[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: [RFC] Major issue with use of Choices-C

On Wednesday 02 April 2008, Frans Pop wrote:
> This indeed is a real issue.

I've been looking at a solution for this in debconf, but am confused.

# LANG= LANGUAGE=nl LC_ALL=en_US.UTF-8 ../../test-debconf-C
=> Dialog is displayed in Dutch
@langs = nl:en_us.utf-8:en_us:en.utf-8:en

# LANG= LANGUAGE=en LC_ALL=nl_NL.UTF-8 ../../test-debconf-C
=> Dialog is displayed in Dutch
@langs = en:nl_nl.utf-8:nl_nl:nl.utf-8:nl

(Values for @langs are from /usr/share/perl5/Debconf/Template.pm.)

Why are both cases displayed in Dutch? I would have expected English for the

It seems that because there are no specific -en.UTF-8 templates for English,
Dutch ends up being preferred.
This basically means that for debconf you'll never be able to override a 
specific locale setting using LANGUAGE=C or LANGUAGE=en; you'll always have 
to specify the locale and have LANGUAGE unset.

# LANG= LANGUAGE=en LC_ALL=C ../../test-debconf-C
=> Choices-C values are displayed
@langs = en:c

Here again, C is the first actual match because Choices-C exists.

# LANG= LANGUAGE= LC_ALL=en_US.UTF-8 ../../test-debconf-C
=> Dialog is displayed in English
@langs = en_us.utf-8:en_us:en.utf-8:en

Here the display is finally correct, but only because there is _no_ match
at all...

I wonder if this patch to /usr/share/perl5/Debconf/Template.pm would be
the correct way to solve this issue:
--- ../../Template.pm	2008-04-02 13:39:54.000000000 +0200
+++ /usr/share/perl5/Debconf/Template.pm	2008-04-02 13:53:17.000000000 +0200
@@ -279,6 +279,7 @@
 my @langs=map { lc $_ } _getlangs();
+print join(":", @langs), "\n";
 	(my $field = our $AUTOLOAD) =~ s/.*://;
@@ -294,6 +294,8 @@
 		if ($Debconf::Template::i18n && @langs) {
 			my @fields = grep /^\Q$field\E(?:[_.@]|$)/, 
 			foreach my $lang (@langs) {
+				$lang="en" if ($lang eq "c");
 				return $ret if defined $ret;
@@ -306,6 +308,8 @@
+				last if ($lang eq "en")
 		} elsif (not $Debconf::Template::i18n && $field !~ /-c$/i) {
 			$ret=$Debconf::Db::templates->getfield($this->{template}, $field.'-c');

The first hunk makes sure that "Choices-C" fields are never explicitly
selected, but English is used instead. The second hunk solves the second
example I started with by breaking out of the loop if the language is "en"
and thereby ensuring debconf defaults to the standard field.


Attachment: signature.asc
Description: This is a digitally signed message part.

Reply to: