post-receive.rb

#!/usr/bin/env ruby

## post-receive
##
## Description: 
## This should live in a gitosis repo's .git/hooks directory and be set executable
## It is run every time someone sucessfully does a "git push" to the server
## Then it POSTs to a server, ideally creating a Drupal node with the details of the git push.

require 'net/http'
require 'uri'

# CONSTANTS
$refname = ARGV[0]
$oldrev  = ARGV[1]
$newrev  = ARGV[2]
$user    = ENV['USER']

# .htaccess:
$USER = ""
$PASS = ""

# URL to POST
#postURL = URI.parse('http://example.com/drupal_create_case.php')
$postURL = URI.parse('http://localhost:9393/')

$regex = /^\d+$/

def post_form(rev) 

  message = `git cat-file commit #{rev} | sed '1,/^$/d'`
  caseNumber = message.split("\n").last
	request = Net::HTTP::Post.new($postURL.path);
	request.basic_auth $USER, $PASS
	request.set_form_data({"caseNumber" => caseNumber, "rev" => rev, "message" => message})
	res = Net::HTTP.new($postURL).start {|http| http.request(request) }
end

# Check message format.
def check_message_format
  missed_revs = `git rev-list #{$oldrev}..#{$newrev} --`.split("\n")
  missed_revs.each do |rev|
    message = `git cat-file commit #{rev} | sed '1,/^$/d'`
	  # Check to make sure we're referencing a case number
	  caseNumber = message.split("\n").last
  	if $regex.match(caseNumber)
  		# POST a new node to Drupal
  		# puts "Last line is a case number"
  		post_form(rev)
      end
  end
end

check_message_format