Git post-receive hook for sending commit data to a github-services server.

post-receive.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'grit'
require 'net/http'
require 'json'

rev_old, rev_new, ref = STDIN.read.split(" ")
repo = Grit::Repo.new File.expand_path(".")

payload = {
  :before     => rev_old,
  :after      => rev_new,
  :ref        => ref,
  :compare    => '',
  :commits    => [],
  :repository => {
    :name        => ENV["GL_REPO"],
    :url         => '',
    :pledgie     => '',
    :description => '',
    :homepage    => '',
    :watchers    => '',
    :forks       => '',
    :private     => '',
    :owner       => {
      :name  => '',
      :email => ''
    }
  }
}

repo.commits(ref, 50).each do |commit|
  break if commit.id == rev_old

  added_files    = []
  removed_files  = []
  modified_files = []

  parent = commit.parents.first.id if commit.parents.first.is_a?(Grit::Commit)

  Grit::Commit.diff(repo, parent, commit.id).each do |diff|
    if diff.new_file
      added_files.push(diff.a_path)
    elsif diff.deleted_file
      removed_files.push(diff.a_path)
    else
      modified_files.push(diff.a_path)
    end
  end

  payload[:commits].push(
    :id             => commit.id,
    :message        => commit.message,
    :timestamp      => commit.committed_date.xmlschema,
    :added          => added_files,
    :removed        => removed_files,
    :modified       => modified_files,
    :author         => {
      :name  => commit.author.name,
      :email => commit.author.email
    }
  )
end

payload[:commits].reverse!

services = `git config --get github-services.services`.split(' ')
server = `git config --get github-services.server`
server = 'github-services.heroku.com' if server == ''
http = Net::HTTP.new(server.gsub(/\n/, ''), 80)

services.each do |service|
  config = `git config --get-regexp github-services.#{service}`
  data = {}

  config.split(/\n/).each do |line|
    key = /(.*?\.){2}([\w]*)/.match(line)[2]
    value = /\s.*/.match(line)[0].gsub(/^\s/, '')
    data[key.to_sym] = value
    puts data
  end

  path = "/#{service}/push"
  http.post(path, "data=#{data.to_json}&payload=#{payload.to_json}")
end