && options[:binstubs].is_a?(TrueClass))
+          cmd << cucumber_exec(options)
           cmd << options[:cli] if options[:cli]
 
           if options[:notification] != false
@@ -54,6 +53,14 @@ def cucumber_command(paths, options)
           (cmd + paths).join(' ')
         end
 
+        # Simple test if binstubs prefix should be used.
+        #
+        # @return [String] Cucumber executable
+        #
+        def cucumber_exec(options = {})
+            options[:binstubs] == true && ( bundler? || options[:bundler] != false ) ? "bin/cucumber" : "cucumber"
+        end
+
         # Simple test if bundler should be used. it just checks for the `Gemfile`.
         #
         # @return [Boolean] bundler exists

spec/guard/cucumber/runner_spec.rb

@@ -29,6 +29,45 @@
       end
     end
 
+    describe ":binstubs" do
+      it "runs without Bundler with binstubs option to true and bundler option to false" do
+        subject.should_receive(:system).with(
+          "bundle exec bin/cucumber --require #{ @lib_path.join('guard/cucumber/notification_formatter.rb') } --format Guard::Cucumber::NotificationFormatter --out #{ null_device } --require features features"
+        ).and_return(true)
+        subject.run(["features"], :bundler => false, :binstubs => true)
+      end
+      it "runs with Bundler and binstubs with bundler option to true and binstubs option to true" do
+        subject.should_receive(:system).with(
+          "bundle exec bin/cucumber --require #{ @lib_path.join('guard/cucumber/notification_formatter.rb') } --format Guard::Cucumber::NotificationFormatter --out #{ null_device } --require features features"
+        ).and_return(true)
+        subject.run(["features"], :bundler => true, :binstubs => true)
+      end
+      it "runs with Bundler and binstubs with bundler option unset and binstubs option to true" do
+        subject.should_receive(:system).with(
+          "bundle exec bin/cucumber --require #{ @lib_path.join('guard/cucumber/notification_formatter.rb') } --format Guard::Cucumber::NotificationFormatter --out #{ null_device } --require features features"
+        ).and_return(true)
+        subject.run(["features"], :binstubs => true)
+      end
+      it "runs with Bundler and binstubs with bundler option unset, binstubs option to true and all_after_pass option to true" do
+        subject.should_receive(:system).with(
+          "bundle exec bin/cucumber --require #{ @lib_path.join('guard/cucumber/notification_formatter.rb') } --format Guard::Cucumber::NotificationFormatter --out #{ null_device } --require features features"
+        ).and_return(true)
+        subject.run(["features"], :binstubs => true, :all_after_pass => true)
+      end
+      it "runs with Bundler and binstubs with bundler option unset, binstubs option to true and all_on_start option to true" do
+        subject.should_receive(:system).with(
+          "bundle exec bin/cucumber --require #{ @lib_path.join('guard/cucumber/notification_formatter.rb') } --format Guard::Cucumber::NotificationFormatter --out #{ null_device } --require features features"
+        ).and_return(true)
+        subject.run(["features"], :binstubs => true, :all_on_start => true)
+      end
+      it "runs with Bundler and binstubs with bundler option unset, binstubs option to true, all_on_start option to true and all_after_pass option to true" do
+        subject.should_receive(:system).with(
+          "bundle exec bin/cucumber --require #{ @lib_path.join('guard/cucumber/notification_formatter.rb') } --format Guard::Cucumber::NotificationFormatter --out #{ null_device } --require features features"
+        ).and_return(true)
+        subject.run(["features"], :binstubs => true, :all_after_pass => true, :all_on_start => true)
+      end
+    end
+
     context 'with a :cli option' do
       it 'appends the cli arguments when calling cucumber' do
         runner.should_receive(:system).with(