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Check that we have results before returning a value #238

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merged 1 commit into from
Sep 7, 2015
Merged

Check that we have results before returning a value #238

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5 changes: 4 additions & 1 deletion lib/facter/python_version.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,10 @@

def get_python_version(executable)
if Facter::Util::Resolution.which(executable)
Facter::Util::Resolution.exec("#{executable} -V 2>&1").match(/^.*(\d+\.\d+\.\d+)$/)[1]
results = Facter::Util::Resolution.exec("#{executable} -V 2>&1").match(/^.*(\d+\.\d+\.\d+)$/)
if results
results[1]
end
end
end

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