/usr/share/perl5/Dpkg/Source/Package/V3/Quilt.pm is in libdpkg-perl 1.17.5ubuntu5.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 | # Copyright © 2008-2012 Raphaël Hertzog <hertzog@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, see <https://www.gnu.org/licenses/>.
package Dpkg::Source::Package::V3::Quilt;
use strict;
use warnings;
our $VERSION = '0.01';
# Based on wig&pen implementation
use parent qw(Dpkg::Source::Package::V2);
use Dpkg;
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::Util qw(:list);
use Dpkg::Version;
use Dpkg::Source::Patch;
use Dpkg::Source::Functions qw(erasedir fs_time);
use Dpkg::Source::Quilt;
use Dpkg::Exit;
use File::Spec;
use File::Copy;
our $CURRENT_MINOR_VERSION = '0';
sub init_options {
my ($self) = @_;
$self->{options}{single_debian_patch} = 0
unless exists $self->{options}{single_debian_patch};
$self->{options}{allow_version_of_quilt_db} = []
unless exists $self->{options}{allow_version_of_quilt_db};
$self->SUPER::init_options();
}
sub parse_cmdline_option {
my ($self, $opt) = @_;
return 1 if $self->SUPER::parse_cmdline_option($opt);
if ($opt =~ /^--single-debian-patch$/) {
$self->{options}{single_debian_patch} = 1;
# For backwards compatibility.
$self->{options}{auto_commit} = 1;
return 1;
} elsif ($opt =~ /^--allow-version-of-quilt-db=(.*)$/) {
push @{$self->{options}{allow_version_of_quilt_db}}, $1;
return 1;
}
return 0;
}
sub build_quilt_object {
my ($self, $dir) = @_;
return $self->{quilt}{$dir} if exists $self->{quilt}{$dir};
$self->{quilt}{$dir} = Dpkg::Source::Quilt->new($dir);
return $self->{quilt}{$dir};
}
sub can_build {
my ($self, $dir) = @_;
my ($code, $msg) = $self->SUPER::can_build($dir);
return ($code, $msg) if $code == 0;
my $v = Dpkg::Version->new($self->{fields}->{'Version'});
warning (_g('version does not contain a revision')) if $v->is_native();
my $quilt = $self->build_quilt_object($dir);
$msg = $quilt->find_problems();
return (0, $msg) if $msg;
return 1;
}
sub get_autopatch_name {
my ($self) = @_;
if ($self->{options}{single_debian_patch}) {
return 'debian-changes';
} else {
return 'debian-changes-' . $self->{fields}{'Version'};
}
}
sub apply_patches {
my ($self, $dir, %opts) = @_;
if ($opts{usage} eq 'unpack') {
$opts{verbose} = 1;
} elsif ($opts{usage} eq 'build') {
$opts{warn_options} = 1;
$opts{verbose} = 0;
}
my $quilt = $self->build_quilt_object($dir);
$quilt->load_series(%opts) if $opts{warn_options}; # Trigger warnings
# Always create the quilt db so that if the maintainer calls quilt to
# create a patch, it's stored in the right directory
$quilt->write_db();
# Update debian/patches/series symlink if needed to allow quilt usage
my $series = $quilt->get_series_file();
my $basename = (File::Spec->splitpath($series))[2];
if ($basename ne 'series') {
my $dest = $quilt->get_patch_file('series');
unlink($dest) if -l $dest;
unless (-f _) { # Don't overwrite real files
symlink($basename, $dest)
or syserr(_g("can't create symlink %s"), $dest);
}
}
return unless scalar($quilt->series());
if ($opts{usage} eq 'preparation' and
$self->{options}{unapply_patches} eq 'auto') {
# We're applying the patches in --before-build, remember to unapply
# them afterwards in --after-build
my $pc_unapply = $quilt->get_db_file('.dpkg-source-unapply');
open(my $unapply_fh, '>', $pc_unapply)
or syserr(_g('cannot write %s'), $pc_unapply);
close($unapply_fh);
}
# Apply patches
my $pc_applied = $quilt->get_db_file('applied-patches');
$opts{timestamp} = fs_time($pc_applied);
if ($opts{skip_auto}) {
my $auto_patch = $self->get_autopatch_name();
$quilt->push(%opts) while ($quilt->next() and $quilt->next() ne $auto_patch);
} else {
$quilt->push(%opts) while $quilt->next();
}
}
sub unapply_patches {
my ($self, $dir, %opts) = @_;
my $quilt = $self->build_quilt_object($dir);
