removed HighLine in favor of ruby's noecho

CHANGELOG.md

@@ -14,8 +14,7 @@ https://github.com/capistrano/capistrano/compare/v3.2.1...HEAD
   * Added tests for after/before hooks features (@juanibiapina, @miry)
   * Improved the output of `cap --help`. (@mbrictson)
   * Cucumber suite now runs on the latest version of Vagrant (@tpett)
-  * The `ask` method now supports the `echo: false` option. (@mbrictson)
-  * Capistrano now depends on the `highline` gem.
+  * The `ask` method now supports the `echo: false` option. (@mbrictson, @kaikuchn)
 
 ## `3.2.1`
 

capistrano.gemspec

@@ -28,7 +28,6 @@ eos
   gem.add_dependency 'sshkit', '~> 1.3'
   gem.add_dependency 'rake', '>= 10.0.0'
   gem.add_dependency 'i18n'
-  gem.add_dependency 'highline'
 
   gem.add_development_dependency 'rspec'
   gem.add_development_dependency 'mocha'

lib/capistrano/all.rb

@@ -1,7 +1,7 @@
 require 'rake'
 require 'sshkit'
 require 'sshkit/dsl'
-require 'highline'
+require 'io/console'
 
 Rake.application.options.trace = true
 

lib/capistrano/configuration/question.rb

@@ -7,18 +7,22 @@ module Capistrano
       end
 
       def call
-        response = highline_ask(question) { |q| q.echo = echo? }
-        save_response(value_or_default(response))
+        ask_question
+        save_response
       end
 
       private
       attr_reader :env, :key, :default, :options
 
-      def save_response(value)
-        env.set(key, value)
+      def ask_question
+        $stdout.print question
       end
 
-      def value_or_default(response)
+      def save_response
+        env.set(key, value_or_default)
+      end
+
+      def value_or_default
         if response.empty?
           default
         else
@@ -26,6 +30,12 @@ module Capistrano
         end
       end
 
+      def response
+        return @response if defined? @response
+        return @response = $stdin.gets.chomp if echo?
+        @response = $stdin.noecho(&:gets).chomp
+      end
+
       def question
         I18n.t(:question, key: key, default_value: default, scope: :capistrano)
       end
@@ -33,12 +43,6 @@ module Capistrano
       def echo?
         (options || {}).fetch(:echo, true)
       end
-
-      def highline_ask(question, &block)
-        # For compatibility, we call #to_s to unwrap HighLine::String and
-        # return a regular String.
-        HighLine.new.ask(question, &block).to_s
-      end
     end
   end
 end

spec/lib/capistrano/configuration/question_spec.rb

@@ -46,34 +46,6 @@ module Capistrano
             env.expects(:set).with(key, branch)
             question.call
           end
-
-        end
-
-        describe 'highline behavior' do
-          let(:highline) { stub }
-
-          before do
-            question.expects(:highline_ask).yields(highline).returns("answer")
-            env.expects(:set).with(key, "answer")
-          end
-
-          context 'with no options' do
-            let(:options) { nil }
-
-            it 'passes echo: true to HighLine' do
-              highline.expects(:"echo=").with(true)
-              question.call
-            end
-          end
-
-          context 'with echo: false' do
-            let(:options) { { echo: false } }
-
-            it 'passes echo: false to HighLine' do
-              highline.expects(:"echo=").with(false)
-              question.call
-            end
-          end
         end
       end
     end