Puppet Function: deep_merge
- Defined in:
- lib/puppet/parser/functions/deep_merge.rb
- Function type:
- Ruby 3.x API
Overview
Perform a deep merge on two passed Hashes
.
This code is shamelessly stolen from the guts of
ActiveSupport::CoreExtensions::Hash::DeepMerge
and munged
together with the Puppet Labs stdlib
merge()
function.
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# File 'lib/puppet/parser/functions/deep_merge.rb', line 2 newfunction(:deep_merge, :type => :rvalue, :doc => <<-'ENDHEREDOC') do |args| def self.deep_merge(h1,h2) h1.merge(h2) do |key, oldval, newval| oldval = oldval.to_hash if oldval.respond_to?(:to_hash) Perform a deep merge on two passed `Hashes`. This code is shamelessly stolen from the guts of `ActiveSupport::CoreExtensions::Hash::DeepMerge` and munged together with the Puppet Labs `stdlib` `merge()` function. @return [Hash] ENDHEREDOC newval = newval.to_hash if newval.respond_to?(:to_hash) oldval.class.to_s == 'Hash' && newval.class.to_s == 'Hash' ? deep_merge(oldval,newval) : newval end end if args.length < 2 raise Puppet::ParseError, ("merge(): wrong number of arguments (#{args.length}; must be at least 2)") end if not ( args[0].is_a?(Hash) and args[1].is_a?(Hash) ) then raise Puppet::ParseError, ("validate_deep_hash(): Both arguments must be hashes.") end deep_merge(args.first,args.last) end |