Git Bash Inside PhpStorm http://bobsguides.com/blog.html/2014/10/23/git-bash-inside-phpstorm/
File -> Settings -> Tasks -> Terminal
C:\Program Files (x86)\Git\bin\sh.exe -login -i
The -login tells Bash to run it's configuration files (more on that in the next article), and the -i tells Bash that you want interactive mode. You can add -v if you like verbose output from Bash.