In use brew when，Often you will encounter all kinds of weird errors，Such as updating time often encountered：
and this：
Experiencing these problems，Eighty per cent of your brew directory permissions error。
Use the following command to repair[……]
update
Brew is similar to apt-get and yum package manager is a OS X,，It relies on Github ..................
so，While you are lucky enough to be downloaded to the brew，But you certainly can not update the brew。Cause you know。However, although it can not update brew，But this only refers to brew the manager itself Bale，Or software that can be installed。However, due to not use[cra[……]