增加了git功能，但是还未完善

node_modules/clean-git-ref/README.md

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+# clean-git-ref
+
+[![Build Status](https://travis-ci.org/TheSavior/clean-git-ref.svg)](https://travis-ci.org/TheSavior/clean-git-ref)
+
+Clean an input string into a usable git ref. 
+
+For more reference, read https://git-scm.com/docs/git-check-ref-format
+
+## Installation
+
+```sh
+$ npm install clean-git-ref --save-dev
+```
+
+## API Usage
+
+### clean(string input) -> string output
+```
+var cleanGitRef = require('clean-git-ref');
+
+assert.strictEqual(cleanGitRef.clean('bad git ref formats/'), 'bad-git-ref-formats');
+```

node_modules/clean-git-ref/lib/index.js

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+'use strict';
+
+function escapeRegExp(string) {
+  return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
+}
+
+function replaceAll(str, search, replacement) {
+  search = search instanceof RegExp ? search : new RegExp(escapeRegExp(search), 'g');
+
+  return str.replace(search, replacement);
+}
+
+var CleanGitRef = {
+  clean: function clean(value) {
+    if (typeof value !== 'string') {
+      throw new Error('Expected a string, received: ' + value);
+    }
+
+    value = replaceAll(value, './', '/');
+    value = replaceAll(value, '..', '.');
+    value = replaceAll(value, ' ', '-');
+    value = replaceAll(value, /^[~^:?*\\\-]/g, '');
+    value = replaceAll(value, /[~^:?*\\]/g, '-');
+    value = replaceAll(value, /[~^:?*\\\-]$/g, '');
+    value = replaceAll(value, '@{', '-');
+    value = replaceAll(value, /\.$/g, '');
+    value = replaceAll(value, /\/$/g, '');
+    value = replaceAll(value, /\.lock$/g, '');
+    return value;
+  }
+};
+
+module.exports = CleanGitRef;

node_modules/clean-git-ref/package.json

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+{
+  "name": "clean-git-ref",
+  "description": "Clean an input string into a usable git ref",
+  "version": "2.0.1",
+  "license": "Apache-2.0",
+  "author": "Eli White <github@eli-white.com>",
+  "files": [
+    "lib"
+  ],
+  "main": "lib/index.js",
+  "scripts": {
+    "build": "babel src -d lib",
+    "style": "eslint src test && jscs src test",
+    "pretest": "npm run style",
+    "test": "mocha",
+    "posttest": "npm run build"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.6.5",
+    "babel-eslint": "^6.0.2",
+    "babel-preset-es2015": "^6.6.0",
+    "babel-register": "^6.7.2",
+    "chai": "^3.5.0",
+    "eslint": "^3.0.0",
+    "jscs": "^3.0.6",
+    "mocha": "^3.0.1",
+    "wealthfront-javascript": "^3.0.1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/TheSavior/clean-git-ref.git"
+  }
+}