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# ---------------------------------------------------------------------------
# dc-debconf-select.pl:
# This file will be added to end of dictionaries-common.config-base
# to make dictionaries-common.config, as well as installed under
# /usr/share/dictionaries-common for single ispell dicts/wordlists use
# ---------------------------------------------------------------------------
use strict;
sub dico_get_packages (){
# Get list of packages sharing the question
my $class = shift;
my $question = "shared/packages-$class";
my @pkglist = ();
my ($errorcode,$packages) = metaget ($question, "owners");
@pkglist = split (/\s*,\s*/, $packages) unless $errorcode;
return \@pkglist;
}
sub dico_parse_languages (){
# Get a hash reference of package -> list of (e)languages provided by package
my $class = shift;
my $variant = shift;
my $packages = shift;
my %tmphash = ();
die "No variant (languages|elanguages) string supplied\n" unless $variant;
$packages = &dico_get_packages($class) unless $packages;
foreach my $pkg ( @$packages ){
my ($errorcode, $entry ) = metaget("$pkg/$variant", "default");
unless ( $errorcode ){
$entry =~ s/^\s+//;
$entry =~ s/\s+$//;
$tmphash{$pkg} = $entry;
}
}
return \%tmphash;
}
sub dico_get_all_choices (){
# Get $choices and $echoices parallel lists sorted after $echoices and formatted for debconf
my $class = shift;
my $languages = shift;
my $debug = 1 if exists $ENV{'DICT_COMMON_DEBUG'};
my %mappinghash = ();
my $debug_prefix = "[$class,dico_get_all_choices]";
$languages = &dico_parse_languages($class,"languages") unless $languages;
my $elanguages = &dico_parse_languages($class,"elanguages",[ keys %$languages ]);
if ( $debug ){
print STDERR "-------- $debug_prefix start --------\n";
my $langlist = join(', ',sort keys %{$languages});
my $elanglist = join(', ',sort keys %{$elanguages});
print STDERR " * Packages with languages: $langlist\n" if $debug;
print STDERR " * Packages with elanguages: $elanglist\n" if $debug;
}
foreach my $pkg ( keys %$languages ){
my @langs = split(/\s*,\s*/, $languages->{$pkg});
my @elangs = @langs;
if ( exists $elanguages->{$pkg} ){
my @tmp = split(/\s*,\s*/, $elanguages->{$pkg});
if ( $debug ){
print STDERR " langs: $#langs, " . join(', ',@langs) . "\n";
print STDERR " tmp: $#tmp, " . join(', ',@tmp) . "\n";
}
@elangs = @tmp if ( $#langs == $#tmp );
}
foreach my $index ( 0 .. $#langs ){
$mappinghash{$langs[$index]} = $elangs[$index];
}
}
my $echoices = join(', ', sort {lc($a) cmp lc($b)} values %mappinghash);
my $choices = join(', ',
sort {lc($mappinghash{$a}) cmp lc($mappinghash{$b})}
keys %mappinghash);
if ( $debug ){
print STDERR " * Choices:\n [$choices]\n";
print STDERR " * Echoices:\n [$echoices]\n";
print STDERR "-------- $debug_prefix end --------\n";
}
return $choices, $echoices;
}
sub dc_debconf_select (){
my $classinfo = shift;
my $debug = 1 if exists $ENV{'DICT_COMMON_DEBUG'};
my $reconfigure = 1 if exists $ENV{'DEBCONF_RECONFIGURE'};
my $echoices;
my %title = ('ispell' => "Dictionaries-common: Ispell dictionary",
'wordlist' => "Dictionaries-common: Wordlist dictionary"
);
my $class;
my $priority;
my $is_dcconfig;
# If $classinfo is a hash reference, function is called from dictionaries-common.config
if ( ref($classinfo) eq 'HASH' ){
$class = $classinfo->{'class'};
$priority = $classinfo->{'priority'} if ( defined $classinfo->{'priority'} );
$is_dcconfig = 1;
} else {
# Otherwise is called from ispell dictionary/wordlist config
$class = $classinfo;
}
my $packages = &dico_get_packages($class);
return unless $packages;
my $question = "dictionaries-common/default-$class";
my $flagdir = "/var/cache/dictionaries-common";
my $newflag = "$flagdir/flag-$class-new";
my $debug_prefix = "[$class,dc_debconf_select]";
my $langscript = "/usr/share/dictionaries-common/dc-debconf-default-value.pl";
print STDERR "----- $debug_prefix start -----------\n" if $debug;
# Get new base list of provided languages
my %newchoices = ();
my $languages = &dico_parse_languages($class,"languages",$packages);
foreach my $pkg ( keys %$languages ) {
foreach my $lang ( split(/\s*,\s*/, $languages->{$pkg}) ){
$newchoices{$lang}++;
}
}
my $choices = join (', ', sort {lc($a) cmp lc($b)} keys %newchoices);
# Get old list of provided languages
my @oldchoices = split(/\s*,\s*/,metaget ($question, "choices-c"));
pop @oldchoices; # Remove the manual entry
my $oldchoices = join (', ', sort {lc($a) cmp lc($b)} @oldchoices);
# If dictionaries-common is already installed (-r $langscript),
# there are elements for this class to be installed (%newchoices)
# and there were none before (! $oldchoices), means that we are installing
# for the first time elements in this class, with dictionaries-common
# already installed. Try getting a reasonable default value
if ( -r $langscript && %newchoices && ! $oldchoices ){
print STDERR "$debug_prefix: Configuring class \"$class\" for the first time\n\n" if $debug;
