old_contents: var spawn = require('child_process').exec;
  var path = require('path');
  var em = require('git-emit');
  var conf = require('../conf.json');
  
  var helper = {};
  
  helper.clone_to_dir = function(push, callback) {
  	var pathToRepo = path.normalize(push.cwd);
  	var name = path.basename(push.cwd, '.git');
  	var command = "git clone file://"+push.cwd+" --depth=1 --branch "+push.branch+" "+name+"/"+push.commit+"/";
  	var op = spawn(command, {
  		cwd: path.normalize(conf.dir+"/")
  	},
  	function (error, stdout, stderr) {
  		if (error) {
  			console.log('exec error: ' + error);
  		} else {
  			callback(name, push);
  		}
  	});
  }
  
  helper.fetch = function(repo, method, push) {
  	console.log('Successful fetch/pull/clone on repo:',repo.name);
  }
  
  helper.push = function(repo, method, push) {
  	console.log('PUSHed:', repo, method);
  	em(push.cwd).on('post-update', function(update) {
  		var timeStart = new Date().getTime();
  		update.name = push.name;
  		update.commit = push.commit;
  		update.branch = push.branch;
  		update.cwd = push.cwd;
  		helper.clone_to_dir(update, function(file, push) {
  			console.log('clone ' + file + '(' + push.branch + ')', "time:", (new Date().getTime()-timeStart));
  		});
  	});
  }
  
  
  module.exports = helper;
new_contents: var spawn = require('child_process').exec;
  var path = require('path');
  var em = require('git-emit');
  var db = require('./db');
  var conf = require('../conf.json');
  
  var helper = {};
  
  helper.clone_to_dir = function(push, callback) {
  	var pathToRepo = path.normalize(push.cwd);
  	var name = path.basename(push.cwd, '.git');
  	var command = "git clone file://"+push.cwd+" --depth=1 --branch "+push.branch+" "+name+"/"+push.commit+"/";
  	var op = spawn(command, {
  		cwd: path.normalize(conf.dir+"/")
  	},
  	function (error, stdout, stderr) {
  		if (error) {
  			console.log('exec error: ' + error);
  		} else {
  			callback(name, push);
  		}
  	});
  }
  
  helper.fetch = function(repo, method, push) {
  	console.log('Successful fetch/pull/clone on repo:',repo.name);
  }
  
  helper.push = function(repo, method, push) {
  	console.log('PUSHed:', repo, method);
  	em(push.cwd).on('post-update', function(update) {
  		var timeStart = new Date().getTime();
  		update.name = push.name;
  		update.commit = push.commit;
  		update.branch = push.branch;
  		update.cwd = push.cwd;
  		helper.clone_to_dir(update, function(file, push) {
  			console.log('clone ' + file + '(' + push.branch + ')', "time:", (new Date().getTime()-timeStart));
  		});
  	});
  }
  
  
  module.exports = helper;
subject: add db lib to helper.