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#!/usr/bin/perl
#
# dpkg-genchanges
#
# Copyright © 1996 Ian Jackson
# Copyright © 2000,2001 Wichert Akkerman
# Copyright © 2006-2014 Guillem Jover <guillem@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/>.
use strict;
use warnings;
use List::Util qw(any all none);
use POSIX qw(:errno_h :locale_h);
use Dpkg ();
use Dpkg::Gettext;
use Dpkg::File;
use Dpkg::Checksums;
use Dpkg::ErrorHandling;
use Dpkg::BuildTypes;
use Dpkg::BuildProfiles qw(get_build_profiles parse_build_profiles
evaluate_restriction_formula);
use Dpkg::Arch qw(get_host_arch debarch_eq debarch_is debarch_list_parse);
use Dpkg::Compression;
use Dpkg::Control::Info;
use Dpkg::Control::Fields;
use Dpkg::Control;
use Dpkg::Substvars;
use Dpkg::Package;
use Dpkg::Changelog::Parse;
use Dpkg::Dist::Files;
use Dpkg::Version;
use Dpkg::Vendor qw(run_vendor_hook);
textdomain('dpkg-dev');
my $controlfile = 'debian/control';
my $changelogfile = 'debian/changelog';
my $changelogformat;
my $fileslistfile = 'debian/files';
my $outputfile;
my $uploadfilesdir = '..';
my $sourcestyle = 'i';
my $quiet = 0;
my $host_arch = get_host_arch();
my @profiles = get_build_profiles();
my $changes_format = '1.8';
# Package to file map, has entries for "packagename".
my %pkg2file;
# Package to section map, from control file.
my %file2ctrlsec;
# Package to priority map, from control file.
my %file2ctrlpri;
# Default values taken from source (used for Section, Priority and Maintainer).
my %sourcedefault;
my @descriptions;
my $checksums = Dpkg::Checksums->new();
my %remove; # - fields to remove
my %override;
my %archadded;
my @archvalues;
my $changesdescription;
my $forcemaint;
my $forcechangedby;
my $since;
my $substvars_loaded = 0;
my $substvars = Dpkg::Substvars->new();
$substvars->set_as_auto('Format', $changes_format);
sub version {
printf g_("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION;
printf g_('
This is free software; see the GNU General Public License version 2 or
later for copying conditions. There is NO warranty.
');
}
sub usage {
printf g_(
'Usage: %s [<option>...]')
. "\n\n" . g_(
"Options:
--build=<type>[,...] specify the build <type>: full, source, binary,
any, all (default is \'full\').
-g source and arch-indep build.
-G source and arch-specific build.
-b binary-only, no source files.
-B binary-only, only arch-specific files.
-A binary-only, only arch-indep files.
-S source-only, no binary files.
-c<control-file> get control info from this file.
-l<changelog-file> get per-version info from this file.
-f<files-list-file> get .deb files list from this file.
-v<since-version> include all changes later than version.
-C<changes-description> use change description from this file.
-m<maintainer> override control's maintainer value.
-e<maintainer> override changelog's maintainer value.
-u<upload-files-dir> directory with files (default is '..').
-si source includes orig, if new upstream (default).
-sa source includes orig, always.
-sd source is diff and .dsc only.
-q quiet - no informational messages on stderr.
-F<changelog-format> force changelog format.
-V<name>=<value> set a substitution variable.
-T<substvars-file> read variables here, not debian/substvars.
-D<field>=<value> override or add a field and value.
-U<field> remove a field.
-O[<filename>] write to stdout (default) or <filename>.
-?, --help show this help message.
--version show the version.
"), $Dpkg::PROGNAME;
}
sub format_desc
{
my ($pkgname, $pkgtype, $desc) = @_;
