Write files atomically

Fixes #127.

lib/util.js

@@ -6,6 +6,7 @@ var _ = require('lodash');
 var date = require('easydate');
 var each = require('each-async');
 var fileUrl = require('file-url');
+var fsWriteStreamAtomic = require('fs-write-stream-atomic');
 var getRes = require('get-res');
 var logSymbols = require('log-symbols');
 var memoize = require('memoize-async');
@@ -99,7 +100,7 @@ exports.save = function (streams, cb) {
  }
 
  var dest = path.join(this.dest(), stream.filename);
- var pipe = stream.pipe(fs.createWriteStream(dest));
+ var pipe = stream.pipe(fsWriteStreamAtomic(dest));
 
  stream.on('warn', this.emit.bind(this, 'warn'));
  stream.on('error', next);

package.json

@@ -46,6 +46,7 @@
  "easydate": "^1.0.1",
  "es5-shim": "^4.0.3",
  "file-url": "^1.0.0",
+ "fs-write-stream-atomic": "^1.0.2",
  "get-res": "^0.2.1",
  "get-stdin": "^3.0.0",
  "lodash": "^2.4.1",