tools/closurepkgs


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#!/usr/bin/perl

use strict;

sub chop_version($) {
    ($_[0] =~ /(.*)-[^-]+-[^-]+/)[0] || $_[0];
}

sub read_depslist {
    my ($file) = @_;
    my $depslist = { 'ordered' => [], 'packages' => {} };

    local *F;
    open F, $file or die "closurepkgs: unable to open ordered dependencies list file $file\n";
    foreach (<F>) {
	my ($name, $size, @deps) = split;
	push @{$depslist->{ordered}}, { name => $name, size => $size, deps => \@deps };
    }
    close F;

    foreach (@{$depslist->{ordered}}) {
	$depslist->{packages}{chop_version($_->{name})} = $_;
    }

    print STDERR "closurepkgs: read " . scalar(@{$depslist->{ordered}}) . " package dependancies\n";

    $depslist;
}

sub main {
    my ($file) = @_;
    my $depslist = read_depslist($file);

    my @pkgs = qw(XFree86 XFree86-server XFree86-glide-module Device3Dfx Glide_V3-DRI Glide_V5 Mesa dhcpcd pump dhcpxd dhcp-client isdn4net isdn4k-utils dev pptp-adsl-fr rp-pppoe ppp ypbind rhs-printfilters lpr cups cups-drivers samba ncpfs);
    push @pkgs, "XFree86-$_" foreach qw(3DLabs 3dfx 8514 AGX FBDev I128 Mach8 Mach32 Mach64 Mono P9000 Rage128 S3 S3V SVGA VGA16 W32);

    my %closure;
    foreach (@pkgs) {
	$closure{$_} = 1;
	map { $closure{chop_version($_->{name})} = 1 } map { ($depslist->{ordered}[$_]) } @{$depslist->{packages}{$_}{deps}};
    }

    #- remove base package, which are already installed.
    foreach (qw(basesystem sed initscripts console-tools utempter ldconfig chkconfig ntsysv setup filesystem SysVinit bdflush crontabs dev e2fsprogs etcskel fileutils findutils getty_ps grep gzip hdparm info kernel less ldconfig logrotate losetup man mingetty modutils mount net-tools passwd procmail procps psmisc mandrake-release rootfiles rpm sash ash setserial shadow-utils sh-utils stat sysklogd tar termcap textutils time tmpwatch util-linux vim-minimal vixie-cron which perl-base msec)) {
	delete $closure{$_};
	map { delete $closure{chop_version($_->{name})} } map { ($depslist->{ordered}[$_]) } @{$depslist->{packages}{$_}{deps}};
    }

    my $total = 0;
    map { $total += $depslist->{packages}{$_}{size};
	  print $depslist->{packages}{$_}{name}, "\n" } grep { $closure{$_} } keys %closure;
    print "\n\ntotal=$total\n";
}

main(@ARGV);