294 lines
6.9 KiB
Perl
294 lines
6.9 KiB
Perl
#!/usr/bin/perl -w
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# This file was preprocessed, do not edit!
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package Debconf::Config;
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use strict;
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use Debconf::Question;
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use Debconf::Gettext;
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use Debconf::Priority qw(priority_valid priority_list);
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use Debconf::Log qw(warn);
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use Debconf::Db;
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use fields qw(config templates frontend frontend_forced priority terse reshow
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admin_email log debug nowarnings smileys sigils
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noninteractive_seen c_values);
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our $config=fields::new('Debconf::Config');
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our @config_files=("/etc/debconf.conf", "/usr/share/debconf/debconf.conf");
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if ($ENV{DEBCONF_SYSTEMRC}) {
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unshift @config_files, $ENV{DEBCONF_SYSTEMRC};
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} else {
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unshift @config_files, ((getpwuid($>))[7])."/.debconfrc";
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}
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sub _hashify ($$) {
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my $text=shift;
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my $hash=shift;
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$text =~ s/\$\{([^}]+)\}/$ENV{$1}/eg;
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my %ret;
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my $i;
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foreach my $line (split /\n/, $text) {
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next if $line=~/^\s*#/; # comment
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next if $line=~/^\s*$/; # blank
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$line=~s/^\s+//;
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$line=~s/\s+$//;
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$i++;
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my ($key, $value)=split(/\s*:\s*/, $line, 2);
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$key=~tr/-/_/;
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die "Parse error" unless defined $key and length $key;
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$hash->{lc($key)}=$value;
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}
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return $i;
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}
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sub _env_to_driver {
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my $value=shift;
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my ($name, $options) = $value =~ m/^(\w+)(?:{(.*)})?$/;
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return unless $name;
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return $name if Debconf::DbDriver->driver($name);
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my %hash = @_; # defaults from params
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$hash{driver} = $name;
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if (defined $options) {
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foreach (split ' ', $options) {
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if (/^(\w+):(.*)/) {
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$hash{$1}=$2;
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}
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else {
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$hash{filename}=$_;
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}
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}
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}
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return Debconf::Db->makedriver(%hash)->{name};
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}
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sub load {
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my $class=shift;
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my $cf=shift;
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my @defaults=@_;
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if (! $cf) {
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for my $file (@config_files) {
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$cf=$file, last if -e $file;
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}
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}
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die "No config file found" unless $cf;
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open (DEBCONF_CONFIG, $cf) or die "$cf: $!\n";
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local $/="\n\n"; # read a stanza at a time
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1 until _hashify(<DEBCONF_CONFIG>, $config) || eof DEBCONF_CONFIG;
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if (! exists $config->{config}) {
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print STDERR "debconf: ".gettext("Config database not specified in config file.")."\n";
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exit(1);
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}
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if (! exists $config->{templates}) {
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print STDERR "debconf: ".gettext("Template database not specified in config file.")."\n";
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exit(1);
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}
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if (exists $config->{sigils} || exists $config->{smileys}) {
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print STDERR "debconf: ".gettext("The Sigils and Smileys options in the config file are no longer used. Please remove them.")."\n";
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}
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while (<DEBCONF_CONFIG>) {
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my %config=(@defaults);
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if (exists $ENV{DEBCONF_DB_REPLACE}) {
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$config{readonly} = "true";
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}
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next unless _hashify($_, \%config);
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eval {
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Debconf::Db->makedriver(%config);
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};
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if ($@) {
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print STDERR "debconf: ".sprintf(gettext("Problem setting up the database defined by stanza %s of %s."),$., $cf)."\n";
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die $@;
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}
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}
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close DEBCONF_CONFIG;
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if (exists $ENV{DEBCONF_DB_REPLACE}) {
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$config->{config} = _env_to_driver($ENV{DEBCONF_DB_REPLACE},
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name => "_ENV_REPLACE");
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Debconf::Db->makedriver(
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driver => "Pipe",
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name => "_ENV_REPLACE_templates",
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infd => "none",
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outfd => "none",
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);
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my @template_stack = ("_ENV_REPLACE_templates", $config->{templates});
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Debconf::Db->makedriver(
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driver => "Stack",
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name => "_ENV_stack_templates",
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stack => join(", ", @template_stack),
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);
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$config->{templates} = "_ENV_stack_templates";
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}
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my @finalstack = ($config->{config});
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if (exists $ENV{DEBCONF_DB_OVERRIDE}) {
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unshift @finalstack, _env_to_driver($ENV{DEBCONF_DB_OVERRIDE},
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name => "_ENV_OVERRIDE");
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}
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if (exists $ENV{DEBCONF_DB_FALLBACK}) {
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push @finalstack, _env_to_driver($ENV{DEBCONF_DB_FALLBACK},
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name => "_ENV_FALLBACK",
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readonly => "true");
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}
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if (@finalstack > 1) {
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Debconf::Db->makedriver(
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driver => "Stack",
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name => "_ENV_stack",
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stack => join(", ", @finalstack),
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);
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$config->{config} = "_ENV_stack";
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}
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}
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sub getopt {
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my $class=shift;
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my $usage=shift;
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my $showusage=sub { # closure
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print STDERR $usage."\n";
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print STDERR gettext(<<EOF);
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-f, --frontend Specify debconf frontend to use.
