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# File 'lib/gcp/api/discovery/watcher/diff_hash.rb', line 16
def diff_hash(a, b, port=$stdout, current_keys=[])
a = a.to_hash
b = b.to_hash
a_keys = a.keys.sort
b_keys = b.keys.sort
(a_keys - b_keys).each do |k|
port << "\n--- '#{(current_keys+[k]).join(".")}':"
port << a[k].pretty_inspect
end
(b_keys - a_keys).each do |k|
port << "\n+++ '#{(current_keys+[k]).join(".")}':"
port << b[k].pretty_inspect
end
(a_keys & b_keys).each do |k|
unless a[k] == b[k]
if a[k].is_a?(Hash) and b[k].is_a?(Hash)
diff_hash(a[k], b[k], port, current_keys + [k])
else
port << "\n'#{(current_keys+[k]).join(".")}' is changed:\n"
if a[k].is_a?(String) and b[k].is_a?(String)
port << Diffy::Diff.new(a[k], b[k]).to_s
else
port << "--- #{a[k].to_json}\n"
port << "+++ #{b[k].to_json}\n"
end
end
end
end
end
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