Super-Simple-Raspberry-Pi-Audio-Receiver-Install
                                
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                        fix for volumio2 sub-shell sudo permission problems; smaller fixes
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add $user to sudoers before calling bt_pa_config.sh This ensures that $user can run sudo commands without typing any password. The error message, that previously was "swallowed" by excwas: "sudo: no tty present and no askpass program specified".
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change quotation of ""arm"" to '"arm"' to prevent confusing syntax highlightings 
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add function to restore single saved files This was needed to restore the sudoers file to its previous state after temporarily adding $user to sudoers. 
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fixed wrong variable name BT_NAME to BluetoothName in bt_pa_config.sh 
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added some config, to-be-compiled source and temporary files to .gitignore to keep commits clean 
Have any tests been run on this? @wullxz
Sorry, missed your answer here somehow. No, I haven't run any tests apart from testing it in my environment with the latest volumio version. What tests would you like to be run?