--- /dev/null
+# standards-version -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+#
+# 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.
+
+package Lintian::standards_version;
+use strict;
+
+use Date::Parse qw(str2time);
+use POSIX qw(strftime);
+use Parse::DebianChangelog;
+
+use Tags;
+use Util;
+
+# This is a list of all known standards versions, current and older, with
+# their dates of publication.
+my @standards =
+ ([ '3.8.0' => '2008-06-04' ],
+ [ '3.7.3' => '2007-12-03' ],
+ [ '3.7.2' => '2006-05-03' ],
+ [ '3.7.1' => '2006-05-03' ],
+ [ '3.7.0' => '2006-04-26' ],
+ [ '3.6.2' => '2005-06-17' ],
+ [ '3.6.1' => '2003-08-19' ],
+ [ '3.6.0' => '2003-07-09' ],
+ [ '3.5.10' => '2003-05-10' ],
+ [ '3.5.9' => '2003-03-07' ],
+ [ '3.5.8' => '2002-11-15' ],
+ [ '3.5.7' => '2002-08-31' ],
+ [ '3.5.6' => '2001-07-25' ],
+ [ '3.5.5' => '2001-06-01' ],
+ [ '3.5.4' => '2001-04-28' ],
+ [ '3.5.3' => '2001-04-15' ],
+ [ '3.5.2' => '2001-02-18' ],
+ [ '3.5.1' => '2001-02-15' ],
+ [ '3.5.0' => '2001-01-29' ],
+ [ '3.2.1' => '2000-08-24' ],
+ [ '3.2.0' => '2000-07-30' ],
+ [ '3.1.1' => '1999-11-16' ],
+ [ '3.1.0' => '1999-11-04' ],
+ [ '3.0.1' => '1999-07-15' ],
+ [ '3.0.0' => '1999-07-01' ],
+ [ '2.5.1' => '1999-04-27' ],
+ [ '2.5.0' => '1998-10-29' ],
+ [ '2.4.1' => '1998-04-14' ],
+ [ '2.4.0' => '1998-01-30' ],
+ [ '2.3.0' => '1997-09-01' ],
+ [ '2.2.0' => '1997-07-13' ],
+ [ '2.1.3' => '1997-03-15' ],
+ [ '2.1.2' => '1996-11-23' ],
+ [ '2.1.1' => '1996-09-12' ],
+ [ '2.1.0' => '1996-09-01' ],
+ [ '2.0.1' => '1996-08-31' ],
+ [ '2.0.0' => '1996-08-26' ],
+ [ '0.2.1' => '1996-08-23' ],
+ [ '0.2.0' => '1996-08-21' ]);
+my %standards = map { $$_[0] => $$_[1] } @standards;
+my $current = $standards[0][0];
+my @current = split (/\./, $current);
+
+sub run {
+
+my $pkg = shift;
+my $type = shift;
+my $info = shift;
+
+# udebs aren't required to conform to policy, so they don't need
+# Standards-Version. (If they have it, though, it should be valid.)
+my $version = $info->field('standards-version');
+if (not defined $version) {
+ tag 'no-standards-version-field' unless $type eq 'udeb';
+ return 0;
+}
+
+# Check basic syntax and strip off the fourth digit. People are allowed to
+# include the fourth digit if they want, but it indicates a non-normative
+# change in Policy and is therefore meaningless in the Standards-Version
+# field.
+unless ($version =~ m/^\s*(\d+\.\d+\.\d+)(?:\.\d+)?\s*$/) {
+ tag 'invalid-standards-version', $version;
+ return 0;
+}
+my $stdver = $1;
+my ($major, $minor, $patch) = $stdver =~ m/^(\d+)\.(\d+)\.(\d+)/;
+
+# To do some date checking, we have to get the package date from the changelog
+# file. If we can't find the changelog file, assume that the package was
+# released today, since that activates the most tags.
+my $changes = $info->changelog;
+my $pkgdate;
+if (defined $changes) {
+ my ($entry) = $changes->data;
+ $pkgdate = $entry ? $entry->Timestamp : 0;
+} else {
+ $pkgdate = time;
+}
+
+# Check for packages dated prior to the date of release of the standards
+# version with which they claim to comply.
+if ($standards{$stdver} && str2time($standards{$stdver}, '+0000') > $pkgdate) {
+ my $pretty = strftime ('%Y-%m-%d', gmtime $pkgdate);
+ tag 'timewarp-standards-version', "($pretty < $standards{$stdver})";
+}
+
+my $tag = "$version (current is $current)";
+if (not exists $standards{$stdver}) {
+ # Unknown standards version. Perhaps newer?
+ if ( ($major > $current[0])
+ or ($major == $current[0] and $minor > $current[1])
+ or ($major == $current[0] and $minor == $current[1]
+ and $patch > $current[2])) {
+ tag 'newer-standards-version', $tag;
+ } else {
+ tag 'invalid-standards-version', $version;
+ }
+} elsif ($stdver eq $current) {
+ # Current standard. Nothing more to check.
+ return 0;
+} else {
+ # Otherwise, we need to see if the standard that this package declares is
+ # both new enough to not be ancient and was the current standard at the
+ # time the package was uploaded.
+ #
+ # A given standards version is considered obsolete if the version
+ # following it has been out for at least two years (so the current version
+ # is never obsolete).
+ my $obsdate = time;
+ for my $index (0 .. $#standards) {
+ if ($standards[$index][0] eq $stdver) {
+ $obsdate = $standards[$index - 1][1] if $index > 0;
+ last;
+ }
+ }
+ if (str2time($obsdate, '+0000') + (60 * 60 * 24 * 365 * 2) < time) {
+ tag 'ancient-standards-version', $tag;
+ } else {
+ # We have to get the package date from the changelog file. If we
+ # can't find the changelog file, always issue the tag.
+ my $changes = $info->changelog;
+ if (not defined $changes) {
+ tag 'out-of-date-standards-version', $tag;
+ return 0;
+ }
+ my ($entry) = $changes->data;
+ my $timestamp = $entry ? $entry->Timestamp : 0;
+ for my $standard (@standards) {
+ last if $standard->[0] eq $stdver;
+ if (str2time($standard->[1], '+0000') < $timestamp) {
+ tag 'out-of-date-standards-version', $tag;
+ last;
+ }
+ }
+ }
+}
+
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 ts=4 et shiftround