Couldn't install via composer

[tackevent]

It return the following error:

Updating dependencies (including require-dev)

• Installing tomphp/tjo-annotation-router (dev-master ee32369) Cloning ee323691e948d82449287eae5c1ecce80cc90971

  [RuntimeException]
  Failed to clone https://github.com/tomphp/TjoAnnotationRouter.git via git, https protocols, aborting.

• git://github.com/tomphp/TjoAnnotationRouter.git
  error: refs/remotes/origin/master does not point to a valid object!
  error: Trying to write ref refs/heads/master with nonexistant object ee323691e948d82449287eae5c1ecce80cc90971 fatal: Cannot update the ref 'HEAD'.
• https://github.com/tomphp/TjoAnnotationRouter.git
  error: refs/remotes/origin/master does not point to a valid object!
  error: Trying to write ref refs/heads/master with nonexistant object ee323691e948d82449287eae5c1ecce80cc90971 fatal: Cannot update the ref 'HEAD'.

[tomphp]

Does this fail consistently for you? I just ran

composer require tomphp/tjo-annotation-router:dev-master

and it installed perfectly:

./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
  - Installing zendframework/zendframework (2.2.5)
    Loading from cache

  - Installing doctrine/lexer (v1.0)
    Downloading: 100%         

  - Installing doctrine/annotations (v1.1.2)
    Downloading: 100%         

  - Installing doctrine/collections (v1.1)
    Downloading: 100%         

  - Installing doctrine/cache (v1.3.0)
    Downloading: 100%         

  - Installing doctrine/inflector (v1.0)
    Downloading: 100%         

  - Installing doctrine/common (v2.4.1)
    Downloading: 100%         

  - Installing tomphp/tjo-annotation-router (dev-master ee32369)
    Cloning ee323691e948d82449287eae5c1ecce80cc90971

zendframework/zendframework suggests installing ircmaxell/random-lib (Fallback random byte generator for Zend\Math\Rand if OpenSSL/Mcrypt extensions are unavailable)
zendframework/zendframework suggests installing ocramius/proxy-manager (ProxyManager to handle lazy initialization of services)
zendframework/zendframework suggests installing zendframework/zendpdf (ZendPdf for creating PDF representations of barcodes)
zendframework/zendframework suggests installing zendframework/zendservice-recaptcha (ZendService\ReCaptcha for rendering ReCaptchas in Zend\Captcha and/or Zend\Form)
Writing lock file
Generating autoload files