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');
+```