+#!/usr/bin/perl -w
+# list-binpkg -- lintian helper script
+
+# Copyright (C) 1998 Christian Schwarz
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, you can find it on the World Wide
+# Web at http://www.gnu.org/copyleft/gpl.html, or write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+use strict;
+
+# turn file buffering off:
+$| = 1;
+
+# parse command line options
+if ($#ARGV == -1) {
+ print "list-binpkg [-v] <output-list-file>\n";
+ print "options:\n";
+ print " -v verbose\n";
+ exit 0;
+}
+
+my $verbose = 0;
+my $output_file = undef;
+my $pkgdata = undef; # WTF?
+
+while (my $arg = shift) {
+ if ($arg =~ s,^-,,o) {
+ if ($arg eq 'v') {
+ $verbose = 1;
+ } else {
+ print STDERR "error: unknown command line argument: $arg\n";
+ exit 1;
+ }
+ } else {
+ if ($output_file) {
+ print STDERR "error: too many command line arguments: $arg\n";
+ exit 1;
+ }
+ $output_file = $arg;
+ }
+}
+
+unless ($output_file) {
+ print STDERR "error: no output file specified\n";
+ exit 1;
+}
+
+# import perl libraries
+use lib "$ENV{'LINTIAN_ROOT'}/lib";
+use Read_pkglists;
+use vars qw(%binary_info $BINLIST_FORMAT); # from the above
+use Pipeline;
+use Util;
+
+# get variables out of environment
+my $LINTIAN_ARCHIVEDIR = $ENV{'LINTIAN_ARCHIVEDIR'};
+my $LINTIAN_DIST = $ENV{'LINTIAN_DIST'};
+my $LINTIAN_ARCH = $ENV{'LINTIAN_ARCH'};
+my $LINTIAN_SECTION = $ENV{'LINTIAN_SECTION'};
+my $LINTIAN_LAB = $ENV{'LINTIAN_LAB'};
+
+# read old list file (this command does nothing if the file does not exist)
+read_bin_list($output_file,1);
+
+my %pkgfile;
+# map filenames to package names
+for my $pkg (keys %binary_info) {
+ $pkgfile{$binary_info{$pkg}->{'file'}} = $pkg;
+}
+
+# open output file
+open(OUT, '>', $output_file)
+ or fail("cannot open list file $output_file for writing: $!");
+print OUT "$BINLIST_FORMAT\n";
+
+# parse Packages file to get list of packages
+my $packages = "$LINTIAN_ARCHIVEDIR/dists/$LINTIAN_DIST/$LINTIAN_SECTION/".
+ "binary-$LINTIAN_ARCH/Packages";
+if (-e $packages) {
+ print "N: Parsing $packages ...\n" if $verbose;
+ open(IN, '<', $packages) or fail("cannot open Packages file $packages: $!");
+} elsif (-e "$packages.gz") {
+ print "N: Parsing $packages.gz ...\n" if $verbose;
+ open (IN, '-|', 'gzip', '-dc', "$packages.gz")
+ or fail("cannot open Packages file $packages.gz: $!");
+} else {
+ fail("No packages file $packages");
+}
+
+my $line;
+my %packages;
+my $total = 0;
+
+while (!eof(IN)) {
+ do { $line = <IN> } until ($line =~ m/^Architecture: (.*)$/m);
+ my $arch = $1;
+ do { $line = <IN> } until ($line =~ m/^Filename: (.*)$/m);
+ my $deb_file = $1;
+ do { $line = <IN> } until ($line =~ m/^\s*$/m);
+
+ my @stat;
+ # get timestamp...
+ unless (@stat = stat "$LINTIAN_ARCHIVEDIR/$deb_file") {
+ print "E: general: cannot stat $LINTIAN_ARCHIVEDIR/$deb_file\n";
+ next;
+ }
+ my $timestamp = $stat[9];
+ my ($status, $pkg, $data);
+
+ # was package already included in last list?
+ if (exists $pkgfile{$deb_file}) {
+ # yes!
+ $pkg = $pkgfile{$deb_file};
+ $data = $binary_info{$pkg};
+
+ # file changed since last run?
+ if ($timestamp == $data->{'timestamp'}) {
+ # no.
+ $status = 'unchanged';
+ } else {
+ $status = 'changed';
+ delete $binary_info{$pkg};
+ }
+ } else {
+ # new package, get info
+ $status = 'new';
+ }
+
+ if (($status eq 'new') or ($status eq 'changed')) {
+ if (defined $pkgdata) {
+ # avoid collecting the info twice
+ $data = $pkgdata;
+ } else {
+ $data = &safe_get_deb_info($deb_file);
+ }
+ next if not defined $data;
+ $pkg = $data->{'package'};
+ }
+
+ # check for duplicates
+ if (exists $packages{$pkg}) {
+ print "E: general: duplicate-binary-package $pkg\n";
+ next;
+ }
+
+ # write entry to output file
+ print OUT join(';',
+ $pkg,
+ $data->{'version'},
+ $data->{'source'},
+ $deb_file,
+ $timestamp,
+ ),"\n";
+ printf "N: Listed %s binary package %s %s\n",$status,$pkg,$data->{'version'} if $verbose;
+
+ # remove record from hash
+ delete $binary_info{$pkg} if $status eq 'unchanged';
+ $packages{$pkg} = 1;
+ $total++;
+}
+close(IN) or fail("cannot close input pipe: $!");
+close(OUT) or fail("cannot close output pipe: $!");
+
+if ($verbose) {
+ # all packages that are still included in %binary_info have disappeared from the archive...
+ for my $pkg (sort keys %binary_info) {
+ print "N: Removed binary package $pkg from list\n";
+ }
+ printf "N: Listed %d binary packages\n",$total;
+}
+
+exit 0;
+
+sub safe_get_deb_info {
+ # use eval when calling get_deb_info, since we don't want to `die' just
+ # because of a single broken package
+ my $data;
+ eval { $data = get_deb_info("$LINTIAN_ARCHIVEDIR/$_[0]"); };
+ if ($@) {
+ # error!
+ print STDERR "$@\n";
+ print "E: general: bad-binary-package $_[0]\n";
+ return undef;
+ }
+ $data->{'source'} or ($data->{'source'} = $data->{'package'});
+ return $data;
+}