# If called from dictionaries-common.config we already have
# $langscript, and probably more recent. Including it here will cause
# some warnings about subroutine re-definitions and even errors.
require $langscript unless $is_dcconfig;
my $guessed = &dc_set_default_value_for_class($class);
$priority = $guessed->{'priority'} if ( defined $guessed->{'priority'} );
}
# Read current value of default ispell dict / wordlist.
my $curval = get ($question);
# Will be given a value if current value is wrong, undef otherwise
my $wrong_curval;
# Try harder to have a good default if current value is empty, but %newchoices not.
unless ( $curval ){
if ( -r $langscript && %newchoices ){
print STDERR "$debug_prefix: Possible values, but unset \"$question\". Trying harder to get a default value.\n";
# As above, if called from dictionaries-common.config we already have
# $langscript, and probably more recent. Including it here will cause
# some warnings about subroutine re-definitions and even errors.
require $langscript unless $is_dcconfig;
my $guessed = &dc_set_default_value_for_class($class);
$priority = $guessed->{'priority'} if ( defined $guessed->{'priority'} );
$curval = get ($question);
print STDERR "$debug_prefix: \"$question\" set to \"$curval\". Can be changed with select-default-$class.\n";
}
}
if ( scalar %newchoices ) {
# If $priority is set &dc_set_default_value_for_class found something.
# This will usually be as much "medium", so honour it.
unless ( $priority ){
if ( $curval && ( $curval =~ /^Manual.*/ or defined $newchoices{$curval} ) ){
# Use priority "medium" if current value is in the new list or mode is set to manual.
$priority = "medium";
} else {
# Otherwise we either have a wrong value with no associated entry
# or a void value with elements installed (and thus possible values).
# This is an *error* that needs to be signalled and acted upon.
# For this reason priority must be higher than the standard one.
# We leave it as "high" instead of "critical" so question can be
# overriden in special cases until underlying bug is fixed.
$priority = "high";
if ( $curval ){
$wrong_curval = $curval;
print STDERR "$debug_prefix error: \"$curval\" does not correspond to any package.\n";
} else {
$wrong_curval = "Question unset";
print STDERR "$debug_prefix error: \"$question\" unset but $class elements installed.\n";
}
}
}
} else {
$priority = "low";
print STDERR "$debug_prefix info: No elements in given class.\n" if $debug;
}
if ( $debug or $wrong_curval ){
my $curval_txt = $wrong_curval || $curval;
print STDERR "$debug_prefix:
* Class: $class, Priority: $priority
* Question: \"$question\", Previous or guessed value: \"$curval_txt\"
* New choices: [$choices]
* Old choices: [$oldchoices]\n";
}
# May ask question if there is no match
if ( scalar %newchoices ) {
if ( $choices ne $oldchoices) {
fset ($question, "seen", "false");
# Let future processes in this apt run know that a new $class element is to be installed
if ( -d $flagdir ) {
open (my $FLAG, "> $newflag")
or die "Could not open $newflag for write. Aborting ...\n";
print $FLAG "1\n";
close $FLAG;
}
}
my ( $errorcode, $seen ) = fget($question, "seen");
if ( $seen eq "false" or $reconfigure ){
($choices, $echoices ) = &dico_get_all_choices($class,$languages);
subst ($question, "choices", $choices);
subst ($question, "echoices", $echoices);
}
input ($priority, $question);
title ($title{$class});
go ();
subst ($question, "echoices", $choices); # Be backwards consistent
}
# If called from dictionaries-common.config, check actual values in debug mode
if ( $debug && $is_dcconfig ){
print STDERR " * Checking really set values for $question:\n";
print STDERR " - Choices-C string: " . metaget ($question, "choices-c") . "\n";
print STDERR " - Really set value: " . get ($question) . "\n";
}
print STDERR "----- $debug_prefix end -----------\n" if $debug;
}
# Local Variables:
# perl-indent-level: 2
# End:
1;