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Maniphest T6356

Trapped at "Your decision?" in an infinite loop on providing unwanted input
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Description

While changing the trust levels via the gpg command on Linux, it seems to be stuck at the "Your decision? " input forever. For example, have a look at the following command I/O:

rohan@Genesis:~$ gpg --edit-key rohanbari4@gmail.com 
gpg (GnuPG) 2.2.27; Copyright (C) 2021 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Secret key is available.

sec  rsa3072/xxxxxxxxxxxxxxxxxxxxxxxx
     created: 2021-07-10  expires: never       usage: SC  
     trust: ultimate      validity: ultimate
ssb  rsa3072/xxxxxxxxxxxxxxxxxxxxxxxx
     created: 2021-07-10  expires: never       usage: E   
[ultimate] (1). Rohan Bari (Rohan Bari's official GPG key.) <rohanbari4@gmail.com>

gpg> trust
sec  rsa3072/xxxxxxxxxxxxxxxxxxxxxxxx
     created: 2021-07-10  expires: never       usage: SC  
     trust: ultimate      validity: ultimate
ssb  rsa3072/xxxxxxxxxxxxxxxxxxxxxxxx
     created: 2021-07-10  expires: never       usage: E   
[ultimate] (1). Rohan Bari (Rohan Bari's official GPG key.) <rohanbari4@gmail.com>

Please decide how far you trust this user to correctly verify other users' keys
(by looking at passports, checking fingerprints from different sources, etc.)

  1 = I don't know or won't say
  2 = I do NOT trust
  3 = I trust marginally
  4 = I trust fully
  5 = I trust ultimately
  m = back to the main menu

Your decision? 5
Do you really want to set this key to ultimate trust? (y/N) save
Your decision? y
Your decision? n
Your decision? y
Your decision? N
Your decision? Y
Your decision? exit
Your decision? quit
Your decision? bye
Your decision?
[... and it continues forever until Ctrl+C]

I figured out that it happens on the Windows version of GPG also.

Details

Version
2.2.27

Event Timeline

rohanbari created this task.Jan 24 2023, 10:49 AM
• gniibe added a subscriber: • gniibe.Jan 24 2023, 11:34 AM

The interaction goes back to "Your decision?" after you didn't answer "y/N" to the question of "Do you really...?".
What you are asked is: 1, 2, 3, 4, 5 or m.

• werner closed this task as Invalid.Jan 24 2023, 1:52 PM
• werner edited projects, added Support; removed Bug Report.
rohanbari added a comment.EditedJan 24 2023, 3:59 PM
In T6356#167325, @gniibe wrote:

The interaction goes back to "Your decision?" after you didn't answer "y/N" to the question of "Do you really...?".
What you are asked is: 1, 2, 3, 4, 5 or m.

You appear to be correct. It felt like a bug as it didn't explain the reason for repetition (ex. invalid input.)
It kept asking until I entered one of the valid inputs (1..5, or m.)