Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/stemcell/utility/deep_merge.rb

Instance Method Summary collapse

Instance Method Details

#deep_merge!(other_hash) ⇒ Object 



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# File 'lib/stemcell/utility/deep_merge.rb', line 2

def deep_merge!(other_hash)
  merge!(other_hash) do |key, oldval, newval|
    # Coerce Chef-style attribute hashes to generic ones
    oldval = oldval.to_hash if oldval.respond_to?(:to_hash)
    newval = newval.to_hash if newval.respond_to?(:to_hash)

    oldval.class.to_s == 'Hash' &&
      newval.class.to_s == 'Hash' ?
        oldval.deep_merge!(newval) : newval
  end
end