rtn_rbenv.rb

# coding: utf-8

rbenv_user = (node[:rtn_rbenv][:system] ? 'root' : node[:rtn_rbenv][:user])
if rbenv_user == 'root'
  rbenv_root = '/usr/local/rbenv'
  profile_path = '/etc/profile.d/rbenv.sh'
else
  rbenv_root = "/home/#{rbenv_user}/.rbenv"
  profile_path = "/home/#{rbenv_user}/.bash_profile"
end

# packages ---------------------------------------------------------------------

packages =
  case os[:family]
  when %r(debian|ubuntu)
    %w(git openssl-dev readline)
  when %r(redhat|fedora)
    %w(git openssl-devel readline)
  end

packages.each do |package_name|
  package package_name do
    action :install
  end
end

# rbenv + ruby_build -----------------------------------------------------------

execute 'install rbenv' do
  command "git clone https://github.com/sstephenson/rbenv.git #{rbenv_root}"
  user rbenv_user
  not_if "test -e #{rbenv_root}"
end

execute 'install ruby-build' do
  command "git clone git://github.com/sstephenson/ruby-build.git #{rbenv_root}/plugins/ruby-build"
  user rbenv_user
  not_if "test -e #{rbenv_root}/plugins/ruby-build"
end

execute 'update rbenv' do
  command "cd #{rbenv_root} && git fetch && git pull origin master"
  user rbenv_user
end

execute 'update ruby-build' do
  command "cd #{rbenv_root}/plugins/ruby-build && git fetch && git pull origin master"
  user rbenv_user
end

rbenv_setting = <<"EOS"
# rbenv
export RBENV_ROOT=#{rbenv_root}
export PATH="$RBENV_ROOT/bin:$PATH"
eval "$(rbenv init -)"
EOS

if rbenv_user == 'root'
  execute "create #{profile_path}" do
    command "echo '#{rbenv_setting}' >> #{profile_path}"
    user rbenv_user
    not_if "test -e #{profile_path}"
  end
else
  execute "add #{profile_path}" do
    command "echo '#{rbenv_setting}' >> #{profile_path}"
    user rbenv_user
    not_if "test `cat #{profile_path} | grep 'rbenv' -c` != 0"
  end
end

execute "init rbenv" do
  command "source #{profile_path} && eval \"$(rbenv init -)\""
  user rbenv_user
end

# ruby -------------------------------------------------------------------------

(node[:rtn_rbenv][:install] || {}).each do |ruby_version, gem_list|
  execute "install Ruby #{ruby_version}" do
    command "source #{profile_path} && rbenv install #{ruby_version}"
    user rbenv_user
    not_if "test `source #{profile_path} && rbenv versions | grep '#{ruby_version}' -c` != 0"
  end

  (gem_list || {}).each do |gem_name, gem_version|
    gem_version = nil if gem_version == '*'
    force = (gem_name =~ /\A(bundler|rake)\z/)
    execute "install #{gem_name}#{gem_version ? " v.#{gem_version}" : ''}" do
      command "source #{profile_path} && rbenv shell #{ruby_version} && gem install #{gem_name}#{gem_version ? " -v #{gem_version}" : ''}#{force ? ' --force' : ''}"
      user rbenv_user
    end
  end
end

# glonal -----------------------------------------------------------------------

if global_version = node[:rtn_rbenv][:global]
  execute "rbenv global #{global_version}" do
    command "source #{profile_path} && rbenv global #{global_version}"
    user rbenv_user
  end
end