rbenv-default-gems: 1.0.0 (new formula)

Closes Homebrew/homebrew#17545.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/rbenv-default-gems.rb

@@ -0,0 +1,17 @@
+require 'formula'
+
+class RbenvDefaultGems < Formula
+  homepage 'https://github.com/sstephenson/rbenv-default-gems'
+  url 'https://github.com/sstephenson/rbenv-default-gems/tarball/v1.0.0'
+  sha1 '31789539ad0e69c2b9e2ec0da1d9acb8fba8b2bc'
+
+  head 'https://github.com/sstephenson/rbenv-default-gems.git'
+
+  depends_on 'rbenv'
+  depends_on 'ruby-build'
+
+  def install
+    prefix.install Dir['*']
+    ln_sf opt_prefix, "#{HOMEBREW_PREFIX}/var/lib/rbenv/plugins/#{name}"
+  end
+end