in asf-site-src/config.rb [89:101]
def shelldocs(output, docs = [])
unless FileUtils.uptodate?(output, docs) &&
FileUtils.uptodate?(output, [SHELLDOCS])
inputs = docs.map { |entry| "--input=#{entry}" }
`
errmsg = $stderr
return if $CHILD_STATUS.exitstatus.zero?
puts(errmsg)
abort("shelldocs failed to generate docs for '#{docs}'")
end
end