Brew install is hanging

[corysimmons]

Bug reports:

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
==> This script will install:
/usr/local/bin/brew
/usr/local/share/doc/homebrew
/usr/local/share/man/man1/brew.1
/usr/local/share/zsh/site-functions/_brew
/usr/local/etc/bash_completion.d/brew
/usr/local/Homebrew
==> The following existing directories will be made group writable:
/usr/local/lib
==> The following existing directories will have their owner set to webad:
/usr/local/lib
==> The following existing directories will have their group set to admin:
/usr/local/lib
==> The following new directories will be created:
/usr/local/Cellar
/usr/local/Homebrew
/usr/local/Frameworks
/usr/local/etc
/usr/local/opt
/usr/local/sbin
/usr/local/share/zsh
/usr/local/share/zsh/site-functions
/usr/local/var

Press RETURN to continue or any other key to abort
# hangs for 15+ minutes....

Propose a feature:

Fix this, or add some progress indicator to let me know it's actually doing something.

Fresh Mac Sierra install. XCode 8.1 CLI tools installed.

[bfontaine]

This issue was moved to Homebrew/install#82