post-receive

#!/usr/bin/env python

import os
import sys
import re
import smtplib

from email.mime.text import MIMEText
from subprocess import Popen
from subprocess import PIPE

'''
send the mail to the admin after someone has pushed to the remote server
'''

receiver = 'you@host' #your email address
sender = 'someone@somehost' #need to be a valid one


	
def sendMail(user, ref, content):
	msg = MIMEText('%(name)s just pushed to %(ref)s \n\nList of files been modified:\n %(content)s' % {'name':user, 'ref':ref, 'content':content})
	msg['Subject'] = '[PUSH ALERT] %(name)s just pushed to %(ref)s' % {'name':user, 'ref':ref}
	msg['From'] = sender
	msg['To'] = receiver
	
	server = smtplib.SMTP('localhost')
	server.sendmail(sender, [receiver], msg.as_string())
	server.quit()

def getDiff(oldRev, newRev):
	diff = Popen("git diff --stat " + oldRev + ".." + newRev, stdout=PIPE, shell=True).communicate()[0]
	return diff

user = os.getenv("GIT_USER")

line = sys.stdin.readline() #read push information with stdin
result = re.compile(r'^(.+?)\s(.+?)\s(.+)\n$').search(line)
if result is None : #unable to resolve the parameters
	print 'Critical error'
	sys.exit(1)
else :
	oldRev = result.group(1).strip()
	newRev = result.group(2).strip()
	ref = result.group(3).strip()

msg = getDiff(oldRev, newRev)

sendMail(user, ref, msg)