[OC-3564] move core Chef to the repo root \o/ \m/

The opscode/chef repository now only contains the core Chef library code
used by chef-client, knife and chef-solo!

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/chef/cookbook/chefignore.rb b/lib/chef/cookbook/chefignore.rb
new file mode 100644
index 0000000000..e9d54639e4
--- /dev/null
+++ b/lib/chef/cookbook/chefignore.rb
@@ -0,0 +1,66 @@
+#--
+# Author:: Daniel DeLeo (<dan@opscode.com>)
+# Copyright:: Copyright (c) 2011 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# 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.
+#
+
+class Chef
+  class Cookbook
+    class Chefignore
+
+      COMMENTS_AND_WHITESPACE = /^\w*(?:#.*)?$/
+
+      attr_reader :ignores
+
+      def initialize(ignore_file_or_repo)
+        @ignore_file = find_ignore_file(ignore_file_or_repo)
+        @ignores = parse_ignore_file
+      end
+
+      def remove_ignores_from(file_list)
+        Array(file_list).inject([]) do |unignored, file|
+          ignored?(file) ? unignored : unignored << file
+        end
+      end
+
+      def ignored?(file_name)
+        @ignores.any? {|glob| File.fnmatch?(glob, file_name)}
+      end
+
+      private
+
+      def parse_ignore_file
+        ignore_globs = []
+        if File.exist?(@ignore_file) && File.readable?(@ignore_file)
+          File.foreach(@ignore_file) do |line|
+            ignore_globs << line.strip unless line =~ COMMENTS_AND_WHITESPACE
+          end
+        else
+          Chef::Log.debug("No chefignore file found at #@ignore_file no files will be ignored")
+        end
+        ignore_globs
+      end
+
+      def find_ignore_file(path)
+        if File.basename(path) =~ /chefignore/
+          path
+        else
+          File.join(path, 'chefignore')
+        end
+      end
+    end
+  end
+end
+