1 files changed, 21 insertions, 3 deletions

diff --git a/node_modules/write-file-atomic/index.js b/node_modules/write-file-atomic/index.js
index 7939828e5..438c8e473 100644
--- a/node_modules/write-file-atomic/index.js
+++ b/node_modules/write-file-atomic/index.js
@@ -51,15 +51,30 @@ function _writeFile (filename, data, options, callback) {
 
   function thenWriteFile () {
     chain([
-      [fs, fs.writeFile, tmpfile, data, options.encoding || 'utf8'],
-      options.mode && [fs, fs.chmod, tmpfile, options.mode],
+      [writeFileAsync, tmpfile, data, options.mode, options.encoding || 'utf8'],
       options.chown && [fs, fs.chown, tmpfile, options.chown.uid, options.chown.gid],
+      options.mode && [fs, fs.chmod, tmpfile, options.mode],
       [fs, fs.rename, tmpfile, filename]
     ], function (err) {
       err ? fs.unlink(tmpfile, function () { callback(err) })
         : callback()
     })
   }
+
+  // doing this instead of `fs.writeFile` in order to get the ability to
+  // call `fsync`.
+  function writeFileAsync (file, data, mode, encoding, cb) {
+    fs.open(file, 'w', options.mode, function (err, fd) {
+      if (err) return cb(err)
+      fs.write(fd, data, encoding, function (err) {
+        if (err) return cb(err)
+        fs.fsync(fd, function (err) {
+          if (err) return cb(err)
+          fs.close(fd, cb)
+        })
+      })
+    })
+  }
 }
 
 function writeFileSync (filename, data, options) {
@@ -89,7 +104,10 @@ function writeFileSync (filename, data, options) {
       }
     }
 
-    fs.writeFileSync(tmpfile, data, options.encoding || 'utf8')
+    var fd = fs.openSync(tmpfile, 'w', options.mode)
+    fs.writeSync(fd, data, 0, options.encoding || 'utf8')
+    fs.fsyncSync(fd)
+    fs.closeSync(fd)
     if (options.chown) fs.chownSync(tmpfile, options.chown.uid, options.chown.gid)
     if (options.mode) fs.chmodSync(tmpfile, options.mode)
     fs.renameSync(tmpfile, filename)