cookbooks/chef/libraries/subversion.rb

   1 require "chef/mixin/shell_out"
   2
   3 class Chef
   4   class Provider
   5     class Subversion
   6       extend Chef::Mixin::ShellOut
   7
   8       def sync_command
   9         if current_repository_matches_target_repository?
  10           c = scm :update, new_resource.svn_arguments, verbose, authentication, proxy, "-r#{revision_int}", new_resource.destination
  11           Chef::Log.debug "#{new_resource} updated working copy #{new_resource.destination} to revision #{new_resource.revision}"
  12         else
  13           c = scm :switch, new_resource.svn_arguments, verbose, authentication, proxy, "-r#{revision_int}", new_resource.repository, new_resource.destination
  14           Chef::Log.debug "#{new_resource} updated working copy #{new_resource.destination} to #{new_resource.repository} revision #{new_resource.revision}"
  15         end
  16         c
  17       end
  18
  19       def current_repository
  20         @current_repository ||= repo_attrs["URL"]
  21       end
  22
  23       def current_repository_matches_target_repository?
  24         !current_repository.nil? && (new_resource.repository == current_repository)
  25       end
  26
  27       def repo_attrs
  28         return {} unless ::File.exist?(::File.join(new_resource.destination, ".svn"))
  29
  30         @repo_attrs ||= svn_info.lines.each_with_object({}) do |line, attrs|
  31           next unless line =~ SVN_INFO_PATTERN
  32
  33           property = Regexp.last_match[1]
  34           value = Regexp.last_match[2]
  35           attrs[property] = value
  36         end
  37
  38         raise "Could not parse `svn info` data: #{svn_info}" if @repo_attrs.empty?
  39
  40         @repo_attrs
  41       end
  42
  43       def svn_info
  44         command = scm(:info)
  45         shell_out!(command, run_options(:cwd => cwd, :returns => [0, 1])).stdout
  46       end
  47
  48       def revision_int
  49         @revision_int ||= begin
  50           if new_resource.revision =~ /^\d+$/
  51             new_resource.revision
  52           else
  53             command = scm(:info, new_resource.repository, new_resource.svn_info_args, authentication, "-r#{new_resource.revision}")
  54             svn_info = shell_out!(command, run_options(:returns => [0, 1])).stdout
  55
  56             extract_revision_info(svn_info)
  57           end
  58         end
  59       end
  60     end
  61   end
  62 end