title: Bower - error when installing package "Arguments to path.join must be strings"
body: <p>I just created a node project and am trying to install jquery using bower.</p>
  
  <pre><code>bower install jquery
  </code></pre>
  
  <p>I get the following error:</p>
  
  <pre><code>bower jquery#*              not-cached git://github.com/jquery/jquery.git#*
  bower jquery#*                 resolve git://github.com/jquery/jquery.git#*
  bower jquery#*                   error Arguments to path.join must be strings
  
  Stack trace:
  TypeError: Arguments to path.join must be strings
      at f (path.js:204:15)
      at Object.filter (native)
      at Object.exports.join (path.js:209:40)
      at GitHubResolver._checkout (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\lib\core\resolvers\GitHubResolver.js:54:21)
      at C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\lib\core\resolvers\GitResolver.js:69:21
      at _fulfilled (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\p-throttler\node_modules\q\q.js:798:54)
      at self.promiseDispatch.done (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\p-throttler\node_modules\q\q.js:827:30)
      at Promise.promise.promiseDispatch (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\p-throttler\node_modules\q\q.js:760:13)
      at C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\p-throttler\node_modules\q\q.js:574:44
      at flush (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\p-throttler\node_modules\q\q.js:108:17)
  
  Console trace:
  Trace
      at StandardRenderer.error (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\lib\renderers\StandardRenderer.js:72:17)
      at Logger.&lt;anonymous&gt; (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\bin\bower:111:22)
      at Logger.emit (events.js:95:17)
      at Logger.emit (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\bower-logger\lib\Logger.js:29:39)
      at C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\lib\commands\index.js:40:20
      at _rejected (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\q\q.js:797:24)
      at C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\q\q.js:823:30
      at Promise.when (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\q\q.js:1035:31)
      at Promise.promise.promiseDispatch (C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\q\q.js:741:41)
      at C:\Users\Adam\AppData\Roaming\npm\node_modules\bower\node_modules\q\q.js:557:44
  
  System info:
  Bower version: 1.3.7
  Node version: 0.10.29
  OS: Windows_NT 6.2.9200 x64
  </code></pre>
  
  <p>I've tried installing other packages and they fail with the same error. I've got a pretty vanilla setup as far as I know. Running Windows 8.1 x64. Can't seem to find relevant info about why I'm getting this error.</p>