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-p, --priority Specify minimum priority question to show.
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--terse Enable terse mode.
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EOF
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exit 1;
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};
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return unless grep { $_ =~ /^-/ } @ARGV;
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require Getopt::Long;
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Getopt::Long::Configure('bundling');
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Getopt::Long::GetOptions(
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'frontend|f=s', sub { shift; $class->frontend(shift); $config->frontend_forced(1) },
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'priority|p=s', sub { shift; $class->priority(shift) },
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'terse', sub { $config->{terse} = 'true' },
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'help|h', $showusage,
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@_,
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) || $showusage->();
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}
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sub frontend {
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my $class=shift;
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return $ENV{DEBIAN_FRONTEND} if exists $ENV{DEBIAN_FRONTEND};
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$config->{frontend}=shift if @_;
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return $config->{frontend} if exists $config->{frontend};
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my $ret='dialog';
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my $question=Debconf::Question->get('debconf/frontend');
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if ($question) {
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$ret=lcfirst($question->value) || $ret;
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}
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return $ret;
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}
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sub frontend_forced {
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my ($class, $val) = @_;
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$config->{frontend_forced} = $val
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if defined $val || exists $ENV{DEBIAN_FRONTEND};
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return $config->{frontend_forced} ? 1 : 0;
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}
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sub priority {
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my $class=shift;
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return $ENV{DEBIAN_PRIORITY} if exists $ENV{DEBIAN_PRIORITY};
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if (@_) {
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my $newpri=shift;
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if (! priority_valid($newpri)) {
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warn(sprintf(gettext("Ignoring invalid priority \"%s\""), $newpri));
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warn(sprintf(gettext("Valid priorities are: %s"), join(" ", priority_list())));
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}
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else {
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$config->{priority}=$newpri;
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}
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}
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return $config->{priority} if exists $config->{priority};
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my $ret='high';
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my $question=Debconf::Question->get('debconf/priority');
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if ($question) {
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$ret=$question->value || $ret;
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}
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return $ret;
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}
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sub terse {
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my $class=shift;
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return $ENV{DEBCONF_TERSE} if exists $ENV{DEBCONF_TERSE};
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$config->{terse}=$_[0] if @_;
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return $config->{terse} if exists $config->{terse};
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return 'false';
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}
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sub nowarnings {
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my $class=shift;
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return $ENV{DEBCONF_NOWARNINGS} if exists $ENV{DEBCONF_NOWARNINGS};
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$config->{nowarnings}=$_[0] if @_;
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return $config->{nowarnings} if exists $config->{nowarnings};
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return 'false';
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}
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sub debug {
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my $class=shift;
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return $ENV{DEBCONF_DEBUG} if exists $ENV{DEBCONF_DEBUG};
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return $config->{debug} if exists $config->{debug};
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return '';
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}
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sub admin_email {
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my $class=shift;
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return $ENV{DEBCONF_ADMIN_EMAIL} if exists $ENV{DEBCONF_ADMIN_EMAIL};
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return $config->{admin_email} if exists $config->{admin_email};
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return 'root';
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}
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sub noninteractive_seen {
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my $class=shift;
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return $ENV{DEBCONF_NONINTERACTIVE_SEEN} if exists $ENV{DEBCONF_NONINTERACTIVE_SEEN};
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return $config->{noninteractive_seen} if exists $config->{noninteractive_seen};
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return 'false';
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}
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sub c_values {
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my $class=shift;
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return $ENV{DEBCONF_C_VALUES} if exists $ENV{DEBCONF_C_VALUES};
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return $config->{c_values} if exists $config->{c_values};
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return 'false';
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}
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sub AUTOLOAD {
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(my $field = our $AUTOLOAD) =~ s/.*://;
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my $class=shift;
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return $config->{$field}=shift if @_;
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return $config->{$field} if defined $config->{$field};
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return '';
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}
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1
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