#!/usr/bin/env ruby

#--
#   Copyright (C) 2012 Gitorious AS
#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU Affero General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU Affero General Public License for more details.
#
#   You should have received a copy of the GNU Affero General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#++

reference_name = ARGV[0]
sha_before = ARGV[1]
sha_after = ARGV[2]

# NOTE: Any core Gitorious update operations goes here at the top (none so far).

require 'pathname'
def custom_hook_path
  real_path_of_this = Pathname.new(File.dirname(__FILE__)).realpath
  full_path_of_this = File.expand_path(real_path_of_this)
  custom_prereceive_path = full_path_of_this + "/custom-update"
end

def run_custom_hook_if_present(ref, sha1, sha2)
  if (File.exist?(custom_hook_path) && File.executable?(custom_hook_path))
    cmd = %Q{#{custom_hook_path} #{ref} #{sha1} #{sha2} 2>&1}
    IO.popen(cmd, 'w+') do |subprocess|
      subprocess.write("")
      subprocess.close_write
      subprocess.read.split("\n").each do |l|
        puts "#{l}\n"
      end
    end

    custom_hook_status = $?
    if !custom_hook_status.success?
      puts "not success, exiting with its code"
      exit(custom_hook_status.exitstatus)
    end
  end  
end

run_custom_hook_if_present(reference_name, sha_before, sha_after)