Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/homebrew/recipes/default.rb

@@ -0,0 +1,57 @@
+#
+# Author:: Joshua Timberman (<jtimberman@chef.io>)
+# Author:: Graeme Mathieson (<mathie@woss.name>)
+# Cookbook:: homebrew
+# Recipe:: default
+#
+# Copyright:: 2011-2016, Chef Software, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+homebrew_go = "#{Chef::Config[:file_cache_path]}/homebrew_go"
+
+Chef::Log.debug("Homebrew owner is '#{homebrew_owner}'")
+
+remote_file homebrew_go do
+  source node['homebrew']['installer']['url']
+  checksum node['homebrew']['installer']['checksum'] unless node['homebrew']['installer']['checksum'].nil?
+  mode '755'
+  not_if { ::File.exist? '/usr/local/bin/brew' }
+end
+
+execute 'install homebrew' do
+  command homebrew_go
+  environment lazy { { 'HOME' => ::Dir.home(homebrew_owner), 'USER' => homebrew_owner } }
+  user homebrew_owner
+  not_if { ::File.exist? '/usr/local/bin/brew' }
+end
+
+execute 'set analytics' do
+  environment lazy { { 'HOME' => ::Dir.home(homebrew_owner), 'USER' => homebrew_owner } }
+  user homebrew_owner
+  command "/usr/local/bin/brew analytics #{node['homebrew']['enable-analytics'] ? 'on' : 'off'}"
+  only_if { shell_out('/usr/local/bin/brew analytics state', user: homebrew_owner).stdout.include?('enabled') != node['homebrew']['enable-analytics'] }
+end
+
+if node['homebrew']['auto-update']
+  package 'git' do
+    not_if 'which git'
+  end
+
+  execute 'update homebrew from github' do
+    environment lazy { { 'HOME' => ::Dir.home(homebrew_owner), 'USER' => homebrew_owner } }
+    user homebrew_owner
+    command '/usr/local/bin/brew update || true'
+  end
+end