/usr/lib/ruby/vendor_ruby/active_support/core_ext/hash/deep_merge.rb is in ruby-activesupport-3.2 3.2.16-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | class Hash
# Returns a new hash with +self+ and +other_hash+ merged recursively.
#
# h1 = {:x => {:y => [4,5,6]}, :z => [7,8,9]}
# h2 = {:x => {:y => [7,8,9]}, :z => "xyz"}
#
# h1.deep_merge(h2) #=> { :x => {:y => [7, 8, 9]}, :z => "xyz" }
# h2.deep_merge(h1) #=> { :x => {:y => [4, 5, 6]}, :z => [7, 8, 9] }
def deep_merge(other_hash)
dup.deep_merge!(other_hash)
end
# Same as +deep_merge+, but modifies +self+.
def deep_merge!(other_hash)
other_hash.each_pair do |k,v|
tv = self[k]
self[k] = tv.is_a?(Hash) && v.is_a?(Hash) ? tv.deep_merge(v) : v
end
self
end
end
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