Introduce rbenv cookbook

README.md

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+sprout-osx-ruby
+===============
+Recipes to install ruby related tools on OS X Mountain Lion.

attributes/default.rb

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+node.default['sprout']['rbenv'] = {
+  'home' => "#{node['sprout']['home']}/.rbenv",
+  'command' => '/usr/local/bin/rbenv',
+  'rubies' => {
+      '1.9.3-p448' => {},
+      '2.0.0-p247' => {},
+    },
+  'default_ruby' => '1.9.3-p448',
+}

definitions/ruby_install.rb

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+define :ruby_install do
+  ruby_version = params[:version] || params[:name]
+  options = params[:options] || {}
+
+  include_recipe "sprout-osx-rbenv"
+
+  rbenv_cmd = node['sprout']['rbenv']['command']
+  install_cmd = "#{rbenv_cmd} install #{ruby_version} #{options[:command_line_options]}"
+
+  execute "installing #{ruby_version} with RBENV: #{install_cmd}" do
+    command install_cmd
+    user params[:user] || node['current_user']
+    only_if params[:only_if] if params[:only_if]
+    not_if params[:not_if] || "#{rbenv_cmd} versions | grep #{ruby_version}"
+    env params[:options][:env]
+  end
+
+  execute "check #{ruby_version}" do
+    command "#{rbenv_cmd} versions | grep #{ruby_version}"
+    user params[:user] || node['current_user']
+  end
+end

metadata.rb

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+name             'sprout-osx-rbenv'
+maintainer       'Pivotal Labs'
+maintainer_email 'accounts@pivotallabs.com'
+license          'MIT'
+description      'Installs/Configures sprout-osx-rbenv'
+long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
+version          '0.1.0'
+supports         'mac_os_x'
+depends          'sprout-osx-base'

recipes/default.rb

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+rubies       = node['sprout']['rbenv']['rubies']
+default_ruby = node['sprout']['rbenv']['default_ruby']
+
+brew 'rbenv'
+brew 'ruby-build'
+
+sprout_osx_base_bash_it_enable_feature 'plugins/rbenv'
+
+rubies.each do |version, options|
+  ruby_install version do
+    options options
+  end
+end
+
+execute "making #{default_ruby} with rbenv the default" do
+  command "rbenv global #{default_ruby}"
+  user node['current_user']
+  not_if { default_ruby.nil? }
+end