[Bug 37707] Re: language-selector should not uninstall packages without a warning (allow opt-out)

[Thibault D]

Hi, I am seeing the same issue with a daily build of Raring Ringtail
(13.04) :

1/ Install a daily build on a USB disk and test it in French with
persistent data on.

2/ Launch gnome-language-selector, it will ask you to download the
remaining files to get a proper translated version.

3/ Accept that and discover that it downloads many files for languages
other than English (en) or French (fr).

In fact, when you try Ubuntu in French, the gnome-language-selector also
has  (at least) Brazilian, Portuguese, Chinese-simplified and German
selected by default.

I have seen the following files being downloaded for example :

    hunspell-de-ch
    hunspell-de-de
    hunspell-en-ca
    hunspell-fr
    
    hyphen-de
    hyphen-en-us
    hyphen-fr
    
    libreoffice-l10n-de
    libreoffice-l10n-en-gb
    libreoffice-l10n-es
    libreoffice-l10n-fr
    libreoffice-l10n-pt
    libreoffice-l10n-pt-br

    libreoffice-help-de
    libreoffice-help-en-gb
    libreoffice-help-es
    libreoffice-help-fr
    libreoffice-help-pt
    libreoffice-help-pt-br


4/ So then, uncheck all languages other than French and English, and discover that - without any warning - it will remove a lot of programs that are not language files. 

I have seen for example :

    Removing bluez-cups
    Removing printer-driver-postscript-hp
    Removing hplip
    Removing printer-driver-hpcups
    Removing printer-driver-gutenprint
    Removing indicator-printers
    Removing cups-browsed
    Removing cups
    Removing cups-filters
    Removing ubuntu-desktop
    Removing evince
    Removing fonts-arphic-uming
    Removing printer-driver-sag-gdi
    Removing printer-driver-ptouch
    Removing printer-driver-pnm2ppa
    Removing ghostscript-x
    Removing printer-driver-splix
    Removing ghostscript-cups
    Removing ghostscript
    Removing ibus-sunpinyin
    Removing ibus-table-wubi
    Removing libevview3-3
    Removing libevdocument3-4
    Removing libspectre1:i386
    Removing libgs9
    Removing openoffice.org-hyphenation
    Removing poppler-data

It's pretty strange and probably not very "clean"...

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Foundations Bugs, which is subscribed to language-selector in Ubuntu.
https://bugs.launchpad.net/bugs/37707

Title:
  language-selector should not uninstall packages without a warning
  (allow opt-out)

Status in “language-selector” package in Ubuntu:
  Triaged

Bug description:
  After upgrading a recently-installed xubuntu-desktop from breezy to
  dapper, I ran gnome-language-selector for the first time.

  I selected Norwegian bokmål as my supported (and default) language,
  and pressed apply.   As I watched the debug log, I discovered that
  language-selector removed the xubuntu-desktop, firefox and mozilla-
  mplayer packages _without warning_.

  My language-selector package is version 0.1.15

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