# File lib/librarian/posix.rb, line 59 def run!(command, options = { }) out, err = nil, nil chdir = options[:chdir].to_s if options[:chdir] env = options[:env] || { } old_env = Hash[env.keys.map{|k| [k, ENV[k]]}] out, err, wait = nil, nil, nil begin ENV.update env Dir.chdir(chdir || Dir.pwd) do IO.popen3(*command) do |i, o, e, w| rescuing(Errno::EBADF){ i.close } # jruby/1.9 can raise EBADF out, err, wait = o.read, e.read, w end end ensure ENV.update old_env end s = wait ? wait.value : $? # wait is 1.9+-only s.success? or CommandFailure.raise! command, s, err out end