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#!/usr/bin/perl
=head1 NAME
Debconf::DbDriver::Copy - class that can make copies
=cut
package Debconf::DbDriver::Copy;
use warnings;
use strict;
use Debconf::Log qw{:all};
use base 'Debconf::DbDriver';
=head1 DESCRIPTION
This driver is not useful on its own, it is just the base of other classes
that need to be able to copy entire database items around.
=head1 METHODS
=item copy(item, src, dest)
Copies the given item from the source database to the destination database.
The item is assumed to not already exist in dest.
=cut
sub copy {
my $this=shift;
my $item=shift;
my $src=shift;
my $dest=shift;
debug "db $this->{name}" => "copying $item from $src->{name} to $dest->{name}";
# First copy the owners, which makes sure $dest has the item.
my @owners=$src->owners($item);
if (! @owners) {
@owners=("unknown");
}
foreach my $owner (@owners) {
my $template = Debconf::Template->get($src->getfield($item, 'template'));
my $type="";
$type = $template->type if $template;
$dest->addowner($item, $owner, $type);
}
# Now the fields.
foreach my $field ($src->fields($item)) {
$dest->setfield($item, $field, $src->getfield($item, $field));
}
# Now the flags.
foreach my $flag ($src->flags($item)) {
$dest->setflag($item, $flag, $src->getflag($item, $flag));
}
# And finally the variables.
foreach my $var ($src->variables($item)) {
$dest->setvariable($item, $var, $src->getvariable($item, $var));
}
}
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut
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