Add suggestion for "expected_disconnect" option if disconnection occurs
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@ -283,7 +283,8 @@ func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
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// we were expecting it.
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if cmd.ExitStatus == packer.CmdDisconnect {
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if !p.config.ExpectDisconnect {
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return fmt.Errorf("Script disconnected unexpectedly.")
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return fmt.Errorf("Script disconnected unexpectedly. " +
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"Try adding \"expect_disconnect\": true in the shell provisioner parameters.")
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}
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} else if cmd.ExitStatus != 0 {
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return fmt.Errorf("Script exited with non-zero exit status: %d", cmd.ExitStatus)
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