#
# Cookbook Name:: rvm
# Provider:: shell
#
# Author:: Fletcher Nichol <fnichol@nichol.ca>
#
# Copyright 2011, Fletcher Nichol
#
# 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.
#

action :run do
  ruby_string = normalize_ruby_string(new_resource.ruby_string)

  if env_exists?(ruby_string)
    script_wrapper :run
  else
    Chef::Log.warn("rvm_environment[#{ruby_string}] not created, so skipping")
  end
end


##
# Wraps the script resource for RVM-dependent code.
#
# @param [Symbol] action to be performed with gem_package provider
# @param [optional, String, #to_s] the fully qualifed rvm string
def script_wrapper(exec_action, ruby_string=new_resource.ruby_string)
  profile = find_profile_to_source

  script_code = <<-CODE
    if [ -s "${HOME}/.rvm/scripts/rvm" ]; then
      source "${HOME}/.rvm/scripts/rvm"
    elif [ -s "#{profile}" ]; then
      source "#{profile}"
    fi

    rvm use #{ruby_string}

    #{new_resource.code}
  CODE

  s = script new_resource.name do
    interpreter   "bash"
    code          script_code
    creates       new_resource.creates      if new_resource.creates
    cwd           new_resource.cwd          if new_resource.cwd
    environment   new_resource.environment  if new_resource.environment
    group         new_resource.group        if new_resource.group
    path          new_resource.path         if new_resource.path
    returns       new_resource.returns      if new_resource.returns
    timeout       new_resource.timeout      if new_resource.timeout
    user          new_resource.user         if new_resource.user
    umask         new_resource.umask        if new_resource.umask
    action        :nothing
  end
  s.run_action(exec_action)
end