update .gitignore

node_modules/js-git/mixins/fall-through.js

@@ -0,0 +1,26 @@
+var modes = require('../lib/modes');
+
+module.exports = function (local, remote) {
+  var loadAs = local.loadAs;
+  local.loadAs = newLoadAs;
+  function newLoadAs(type, hash, callback) {
+    if (!callback) return newLoadAs.bind(local. type, hash);
+    loadAs.call(local, type, hash, function (err, body) {
+      if (err) return callback(err);
+      if (body === undefined) return remote.loadAs(type, hash, callback);
+      callback(null, body);
+    });
+  }
+
+  var readRef = local.readRef;
+  local.readRef = newReadRef;
+  function newReadRef(ref, callback) {
+    if (!callback) return newReadRef.bind(local. ref);
+    readRef.call(local, ref, function (err, body) {
+      if (err) return callback(err);
+      if (body === undefined) return remote.readRef(ref, callback);
+      callback(null, body);
+    });
+  }
+
+};