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fix NoMethodError: undefined method `zero?' for nil:NilClass #46

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fix NoMethodError: undefined method `zero?' for nil:NilClass #46

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4 changes: 3 additions & 1 deletion lib/yui/compressor.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,9 @@ def compress(stream_or_string)
tempfile.close!
end

if $?.exitstatus.zero?
if $?.exitstatus.nil?
raise RuntimeError, "Command didn't execute: #{full_command}"
elsif $?.exitstatus.zero?
output
else
# Bourne shells tend to blow up here when the command fails, usually
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