berkshelf.rb in berkshelf-0.4.0.rc1

- old
+ new

@@ -1,21 +1,23 @@
 require 'pathname'
-require 'dep_selector'
 require 'zlib'
 require 'archive/tar/minitar'
+require 'solve'
 require 'chef/knife'
 require 'chef/rest'
 require 'chef/platform'
 require 'chef/cookbook/metadata'
+require 'chef/cookbook_version'
 
 require 'berkshelf/version'
 require 'berkshelf/core_ext'
 require 'berkshelf/errors'
 
 Chef::Config[:cache_options][:path] = Dir.mktmpdir
 
 module Berkshelf
+  DEFAULT_CONFIG = File.expand_path(ENV["CHEF_CONFIG"] || "~/.chef/knife.rb")
   DEFAULT_STORE_PATH = File.expand_path("~/.berkshelf").freeze
   DEFAULT_FILENAME = 'Berksfile'.freeze
 
   autoload :Cli, 'berkshelf/cli'
   autoload :DSL, 'berkshelf/dsl'
@@ -35,10 +37,12 @@
   class << self
     attr_accessor :ui
     attr_accessor :cookbook_store
     attr_accessor :downloader
 
+    attr_writer :config_path
+
     def root
       @root ||= Pathname.new(File.expand_path('../', File.dirname(__FILE__)))
     end
 
     def ui
@@ -58,9 +62,23 @@
       @cookbook_store ||= CookbookStore.new(berkshelf_path)
     end
 
     def downloader
       @downloader ||= Downloader.new(cookbook_store)
+    end
+
+    def config_path
+      @config_path ||= DEFAULT_CONFIG
+    end
+
+    # Load the config found at the given path as the Chef::Config. If no path is specified
+    # the value of Berkshelf.chef_config will be used.
+    #
+    # @param [String] path
+    def load_config(path = config_path)
+      Chef::Config.from_file(File.expand_path(path))
+    rescue Errno::ENOENT
+      raise KnifeConfigNotFound, "Attempted to load configuration from: '#{path}' but not found."
     end
 
     # Ascend the directory structure from the given path to find a
     # metadata.rb file of a Chef Cookbook. If no metadata.rb file
     # was found, nil is returned.