#!/usr/bin/env ratch

# Publish website to rubyforge
#
# This task publishes the source dir (deafult 'doc')
# to a rubyforge website.

main :publish do
  config = configuration['publish']

  project     = config['project']
  subdir      = config['subdir']
  source      = config['source'] || "doc"
  username    = config['username'] || ENV['RUBYFORGE_USERNAME']
  protect     = %w{usage statcvs statsvn robot.txt wiki}
  exclude     = %w{.svn}

  abort "no project"  unless project
  abort "no username" unless username

  if subdir
    destination = File.join(project, subdir)
  else
    destination = project
  end

  dir = source.chomp('/') + '/'
  url = "#{username}@rubyforge.org:/var/www/gforge-projects/#{destination}"

  op = ['-rLvz', '--delete']  # maybe -p ?

  # add filter options. The commandline version didn't seem
  # to work, so I opted for creating an .rsync_filter file for
  # all cases.

  filter_file = File.join(source,'.rsync-filter')

  unless file?(filter_file)
    File.open(filter_file, 'w') do |f|
      exclude.map{|e| f << "- #{e}\n"}
      protect.map{|e| f << "P #{e}\n"}
    end
  end

  op << "--filter='dir-merge #{filter_file}' --delete-after"

  args = op + [dir, url]

  rsync(*args.to_params)
end