/usr/share/lintian/checks/watch-file.pm is in lintian 2.5.30+deb8u4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 | # watch-file -- lintian check script -*- perl -*-
#
# Copyright (C) 2008 Patrick Schoenfeld
# Copyright (C) 2008 Russ Allbery
# Copyright (C) 2008 Raphael Geissert
#
# 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::watch_file;
use strict;
use warnings;
use autodie;
use Lintian::Tags qw(tag);
sub run {
my (undef, undef, $info) = @_;
my $template = 0;
my $withgpgverification = 0;
my $wfile = $info->index_resolved_path('debian/watch');
my ($repack, $prerelease, $watchver, %dversions);
if (not $wfile or not $wfile->is_open_ok) {
tag 'debian-watch-file-is-missing' unless ($info->native);
return;
}
# Perform the other checks even if it is a native package
tag 'debian-watch-file-in-native-package' if ($info->native);
# Check if the Debian version contains anything that resembles a repackaged
# source package sign, for fine grained version mangling check
# If the version field is missing, we assume a neutral non-native one.
my $version = $info->field('version', '0-1');
$version = '0-1' unless defined $version;
if ($version =~ /(dfsg|debian|ds)/) {
$repack = $1;
}
if ($version =~ /(alpha|beta|rc)/i) {
$prerelease = $1;
}
# Gather information from the watch file and look for problems we can
# diagnose on the first time through.
my $fd = $wfile->open;
local $_;
while (<$fd>) {
$template = 1 if m/^\s*\#\s*Example watch control file for uscan/io;
next if /^\s*\#/;
next if /^\s*$/;
s/^\s*//;
CHOMP:
chomp;
if (s/(?<!\\)\\$//) {
# This is caught by uscan.
last if eof($fd);
$_ .= <$fd>;
goto CHOMP;
}
if (/^version\s*=\s*(\d+)(?:\s|\Z)/) {
if (defined $watchver) {
tag 'debian-watch-file-declares-multiple-versions', "line $.";
}
$watchver = $1;
if ($watchver ne '2' and $watchver ne '3') {
tag 'debian-watch-file-unknown-version', $watchver;
}
} else {
unless (defined($watchver)) {
tag 'debian-watch-file-missing-version';
$watchver = 1;
}
# Version 1 watch files are too broken to try checking them.
next if ($watchver == 1);
my (
$repack_mangle, $repack_dmangle,
$prerelease_mangle, $prerelease_umangle
) = (0, 0, 0, 0);
my ($opts, @opts);
if ( s/^opt(?:ion)?s=\"([^\"]+)\"\s+//
|| s/^opt(?:ion)?s=(\S+)\s+//) {
$opts = $1;
@opts = split(',', $opts);
for (@opts) {
$repack_mangle = 1
if defined $repack
and /^[ud]?versionmangle\s*=.*$repack/;
$repack_dmangle = 1
if defined $repack
and /^dversionmangle\s*=.*$repack/;
$prerelease_mangle = 1
if defined $prerelease
and /^[ud]?versionmangle\s*=.*$prerelease/;
$prerelease_umangle = 1
if defined $prerelease
and /^uversionmangle\s*=.*$prerelease/;
$withgpgverification = 1
if /^pgpsigurlmangle\s*=\s*/;
}
}
if (m%qa\.debian\.org/watch/sf\.php\?%) {
tag 'debian-watch-file-uses-deprecated-sf-redirector-method',
"line $.";
}
if (
m{ (?:https?|ftp)://
(?:(?:.+\.)?dl|(?:pr)?downloads?|ftp\d?|upload) \.
(?:sourceforge|sf)\.net}xsm
or m{https?://(?:www\.)?(?:sourceforge|sf)\.net
/project/showfiles\.php}xsm
or m{https?://(?:www\.)?(?:sourceforge|sf)\.net
/projects/.+/files}xsm
) {
tag 'debian-watch-file-should-use-sf-redirector', "line $.";
}
# This bit is as-is from uscan.pl:
my ($base, $filepattern, $lastversion, $action) = split ' ', $_, 4;
# Per #765995, $base might be undefined.
next unless defined($base);
if ($base =~ s%/([^/]*\([^/]*\)[^/]*)$%/%) {
# Last component of $base has a pair of parentheses, so no
# separate filepattern field; we remove the filepattern from the
# end of $base and rescan the rest of the line
$filepattern = $1;
(undef, $lastversion, $action) = split ' ', $_, 3;
}
push @{$dversions{$lastversion}}, $. if (defined($lastversion));
$lastversion = 'debian' unless (defined($lastversion));
my $needs_repack_mangling = ($repack and $lastversion eq 'debian');
# If the version of the package contains dfsg, assume that it needs
# to be mangled to get reasonable matches with upstream.
if ($needs_repack_mangling and not $repack_mangle) {
tag 'debian-watch-file-should-mangle-version', "line $.";
}
if ( $needs_repack_mangling
and $repack_mangle
and not $repack_dmangle) {
tag
'debian-watch-file-should-dversionmangle-not-uversionmangle',
"line $.";
}
my $needs_prerelease_mangling
= ($prerelease and $lastversion eq 'debian');
if ( $needs_prerelease_mangling
and $prerelease_mangle
and not $prerelease_umangle) {
tag
'debian-watch-file-should-uversionmangle-not-dversionmangle',
"line $.";
}
}
}
close($fd);
tag 'debian-watch-contains-dh_make-template' if ($template);
tag 'debian-watch-may-check-gpg-signature' unless ($withgpgverification);
if ($withgpgverification) {
my @key_names = (
qw(upstream-signing-key.pgp upstream/signing-key.pgp
upstream/signing-key.asc)
);
my $found = 0;
for my $key_name (@key_names) {
my $path = $info->index_resolved_path("debian/$key_name");
if ($path and $path->is_file) {
$found = 1;
last;
}
}
if (not $found) {
tag 'debian-watch-file-pubkey-file-is-missing';
}
}
my $changes = $info->changelog;
if (defined $changes and %dversions) {
my $data = $changes->data;
my %changelog_versions;
my $count = 1;
for my $entry (@{$data}) {
my $uversion = $entry->Version;
$uversion =~ s/-[^-]+$//; # revision
$uversion =~ s/^\d+://; # epoch
$changelog_versions{'orig'}{$entry->Version} = $count;
# Preserve the first value here to correctly detect old versions.
$changelog_versions{'mangled'}{$uversion} = $count
unless (exists($changelog_versions{'mangled'}{$uversion}));
$count++;
}
while (my ($dversion, $lines) = each %dversions) {
next if (!defined($dversion) || $dversion eq 'debian');
local $" = ', ';
if (!$info->native
&& exists($changelog_versions{'orig'}{$dversion})) {
tag 'debian-watch-file-specifies-wrong-upstream-version',
$dversion, "line @{$lines}";
next;
}
if (exists($changelog_versions{'mangled'}{$dversion})
&& $changelog_versions{'mangled'}{$dversion} != 1) {
tag 'debian-watch-file-specifies-old-upstream-version',
$dversion, "line @{$lines}";
next;
}
}
}
return;
}
1;
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