post-receive.sh

#!/usr/bin/env node                                                                            
var path = require('path')                                                                     
var exec = require('child_process').execSync                                                   
                                                                                               
function receive(then) {                                                                       
  process.stdin.on('data', function (data) {                                                   
    then(null, parse(data))                                                                    
  })                                                                                           
}                                                                                              
                                                                                               
function parse(data) {                                                                         
  var raw = String(data).trim().split(' ')                                                     
  var args = {                                                                                 
    fromCommit: raw[0],                                                                        
    toCommit: raw[1],                                                                          
    branch: path.basename(raw[2])                                                              
  }                                                                                            
  return args                                                                                  
}                                                                                              
                                                                                               
receive(function (err, args) {                                                                 
                                                                                               
  if (err) { console.log(err); process.exit(1) }                                               
                                                                                               
  if (args.branch !== 'master') {                                                              
    console.log('%s is not master, skipping deploy', args.branch)                              
    process.exit()                                                                             
  }                                                                                            
                                                                                               
  var dest = path.resolve('/var/www/', path.basename(path.dirname(__dirname)), 'public')       
                                                                                               
                                                                                               
  exec('mkdir -p ' + dest)                                                                     
  exec('git checkout -f master', {                                                             
    env: {GIT_WORK_TREE: dest}                                                                 
  })                                                                                           
  exec('git clean -f', {                                                                       
    env: {GIT_WORK_TREE: dest}                                                                 
  })                                                                                           
  console.log('deployed %s (%s) to %s', args.toCommit, args.branch, dest)                      
                                                                                               
})                                                                                             
                                                                                               
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