/usr/bin/debconf is in debconf 1.5.49.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | #!/usr/bin/perl -w
=head1 NAME
debconf - run a debconf-using program
=cut
=head1 SYNOPSIS
debconf [options] command [args]
=head1 DESCRIPTION
Debconf is a configuration system for Debian packages. For a debconf
overview and documentation for sysadmins, see L<debconf(7)> (in the
debconf-doc package).
The B<debconf> program runs a program under debconf's control, setting it up
to talk with debconf on stdio. The program's output is expected to be debconf
protocol commands, and it is expected to read result codes on stdin. See
L<debconf-devel(7)> for details about the debconf protocol.
The command to be run under debconf must be specified in a way that will
let your PATH find it.
This command is not the usual way that debconf is used. It's more typical
for debconf to be used via L<dpkg-preconfigure(8)> or L<dpkg-reconfigure(8)>.
=head1 OPTIONS
=over 4
=item B<-o>I<package>, B<--owner=>I<package>
Tell debconf what package the command it is running is a part of. This is
necessary to get ownership of registered questions right, and to support
unregister and purge commands properly.
=item B<-f>I<type>, B<--frontend=>I<type>
Select the frontend to use.
=item B<-p>I<value>, B<--priority=>I<value>
Specify the minimum priority of question that will be displayed.
=item B<--terse>
Enables terse output mode. This affects only some frontends.
=back
=head1 EXAMPLES
To debug a shell script that uses debconf, you might use:
DEBCONF_DEBUG=developer debconf my-shell-prog
Or, you might use this:
debconf --frontend=readline sh -x my-shell-prog
=head1 SEE ALSO
L<debconf-devel(7)>, L<debconf(7)>
=cut
use strict;
use Debconf::Db;
use Debconf::AutoSelect qw(:all);
use Debconf::Gettext;
use Debconf::Config;
# Find the end of the options for this command, and the beginning of the
# command to run, which may have arguments. Break those arguments out.
my (@argv, @command);
for (my $x=0; $x <= $#ARGV; $x++) {
if ($ARGV[$x] =~ /^-(o|f|p|-(owner|frontend|priority))$/) {
push @argv, $ARGV[$x++];
push @argv, $ARGV[$x] if defined $ARGV[$x]; # skip option argument
next;
}
elsif ($ARGV[$x] =~ /^-/) {
push @argv, $ARGV[$x];
}
else {
# end of arguments, start of command
@command=@ARGV[$x..$#ARGV];
last;
}
}
@ARGV=@argv;
my $usage = gettext("Usage: debconf [options] command [args]");
my $owner='';
Debconf::Config->getopt($usage.gettext(qq{
-o, --owner=package Set the package that owns the command.}),
"o|owner=s" => \$owner,
);
die "$usage\n" unless @command;
Debconf::Db->load;
my $frontend=make_frontend();
my $confmodule=make_confmodule(@command);
$confmodule->owner($owner) if length $owner;
1 while ($confmodule->communicate);
my $code=$confmodule->exitcode;
$frontend->shutdown;
$confmodule->finish;
Debconf::Db->save;
exit $code;
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut
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