[kde] [Bug 478120] New: Changing locale from anything else to pt_PT on Languages KCM does not update locale files correctly

[Eduardo Correia]

https://bugs.kde.org/show_bug.cgi?id=478120

            Bug ID: 478120
           Summary: Changing locale from anything else to pt_PT on
                    Languages KCM does not update locale files correctly
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: eduardosareias at gmail.com
  Target Milestone: ---

SUMMARY
I am still unsure if this is a distro-specific problem or a KDE problem I have
tested on Nobara and stock Fedora on both my machines and the problem exists on
both. I am also unsure of where to report this bug, so I ask any admin/mod to
correctly assign this report to its correct category/component.

When changing from any language to "European Portuguese" (or "Português
europeu"), the system locale is not updated correctly, even after re-login. In
region & language KCM, changing to any language usually results in locale files
being updated, and stuff like "cat /var/lib/AccountsService/users/${USER}"
returning a line "Languages=en_US.UTF-8;" .

However, when you select "Português europeu" from the language options, and
click the Apply button, when it automatically goes back to the main page of
this KCM, it still shows the previously configured language. It didn´t apply
the new locale correctly. Also, if you do "cat
/var/lib/AccountsService/users/${USER}¨ in the console, it still shows the
previous locale in the Languages line. If you change to any other language,
this line gets updated correctly. If you delete this line, and change to any
other language, this line gets added again. But if you delete this line, and
then change to pt_PT ("português europeu" option) and check that file again,
this line is NOT added. Whatever function is adding/updating this line for
other languages, it's not doing it for pt_PT . This is also reflected in the
whole system, as everything is still shown with the locale that was previously
correctly set, which means that the system locale is not being updated at all,
after choosing portuguese european. Still, if you go do change the language in
the region & languages KCM, it shows portuguese european added on that list,
even though it had absolutely no effect on the system.

If you check plasma-localerc in the user .config folder, a similar behaviour
exists: the [Translations] line is correctly updated, but the [Formats] line is
NOT updated if the language is pt_PT. If you choose any other language,
[Formats] is updated correctly.

If you add multiple languages to the list in this KCM, they are all listed
correctly in plasma-localerc, but similarly, the [Formats] line and this file:
"/var/lib/AccountsService/users/${USER}" are NOT updated if the locale pt_PT is
on the top of the locales list. If you move any other language from that list
to the top, everything is updated correctly. Move european portuguese to the
top of the list again, and all changes get ignored/don't do anything. The only
thing that gets changed, is the [Translations] line at plasma-localerc.

This might be related to the bug report #454991 , also reported by me some
months ago. Even though the problem is different, and that other bug reported
is now fixed, the fix for that bug report might have been incomplete or somehow
that fix created this new bug.

STEPS TO REPRODUCE
1. Go into Region & language settings, switch from any language to european
portuguese, or add multiple languages with european portuguese on top of the
list. Click Apply. Re-login is optional, the problem can be seen either way.
2. Language is not changed at all, files "plasma-localerc" and
"/var/lib/AccountsService/users/${USER}" still have the previous language set.
3. Choose any other language, or move any other language to the top of the
languages list and click apply, check those same files and confirm that now
everything got correctly updated.

OBSERVED RESULT
KDE locale files not updated correctly after choosing european portuguese.

EXPECTED RESULT
Everything having the same behaviour as it has changing to any other language.

SOFTWARE/OS VERSIONS
Linux: 6.6.3-203
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.112.0
Qt Version: 5.15.11

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