Bug#1040251: debian-installer: Add UTC timezone selection for all locales

[Brent Kolasinski <b@brentk.io>]

Package: debian-installer
Version: 20230607
Severity: wishlist
Tags: d-i
X-Debbugs-Cc: b@brentk.io

Dear Maintainer,

   * What led up to the situation?
     When using the text based debian installer, I would like to be able to 
     choose the UTC timezone (etc/UTC) as an option for my timezone. When
     the timezones are displayed for selection, a set of timezones are
     displayed based on the user's locale selection. Users should have the
     option of selecting UTC in addition to the options present in their
     locale.
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
     When choosing en_us for my locale during installation, I am only presented
     with US specific time zones. If only presenting timezone associated with
     the users locale, UTC should also be present, as folks use UTC in many 
     server deployments, regardless of their actual locale setting.
   * What was the outcome of this action?
     No UTC option is available in the installer.
   * What outcome did you expect instead?
     To have the UTC timezone available in addition to the locale specific 
     timezones.

     In addition to the notes above, if using a preseed file, the timezone can
     be specified regardless of local information. This is specifically for
     interactive text based installation, where the system owner may want to
     use UTC instead of a local time zone.


./brent



-- System Information:
Debian Release: 12.0
  APT prefers stable-security
  APT policy: (500, 'stable-security'), (500, 'stable')
Architecture: arm64 (aarch64)

Kernel: Linux 6.1.0-9-arm64 (SMP w/1 CPU thread)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

-- no debconf information