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build_environment: tweak frozen string handling.
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@ -56,11 +56,12 @@ module Homebrew
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keys.each do |key|
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keys.each do |key|
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value = env[key]
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value = env[key]
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s = "#{key}: #{value}"
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s = +"#{key}: #{value}"
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case key
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case key
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when "CC", "CXX", "LD"
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when "CC", "CXX", "LD"
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s += " => #{Pathname.new(value).realpath}" if File.symlink?(value)
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s << " => #{Pathname.new(value).realpath}" if File.symlink?(value)
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end
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end
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s.freeze
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f.puts s
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f.puts s
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end
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end
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end
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end
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