[Bug 1164252] Re: Improve default selection of IBus related packages

[Gunnar Hjalmarsson]

Made a little investigation.

Excluding ibus-table, ibus-pinyin and ibus-pinyin-db-android would free
1.5 MB of archive space.

Checked the required archive space for a few possible candidates:

ibus-sunpinyin
- pulls: libglade2-0 libsunpinyin3 python-glade2 sunpinyin-data
- would need 25.5 MB

ibus-chewing
- pulls: libchewing3 libchewing3-data
- would need 1.4 MB

ibus-anthy (for Japanese)
- pulls: anthy anthy-common libanthy0
- would need 2.8 MB

ibus-hangul (for Korean)
- pulls: libhangul-data libhangul1
- would need 2.5 MB

The net increase of archive space due to those changes would be 31 MB.
The ISO for i386 is currently 923 MB.

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https://bugs.launchpad.net/bugs/1164252

Title:
  Improve default selection of IBus related packages

Status in Ubuntu Kylin:
  Fix Released
Status in “ubuntu-meta” package in Ubuntu:
  In Progress

Bug description:
  Currently we have:

  """
  Input methods:

   * (im-config)
   * (ibus)
   * (ibus-gtk3)
   * (ibus-table)
   * (ibus-pinyin)
   * (ibus-pinyin-db-android)
  """

  This is suboptimal in many ways.
  1. ibus-gtk should be included, since we have notable GTK2 applications like Firefox and LibreOffice.
  2. ibus-table doesn't provide a working input method by itself, it needs at least one of ibus-table-* package to work.
  3. ibus-pinyin is useful for only limited set of people; even Simplified Chinese language support defaults to ibus-sunpinyin while UbuntuKylin and LinuxDeepin (a noteable Ubuntu-based distro in China) switch to Fcitx altogether.

  The conclusion is that the real workhorse IBus related packages would be pulled by language support.
  For meta package like ubuntu-desktop, we either leave a barebone IBus (ibus, ibus-gtk, ibus-gtk3) or remove IBus altogether.

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