[Bug 1882401] Re: ctrl+space freezes irssi on focal

[Timo Aaltonen]

Hello Daniel, or anyone else affected,

Accepted irssi into focal-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/irssi/1.2.2-1ubuntu1.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: irssi (Ubuntu Focal)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1882401

Title:
  ctrl+space freezes irssi on focal

Status in irssi package in Ubuntu:
  Fix Released
Status in irssi source package in Focal:
  Fix Committed

Bug description:
  [SRU Justification]
  pressing Ctrl+Space in an irssi window (whether intentionally or by accident) causes the application to freeze and it is not possible to un-freeze it.

  [Test case]
  1. Run irssi
  2. Type
  3. Press Ctrl+Space
  4. Try to type some more, observe that it doesn't work
  5. Kill irssi
  6. Upgrade to the package from -proposed
  7. Run irssi
  8. Type
  9. Press Ctrl+Space
  10. Type some more, observe that the characters appear.

  [Regression potential]
  This is a targeted patch that specifically detects the case that NUL is received in input as returned by new glib.  I don't see any way that this could cause regressions.

  [Original description]

  see https://github.com/irssi/irssi/issues/1180

  there is a patch available for this that needs to be applied to irssi
  for focal

  from GitHub issue:

  "A change in GLib 2.63 broke some assumptions in Irssi that the null-
  byte NUL / U+0000 is a valid Unicode character. This would occur when
  the user types Ctrl+Space. As a result, the input loop never manages
  to process the NUL-byte (and any other user input that follows, ever).

  This affects all versions of Irssi as soon as your system is updated
  to this GLib version."

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