MacBook-Pro:~ skbc$ pod setup --verbose /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/universal-darwin13/rbconfig.rb:212: warning: Insecu
It is not stuck. I thought the same until I went to the "Activity Monitor" of the system and checked the "Network" tab.
Then you will see that something is being downloaded. A process called git-remote-http is in charge of this.
git-remote-http
Just wait! It happened the same for me :)
Good luck!