Surprised to see no one in the comments has mentioned the reflog [0]. It's really very easy. [0]: http://jscal.es/2013/08/05/seriously-the-reflog-isnt-that-sca

Surprised to see no one in the comments has mentioned the reflog [0]. It's really very easy. [0]: http://jscal.es/2013/08/05/seriously-the-reflog-isnt-that-scary/ http://jscal.es/2013/08/05/seriously-the-reflog-isnt-that-sc...