$opts{verbose} //= 1;
my $pc_applied = $quilt->get_db_file('applied-patches');
my @applied = $quilt->applied();
$opts{timestamp} = fs_time($pc_applied) if @applied;
$quilt->pop(%opts) while $quilt->top();
erasedir($quilt->get_db_dir());
}
sub prepare_build {
my ($self, $dir) = @_;
$self->SUPER::prepare_build($dir);
# Skip .pc directories of quilt by default and ignore difference
# on debian/patches/series symlinks and d/p/.dpkg-source-applied
# stamp file created by ourselves
my $func = sub {
return 1 if $_[0] =~ m{^debian/patches/series$} and -l $_[0];
return 1 if $_[0] =~ /^\.pc(\/|$)/;
return 1 if $_[0] =~ /$self->{options}{diff_ignore_regex}/;
return 0;
};
$self->{diff_options}{diff_ignore_func} = $func;
}
sub do_build {
my ($self, $dir) = @_;
my $quilt = $self->build_quilt_object($dir);
my $version = $quilt->get_db_version();
if (defined($version) and $version != 2) {
if (any { $version eq $_ }
@{$self->{options}{allow_version_of_quilt_db}})
{
warning(_g('unsupported version of the quilt metadata: %s'), $version);
} else {
error(_g('unsupported version of the quilt metadata: %s'), $version);
}
}
$self->SUPER::do_build($dir);
}
sub after_build {
my ($self, $dir) = @_;
my $quilt = $self->build_quilt_object($dir);
my $pc_unapply = $quilt->get_db_file('.dpkg-source-unapply');
my $opt_unapply = $self->{options}{unapply_patches};
if (($opt_unapply eq 'auto' and -e $pc_unapply) or $opt_unapply eq 'yes') {
unlink($pc_unapply);
$self->unapply_patches($dir);
}
}
sub check_patches_applied {
my ($self, $dir) = @_;
my $quilt = $self->build_quilt_object($dir);
my $next = $quilt->next();
return if not defined $next;
my $first_patch = File::Spec->catfile($dir, 'debian', 'patches', $next);
my $patch_obj = Dpkg::Source::Patch->new(filename => $first_patch);
return unless $patch_obj->check_apply($dir);
$self->apply_patches($dir, usage => 'preparation', verbose => 1);
}
sub _add_line {
my ($file, $line) = @_;
open(my $file_fh, '>>', $file) or syserr(_g('cannot write %s'), $file);
print { $file_fh } "$line\n";
close($file_fh);
}
sub _drop_line {
my ($file, $re) = @_;
open(my $file_fh, '<', $file) or syserr(_g('cannot read %s'), $file);
my @lines = <$file_fh>;
close($file_fh);
open($file_fh, '>', $file) or syserr(_g('cannot write %s'), $file);
print { $file_fh } $_ foreach grep { not /^\Q$re\E\s*$/ } @lines;
close($file_fh);
}
sub register_patch {
my ($self, $dir, $tmpdiff, $patch_name) = @_;
my $quilt = $self->build_quilt_object($dir);
my @patches = $quilt->series();
my $has_patch = (grep { $_ eq $patch_name } @patches) ? 1 : 0;
my $series = $quilt->get_series_file();
my $applied = $quilt->get_db_file('applied-patches');
my $patch = $quilt->get_patch_file($patch_name);
if (-s $tmpdiff) {
copy($tmpdiff, $patch)
or syserr(_g('failed to copy %s to %s'), $tmpdiff, $patch);
chmod(0666 & ~ umask(), $patch)
or syserr(_g("unable to change permission of `%s'"), $patch);
} elsif (-e $patch) {
unlink($patch) or syserr(_g('cannot remove %s'), $patch);
}
if (-e $patch) {
$quilt->setup_db();
# Add patch to series file
if (not $has_patch) {
_add_line($series, $patch_name);
_add_line($applied, $patch_name);
$quilt->load_series();
$quilt->load_db();
}
# Ensure quilt meta-data are created and in sync with some trickery:
# reverse-apply the patch, drop .pc/$patch, re-apply it
# with the correct options to recreate the backup files
$quilt->pop(reverse_apply => 1);
$quilt->push();
} else {
# Remove auto_patch from series
if ($has_patch) {
_drop_line($series, $patch_name);
_drop_line($applied, $patch_name);
erasedir($quilt->get_db_file($patch_name));
$quilt->load_db();
$quilt->load_series();
}
# Clean up empty series
unlink($series) if -z $series;
}
return $patch;
}
1;
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