#! /usr/bin/perl -w

use warnings;
use strict;

use Debbugs::Config qw(:globals);
use Debbugs::Status qw(get_bug_status splitpackages);
use Debbugs::Bugs qw(count_bugs);

my %strong = map { $_ => 1 } @gStrongSeverities;

my %impbugs = count_bugs(function => sub {
    my %d = @_;

    # Fast checks.
    return () if $d{status} eq 'done' or not $strong{$d{severity}};
    my %tags = map { $_ => 1 } split ' ', $d{tags};
    return () if $tags{fixed} or $tags{'etch-ignore'};
    return () if ($tags{potato} or $tags{woody} or $tags{sarge} or $tags{etch} or $tags{experimental}) and not $tags{sid};

    # Unfortunately mergedwith isn't indexed.
    my $status = get_bug_status(bug => $d{bug});
    my @merged = sort split ' ', $status->{mergedwith};
    return () if @merged and $merged[0] < $d{bug};

    return splitpackages($d{pkg});
});

open IMPBUGS, '> /org/bugs.debian.org/www/stats/impbugs.txt.new'
    or die "can't open impbugs.txt.new: $!";
for my $pkg (reverse sort keys %impbugs) {
    print IMPBUGS "$pkg $impbugs{$pkg}\n" or die "can't write to impbugs.txt.new: $!";
}
close IMPBUGS or die "can't close impbugs.txt.new: $!";
rename '/org/bugs.debian.org/www/stats/impbugs.txt.new', '/org/bugs.debian.org/www/stats/impbugs.txt'
    or die "can't rename impbugs.txt.new to impbugs.txt: $!";