# Copyright (C) 2011-2012 RightScale, Inc, All Rights Reserved Worldwide.
#
# THIS PROGRAM IS CONFIDENTIAL AND PROPRIETARY TO RIGHTSCALE
# AND CONSTITUTES A VALUABLE TRADE SECRET. Any unauthorized use,
# reproduction, modification, or disclosure of this program is
# strictly prohibited. Any use of this program by an authorized
# licensee is strictly subject to the terms and conditions,
# including confidentiality obligations, set forth in the applicable
# License Agreement between RightScale.com, Inc. and
# the licensee

module RightConf

  class GitRepoConfigurator

    include Configurator

    register :git_repo

    description 'Clone git repository and build if needed'

    settings :repo => 'git repo URL',
             :path => 'Path where git repo should be cloned to',
             :tag  => 'git tag or branch or sha that should be checked out ("master" by default)'

    validate_has_settings :repo, :path

    # Check whether repo was already cloned
    #
    # === Return
    # true:: If repo was already cloned
    # false:: Otherwise
    def check_linux
      File.exist?(path) && File.exist?(File.join(path, '.git'))
    end
    alias :check_darwin :check_linux
    alias :check_windows :check_linux

    # Clone git repo and run build commands if given
    #
    # === Return
    # true:: Always return true
    def run_linux
      if File.exist?(path)
        FileUtils.mv(path, "#{path}_old")
        post_note "Had to move #{path} to #{path}_old"
      end
      report_check("Cloning #{repo} into #{path}")
      Command.execute('git', 'clone', repo, path,
                      :abort_on_failure => "Failed to clone #{repo} into #{path}")
      report_success
      if tag
        report_check("Checking out #{tag}")
        Dir.chdir(path) do
          Command.execute('git', 'checkout', tag,
                          :abort_on_failure => "Failed to checkout #{tag}")
        end
        report_success
      end
      true
    end
    alias :run_darwin :run_linux

    # Clone git repo and run build commands if given on Windows
    #
    # === Return
    # true:: Always return true
    def run_windows
      true # TBD
    end


  end
end