[Bug 1015656] [NEW] detect attempts to read from embedded terminal widget and auto-expand it

[Colin Watson]

Public bug reported:

Deep in https://bugs.launchpad.net/ubuntu/+source/update-
manager/+bug/979661, we uncovered a problem with the terminal widget not
being expanded when a debconf prompt is presented.  Michael hacked
around this by expanding it after five minutes of inactivity.  However,
really, update-manager ought to be able to detect attempts by child
processes to read from its embedded terminal widget, assume that that
indicates a need to receive input, and expand the widget immediately.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1015656

Title:
  detect attempts to read from embedded terminal widget and auto-expand
  it

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  Deep in https://bugs.launchpad.net/ubuntu/+source/update-
  manager/+bug/979661, we uncovered a problem with the terminal widget
  not being expanded when a debconf prompt is presented.  Michael hacked
  around this by expanding it after five minutes of inactivity.
  However, really, update-manager ought to be able to detect attempts by
  child processes to read from its embedded terminal widget, assume that
  that indicates a need to receive input, and expand the widget
  immediately.

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