vagrant/lib/vagrant/util/deep_merge.rb

21 lines
523 B
Ruby

module Vagrant
module Util
module DeepMerge
# This was lifted straight from Rails 4.0.2 as a basic Hash
# deep merge.
def self.deep_merge(myself, other_hash, &block)
myself = myself.dup
other_hash.each_pair do |k,v|
tv = myself[k]
if tv.is_a?(Hash) && v.is_a?(Hash)
myself[k] = deep_merge(tv, v, &block)
else
myself[k] = block && tv ? block.call(k, tv, v) : v
end
end
myself
end
end
end
end