Vendor the external cookbooks

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

cookbooks/git/recipes/source.rb

@@ -0,0 +1,28 @@
+#
+# Cookbook:: git
+# Recipe:: source
+#
+# Copyright:: 2012-2016, Brian Flad, Fletcher Nichol
+#
+# 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.
+
+# drive version from node attributes
+git_client 'default' do
+  provider Chef::Provider::GitClient::Source
+  source_checksum node['git']['checksum']
+  source_prefix node['git']['prefix']
+  source_url format(node['git']['url'], version: node['git']['version'])
+  source_use_pcre node['git']['use_pcre']
+  source_version node['git']['version']
+  action :install
+end