#!/usr/bin/env ruby

require 'xmpp4r'
require 'xmpp4r/muc/helper/simplemucclient'

oldrev  = gets.chomp
newrev  = gets.chomp
refname = gets.chomp
user    = ENV['GL_USER']

@jabber_id= "git@higgsboson.tk"
@password = "ZTA2NTlkMmNlYjNlZ"

robot = Jabber::Client::new(Jabber::JID::new(@jabber_id))
robot.connect
robot.auth(@password)
robot.send(Jabber::Presence.new.set_type(:available))

muc = Jabber::MUC::SimpleMUCClient.new(robot)
muc.join(Jabber::JID.new('lctp@muc.higgsboson.tk/git'))

revs = `git rev-list #{oldrev}..#{newrev}`.split("\n")
message = "#{user} has committed: "
revs.each do |rev|
  commit = `git cat-file commit #{rev} | sed '1,/^$/d'`
  message += "#{commit}\n"
end

sleep(2)
muc.say(message)