[Bug 1258646] [NEW] tzdata upgrade dies, killing apt w/o fixing the tty, when /etc/localtime is protected

[James Cloos]

Public bug reported:

When /etc/localtime is protected from manipulation, such as with the
immutable flag — something which is often required when leasing
virtuals, to keep the vendors’ frameworks from screwing with the
filesystem — an update to tzdata will crap out, killing dpkg and apt,
which leaves the tty a mess.

Instead, should it be impossible to overwrite the existing
/etc/localtime, the script should continue without error.

** Affects: tzdata (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1258646

Title:
  tzdata upgrade dies, killing apt w/o fixing the tty, when
  /etc/localtime is protected

Status in “tzdata” package in Ubuntu:
  New

Bug description:
  When /etc/localtime is protected from manipulation, such as with the
  immutable flag — something which is often required when leasing
  virtuals, to keep the vendors’ frameworks from screwing with the
  filesystem — an update to tzdata will crap out, killing dpkg and apt,
  which leaves the tty a mess.

  Instead, should it be impossible to overwrite the existing
  /etc/localtime, the script should continue without error.

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