$ brew search cloudposse/packages
==> Formulae
cloudposse/packages/atmos
$ brew install cloudposse/packages/atmos
==> Cloning https://github.com/cloudposse/packages.git
Cloning into '/Users/user/Library/Caches/Homebrew/atmos--git'...
==> Checking out branch master
Already on 'master'
Your branch is up to date with 'origin/master'.
==> Installing atmos from cloudposse/packages
==> make install
🍺  /usr/local/Cellar/atmos/1.3.9: 5 files, 7.6MB, built in 7 seconds
$ which atmos
/usr/local/bin/atmos
$ ls -la /usr/local/bin/atmos
lrwxr-xr-x 1 user admin 31 Nov 17 12:21 /usr/local/bin/atmos -> ../Cellar/atmos/1.3.9/bin/atmos*
$ atmos version
1.3.9

$ ✗ cat generate.sh
PACKAGE=${1:-atmos}
PACKAGE_FORMATTED=$(echo $PACKAGE | sed -e 's/-/ /g' -e 's/\b\(.\)/\u\1/g' -e 's/ //g')
VERSION=$(cat vendor/$PACKAGE/VERSION)
DESCRIPTION=$(cat vendor/$PACKAGE/DESCRIPTION)

cat << EOT
class $PACKAGE_FORMATTED < Formula
  desc "$DESCRIPTION"
  url "https://github.com/cloudposse/packages.git"
  version "$VERSION"

  def install
    ENV["INSTALL_PATH"] = "cloudposse"
    chdir "vendor/$PACKAGE" do
      system "make", "install"
      bin.install "cloudposse/$PACKAGE"
    end
  end
end
EOT

$ ls vendor/ | grep '/' | cut -d'/' -f1 | while read package; do ./generate.sh $package > HomebrewFormula/$package.rb; done