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-rw-r--r--lib/chef/resource.rb14
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/chef/resource.rb b/lib/chef/resource.rb
index bbbe714f3d..d18d6ab158 100644
--- a/lib/chef/resource.rb
+++ b/lib/chef/resource.rb
@@ -1461,6 +1461,20 @@ class Chef
@default_description
end
+ # Use a partial code fragment. This can be used for code sharing between multiple resources.
+ #
+ # Do not wrap the code fragment in a class or module. It also does not support the use of super
+ # to subclass any methods defined in the fragment, the methods will just be overwritten.
+ #
+ # @param partial [String] the code fragment to eval against the class
+ #
+ def self.use(partial)
+ dirname = ::File.dirname(partial)
+ basename = ::File.basename(partial, ".rb")
+ basename = basename[1..-1] if basename[0] == "_"
+ class_eval IO.read(::File.expand_path("#{dirname}/_#{basename}.rb", ::File.dirname(caller_locations.first.absolute_path)))
+ end
+
# The cookbook in which this Resource was defined (if any).
#
# @return Chef::CookbookVersion The cookbook in which this Resource was defined.