Vendor the external cookbooks

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

cookbooks/poise-ruby/files/halite_gem/poise_ruby/bundler_mixin.rb

@@ -0,0 +1,84 @@
+#
+# Copyright 2015-2017, Noah Kantrowitz
+#
+# 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.
+#
+
+require 'poise_ruby/error'
+
+
+module PoiseRuby
+  # Mixin for creating bundle exec commands.
+  #
+  # @since 2.1.0
+  module BundlerMixin
+    # Transform a command to run under `bundle exec` with the same semantics as
+    # Ruby execution elsewhere in this system. That means you should end up with
+    # something like `/bin/ruby /bin/bundle exec /bin/ruby /bin/cmd args`.
+    #
+    # @param cmd [String, Array<String>] Command to transform.
+    # @param path [String] Optional input path for command resolution.
+    # @return [String, Array<String>]
+    def bundle_exec_command(cmd, path: nil)
+      bundle = new_resource.parent_bundle
+      return cmd unless bundle
+      is_array = cmd.is_a?(Array)
+      cmd = Shellwords.split(cmd) unless is_array
+      root_path = ::File.expand_path('..', bundle.gemfile_path)
+      # Grab this once in case I need it for the extra path.
+      bundler_binary = bundle.bundler_binary
+      # This doesn't account for the potential of a .bundle/config created with
+      # settings that Chef doesn't know about. (╯°□°）╯︵ ┻━┻
+      extra_path = if bundle.binstubs
+        bundle.binstubs == true ? 'bin' : bundle.binstubs
+      elsif bundle.vendor || bundle.deployment
+        # Find the relative path to start searching from.
+        vendor_base_path = if bundle.vendor && bundle.vendor != true
+          bundle.vendor
+        else
+          'vendor/bundle'
+        end
+        # Add the ruby/.
+        vendor_base_path = ::File.join(File.expand_path(vendor_base_path, root_path), 'ruby')
+        # Find the version number folder inside that.
+        candidates = Dir.entries(vendor_base_path)
+        ruby_abi_folder = candidates.find {|name| name =~ /^\d\./ }
+        vendor_sub_path = if ruby_abi_folder
+          ::File.join(ruby_abi_folder, 'bin')
+        elsif candidates.include?('bin')
+          'bin'
+        else
+          raise PoiseRuby::Error.new("Unable to find the vendor bin folder for #{vendor_base_path}: #{candidates.join(', ')}")
+        end
+        # Make the final path.
+        ::File.join(vendor_base_path, vendor_sub_path)
+      else
+        # The folder the bundler binary is in was the global gem executable dir.
+        ::File.dirname(bundler_binary)
+      end
+      # Resolve relative paths against Bundler.root.
+      extra_path = ::File.expand_path(extra_path, root_path)
+      # Create the full $PATH.
+      path ||= ENV['PATH']
+      bundle_exec_path = extra_path + ::File::PATH_SEPARATOR + path
+      # Resolve the command
+      abs_cmd = PoiseLanguages::Utils.absolute_command(cmd, path: bundle_exec_path)
+      bundle_exec = [new_resource.ruby, bundler_binary, 'exec', new_resource.ruby] + abs_cmd
+      if is_array
+        bundle_exec
+      else
+        PoiseLanguages::Utils.shelljoin(bundle_exec)
+      end
+    end
+  end
+end