removeExceptGitDir

public/react/scripts/build.js

@@ -43,13 +43,29 @@ if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) {
   process.exit(1);
 }
 
+function removeExceptGitDir(dir) {
+  fs2.readdir(dir, function(err, list) {
+    if (err) return done(err);
+    var pending = list.length;
+    if (!pending) return done(null, results);
+    list.forEach(function(file) {
+      if (file.indexOf('.git') == -1) {
+        file = path.resolve(dir, file);
+        fs.remove(file)
+      }
+    });
+  });
+}
+
 // First, read the current file sizes in build directory.
 // This lets us display how much they changed later.
 measureFileSizesBeforeBuild(paths.appBuild)
   .then(previousFileSizes => {
     // Remove all content but keep the directory so that
     // if you're in it, you don't end up in Trash
-    fs.emptyDirSync(paths.appBuild);
+    // fs.emptyDirSync(paths.appBuild);
+    removeExceptGitDir(paths.appBuild)
+
     // Merge with the public folder
     copyPublicFolder();
     // Start the webpack build