lib/nvvm/installer.rb in nvvm-0.2.0 vs lib/nvvm/installer.rb in nvvm-0.3.0

@@ -1,10 +1,10 @@
 require 'fileutils'
 
 module Nvvm
   class Installer
-    def initialize(version, conf, silent = false)
+    def initialize(version, conf, silent: false)
       nvvmopt  = ENV['NVVMOPT']
       @silent  = silent ? '> /dev/null 2>&1' : ''
       @version = version
       @conf    = conf.flatten.empty? && nvvmopt ? nvvmopt.split(' ') : conf
     end
@@ -22,10 +22,11 @@
     end
 
     def checkout
       src = src_dir(@version)
       return if File.exist?(src)
+
       FileUtils.mkdir_p(src)
       archive = "git archive --format=tar #{@version}"
       expand  = "(cd #{src} && tar xf -)"
       Dir.chdir repo_dir do
         system("#{archive} | #{expand} #{@silent}")
@@ -60,19 +61,26 @@
         FileUtils.cp(login, etc_dir)
       end
     end
 
     def message
-      return if !$?.success? || !@silent.empty?
+      return unless message?
+
       print "\e[32m"
       puts <<-MESSAGE
 
   Neovim is successfully installed. For daily use,
   please add the following line into your ~/.bash_login etc:
 
   test -f ~/.nvvm/etc/login && source ~/.nvvm/etc/login
 
       MESSAGE
       print "\e[0m"
+    end
+
+    private
+
+    def message?
+      $?.success? && @silent.empty?
     end
   end
 end