#!/usr/bin/env ruby

require "fileutils"

repos = "/home/svn/repos"
trac = "/home/trac"
backup = "/home/ussy/backup"

def remove_last_separator(path)
  path.gsub(/\/+\z/, "")
end

def backup(repos, trac, backup)
  date = Time.now.strftime("%Y%m%d")
  repos_backup = "#{backup}/#{date}/svn"
  trac_backup = "#{backup}/#{date}/trac"

  FileUtils.mkdir_p(backup) unless File.exists?(backup)
  FileUtils.mkdir_p(repos_backup) unless File.exists?(repos_backup)
  FileUtils.mkdir_p(trac_backup) unless File.exists?(trac_backup)

  Dir.foreach(repos) do |dir|
    next if /\A\./ =~ dir

    svnadmin = "svnadmin hotcopy #{repos}/#{dir} #{repos_backup}/#{dir}"
    puts svnadmin
    `#{svnadmin}`

    next unless File.exists?("#{trac}/#{dir}")

    tracadmin = "trac-admin #{trac}/#{dir} hotcopy #{trac_backup}/#{dir}"
    puts tracadmin
    `#{tracadmin}`
  end
end

backup(
  remove_last_separator(repos),
  remove_last_separator(trac),
  remove_last_separator(backup))