sup-sync-back in sup-0.10

- old
+ new

@@ -3,11 +3,11 @@
 require 'rubygems'
 require 'uri'
 require 'tempfile'
 require 'trollop'
 require 'enumerator'
-require "sup"
+require "sup"; Redwood::check_library_version_against "0.10"
 
 ## save a message 'm' to an open file pointer 'fp'
 def save m, fp
   m.source.each_raw_message_line(m.source_info) { |l| fp.print l }
 end
@@ -45,10 +45,11 @@
   opt :move_spam, "Move spam messages to a local mbox file.", :type => String, :short => :none
 
   opt :with_dotlockfile, "Specific dotlockfile location (mbox files only).", :default => "/usr/bin/dotlockfile", :short => :none
   opt :dont_use_dotlockfile, "Don't use dotlockfile to lock mbox files. Dangerous if other processes modify them concurrently.", :default => false, :short => :none
 
+  opt :index, "Use this index type ('auto' for autodetect)", :default => "auto"
   opt :verbose, "Print message ids as they're processed."
   opt :dry_run, "Don't actually modify the index. Probably only useful with --verbose.", :short => "-n"
   opt :version, "Show version information", :short => :none
 
   conflicts :drop_deleted, :move_deleted
@@ -63,10 +64,10 @@
 
   exit
 end
 
 Redwood::start
-index = Redwood::Index.init
+index = Redwood::Index.init opts[:index]
 index.lock_interactively or exit
 
 deleted_fp, spam_fp = nil
 unless opts[:dry_run]
   deleted_fp = File.open(opts[:move_deleted], "a") if opts[:move_deleted] 