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# fields/standards-version -- lintian check script -*- perl -*-
# Copyright (C) 1998 Christian Schwarz and Richard Braakman
# Copyright (C) 2008-2009 Russ Allbery
# Copyright (C) 2020 Chris Lamb <lamby@debian.org>
#
# 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 https://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::Check::Fields::StandardsVersion;
use v5.20;
use warnings;
use utf8;
use Const::Fast;
use Date::Parse qw(str2time);
use List::SomeUtils qw(any first_value);
use POSIX qw(strftime);
use Sort::Versions;
use Unicode::UTF8 qw(encode_utf8);
use Moo;
use namespace::clean;
with 'Lintian::Check';
const my $EMPTY => q{};
const my $DOT => q{.};
const my $MAXIMUM_COMPONENTS_ANALYZED => 3;
const my $DATE_ONLY => '%Y-%m-%d';
const my $DATE_AND_TIME => '%Y-%m-%d %H:%M:%S UTC';
sub source {
my ($self) = @_;
return
unless $self->processable->fields->declares('Standards-Version');
my $compliance_standard
= $self->processable->fields->value('Standards-Version');
my @compliance_components = split(/[.]/, $compliance_standard);
if (@compliance_components < $MAXIMUM_COMPONENTS_ANALYZED
|| any { !/^\d+$/ } @compliance_components) {
$self->hint('invalid-standards-version', $compliance_standard);
return;
}
$self->hint('standards-version', $compliance_standard);
my ($compliance_major, $compliance_minor, $compliance_patch)
= @compliance_components;
my $compliance_normalized
= $compliance_major. $DOT. $compliance_minor. $DOT. $compliance_patch;
my $policy_releases = $self->data->policy_releases;
my $latest_standard = $policy_releases->latest_version;
my ($latest_major, $latest_minor, $latest_patch)
= ((split(/[.]/, $latest_standard))[0..$MAXIMUM_COMPONENTS_ANALYZED]);
# a fourth digit is a non-normative change in policy
my $latest_normalized
= $latest_major . $DOT . $latest_minor . $DOT . $latest_patch;
my $changelog_epoch;
my $distribution;
my ($entry) = @{$self->processable->changelog->entries};
if (defined $entry) {
$changelog_epoch = $entry->Timestamp;
$distribution = $entry->Distribution;
}
# assume recent date if there is no changelog; activates most tags
$changelog_epoch //= $policy_releases->epoch($latest_standard);
$distribution //= $EMPTY;
unless ($policy_releases->is_known($compliance_standard)) {
# could be newer
if (versioncmp($compliance_standard, $latest_standard) == 1) {
$self->hint('newer-standards-version',
"$compliance_standard (current is $latest_normalized)")
unless $distribution =~ /backports/;
} else {
$self->hint('invalid-standards-version', $compliance_standard);
}
return;
}
my $compliance_epoch = $policy_releases->epoch($compliance_standard);
my $changelog_date = strftime($DATE_ONLY, gmtime $changelog_epoch);
my $compliance_date = strftime($DATE_ONLY, gmtime $compliance_epoch);
my $changelog_timestamp= strftime($DATE_AND_TIME, gmtime $changelog_epoch);
my $compliance_timestamp
= strftime($DATE_AND_TIME, gmtime $compliance_epoch);
# catch packages dated prior to release of their standard
if ($compliance_epoch > $changelog_epoch) {
# show precision if needed
my $warp_illustration = "($changelog_date < $compliance_date)";
$warp_illustration = "($changelog_timestamp < $compliance_timestamp)"
if $changelog_date eq $compliance_date;
$self->hint('timewarp-standards-version', $warp_illustration)
unless $distribution eq 'UNRELEASED';
}
my @newer_versions = List::SomeUtils::before {
$policy_releases->epoch($_) <= $compliance_epoch
}
@{$policy_releases->ordered_versions};
# a fourth digit is a non-normative change in policy
my @newer_normative_versions
= grep { /^ \d+ [.] \d+ [.] \d+ (?:[.] 0)? $/sx } @newer_versions;
my @newer_normative_epochs
= map { $policy_releases->epoch($_) } @newer_normative_versions;
my @normative_epochs_then_known
= grep { $_ <= $changelog_epoch } @newer_normative_epochs;
my $outdated_illustration
= "$compliance_standard (released $compliance_date) (current is $latest_normalized)";
# use normative to prevent tag changes on minor new policy edits
$self->hint('out-of-date-standards-version', $outdated_illustration)
if @normative_epochs_then_known;
return;
}
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
|
