old_contents: var spawn = require('win-spawn')
  
  var ps = spawn('cmake-js', [
    'rebuild',
    '-r', process.env.npm_config_runtime || 'node',
    '-v', process.env.npm_config_target || process.versions.node,
    '--abi', process.env.npm_config_abi || process.versions.modules
  ])
  ps.stdout.pipe(process.stdout)
  ps.stderr.pipe(process.stderr)
  ps.on('exit', function (code) {
    process.exit(code)
  })
  
new_contents: var spawn = require('win-spawn')
  
  var runtime = process.env.npm_config_runtime || 'node'
  var target = process.env.npm_config_target || process.versions.node
  var abi = process.env.npm_config_abi || process.versions.modules
  
  console.log('BUILD for %s@%s (abi=%s)', runtime, target, abi)
  
  var ps = spawn('cmake-js', [
    'rebuild',
    '-r', runtime,
    '-v', target,
    '--abi', abi
  ])
  ps.stdout.pipe(process.stdout)
  ps.stderr.pipe(process.stderr)
  ps.on('exit', function (code) {
    process.exit(code)
  })
  
subject: add debug output to build script