# Cookbook Name:: erlang
# Recipe:: default
# Author:: Joe Williams <joe@joetify.com>
# Author:: Matt Ray <matt@opscode.com>
# Author:: Hector Castro <hector@basho.com>
#
# Copyright 2008-2009, Joe Williams
# Copyright 2011, Opscode Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

include_recipe 'build-essential'

erlang_deps = case node['platform_family']
              when 'debian'
                %w{ libncurses5-dev openssl libssl-dev }
              when 'rhel', 'fedora'
                %w{ ncurses-devel openssl-devel }
              else
                []
              end

erlang_deps.each do |pkg|
  package pkg do
    action :install
  end
end

bash 'install-erlang' do
  cwd Chef::Config[:file_cache_path]
  code <<-EOH
    tar -xzf otp_src_#{node['erlang']['source']['version']}.tar.gz
    (cd otp_src_#{node['erlang']['source']['version']} && ./configure && make && make install)
  EOH
  action :nothing
  not_if "erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell | grep #{node['erlang']['source']['version']}"
end

remote_file File.join(Chef::Config[:file_cache_path], "otp_src_#{node['erlang']['source']['version']}.tar.gz") do
  source node['erlang']['source']['url']
  owner 'root'
  mode 0644
  checksum node['erlang']['source']['checksum']
  notifies :run, 'bash[install-erlang]', :immediately
end