*チケットコメントを間違えた時の再登録（trac-admin resync）

見つからなかったので
http://mosa.nubobo.net/archives/33
このページを参考に作りました・・・
script/resync
 #!/usr/bin/env ruby
 require File.dirname(__FILE__) + '/../config/boot'
 require RAILS_ROOT + '/config/environment'
 
 prj_id = ARGV.shift
 rev    = ARGV.shift
 
 unless prj_id && rev
   print "USAGE: #{$0} project_id revision_no\n"
   exit 1
 end
 
 project = Project.find_by_identifier(prj_id)
 unless project
   raise "Not found project by #{prj_id}"
 end
 repository = project.repository
 revisions = repository.scm.revisions(nil, rev, rev)
 
 print "rev:#{revisions.first.identifier} #{revisions.first.message}\n"
 
 changeset = repository.changesets.find_by_revision(rev)
 changeset.update_attribute("comments", revisions.first.message)
 changeset.scan_comment_for_issue_ids