# XXX: This does not correctly truncate characters based on their width,
# but on the number of characters which will not work for wide ones. But
# we do not have anything better in perl core.
utf8::decode($desc);
my $line = sprintf '%-10s - %-.65s', $pkgname, $desc;
utf8::encode($line);
$line .= " ($pkgtype)" if $pkgtype ne 'deb';
return $line;
}
while (@ARGV) {
$_ = shift @ARGV;
if (m/^--build=(.*)$/) {
set_build_type_from_options($1, $_);
} elsif (m/^-b$/) {
set_build_type(BUILD_BINARY, $_);
} elsif (m/^-B$/) {
set_build_type(BUILD_ARCH_DEP, $_);
} elsif (m/^-A$/) {
set_build_type(BUILD_ARCH_INDEP, $_);
} elsif (m/^-S$/) {
set_build_type(BUILD_SOURCE, $_);
} elsif (m/^-G$/) {
set_build_type(BUILD_SOURCE | BUILD_ARCH_DEP, $_);
} elsif (m/^-g$/) {
set_build_type(BUILD_SOURCE | BUILD_ARCH_INDEP, $_);
} elsif (m/^-s([iad])$/) {
$sourcestyle = $1;
} elsif (m/^-q$/) {
$quiet = 1;
} elsif (m/^-c(.*)$/) {
$controlfile = $1;
} elsif (m/^-l(.*)$/) {
$changelogfile = $1;
} elsif (m/^-C(.*)$/) {
$changesdescription = $1;
} elsif (m/^-f(.*)$/) {
$fileslistfile = $1;
} elsif (m/^-v(.*)$/) {
$since = $1;
} elsif (m/^-T(.*)$/) {
$substvars->load($1) if -e $1;
$substvars_loaded = 1;
} elsif (m/^-m(.*)$/s) {
$forcemaint = $1;
} elsif (m/^-e(.*)$/s) {
$forcechangedby = $1;
} elsif (m/^-F([0-9a-z]+)$/) {
$changelogformat = $1;
} elsif (m/^-D([^\=:]+)[=:](.*)$/s) {
$override{$1} = $2;
} elsif (m/^-u(.*)$/) {
$uploadfilesdir = $1;
} elsif (m/^-U([^\=:]+)$/) {
$remove{$1} = 1;
} elsif (m/^-V(\w[-:0-9A-Za-z]*)[=:](.*)$/s) {
$substvars->set($1, $2);
} elsif (m/^-O(.*)$/) {
$outputfile = $1;
} elsif (m/^-(?:\?|-help)$/) {
usage();
exit(0);
} elsif (m/^--version$/) {
version();
exit(0);
} else {
usageerr(g_("unknown option '%s'"), $_);
}
}
# Do not pollute STDOUT with info messages if the .changes file goes there.
if (not defined $outputfile) {
report_options(info_fh => \*STDERR, quiet_warnings => $quiet);
$outputfile = '-';
}
# Retrieve info from the current changelog entry
my %options = (file => $changelogfile);
$options{changelogformat} = $changelogformat if $changelogformat;
$options{since} = $since if defined($since);
my $changelog = changelog_parse(%options);
# Change options to retrieve info of the former changelog entry
delete $options{since};
$options{count} = 1;
$options{offset} = 1;
my $prev_changelog = changelog_parse(%options);
# Other initializations
my $control = Dpkg::Control::Info->new($controlfile);
my $fields = Dpkg::Control->new(type => CTRL_FILE_CHANGES);
my $sourceversion = $changelog->{'Binary-Only'} ?
$prev_changelog->{'Version'} : $changelog->{'Version'};
my $binaryversion = $changelog->{'Version'};
$substvars->set_version_substvars($sourceversion, $binaryversion);
$substvars->set_vendor_substvars();
$substvars->set_arch_substvars();
$substvars->load('debian/substvars') if -e 'debian/substvars' and not $substvars_loaded;
my $backport_version_regex = run_vendor_hook('backport-version-regex') // qr/^$/;
my $is_backport = $changelog->{'Version'} =~ m/$backport_version_regex/;
# Versions with backport markers have a lower version number by definition.
if (! $is_backport && defined $prev_changelog &&
version_compare_relation($changelog->{'Version'}, REL_LT,
$prev_changelog->{'Version'}))
{
warning(g_('the current version (%s) is earlier than the previous one (%s)'),
$changelog->{'Version'}, $prev_changelog->{'Version'});
}
# Scan control info of source package
my $src_fields = $control->get_source();
foreach my $f (keys %{$src_fields}) {
my $v = $src_fields->{$f};
if ($f eq 'Source') {
set_source_name($v);
} elsif (any { $f eq $_ } qw(Section Priority)) {
$sourcedefault{$f} = $v;
} elsif ($f eq 'Description') {
# Description in changes is computed, do not copy this field, only
# initialize the description substvars.
$substvars->set_desc_substvars($v);
} else {
field_transfer_single($src_fields, $fields, $f);
}
}
my $dist = Dpkg::Dist::Files->new();
my $origsrcmsg;
if (build_has_any(BUILD_SOURCE)) {
my $sec = $sourcedefault{'Section'} // '-';
my $pri = $sourcedefault{'Priority'} // '-';
warning(g_('missing Section for source files')) if $sec eq '-';
warning(g_('missing Priority for source files')) if $pri eq '-';
my $spackage = get_source_name();
(my $sversion = $substvars->get('source:Version')) =~ s/^\d+://;
my $dsc = "${spackage}_${sversion}.dsc";
my $dsc_pathname = "$uploadfilesdir/$dsc";
my $dsc_fields = Dpkg::Control->new(type => CTRL_DSC);
$dsc_fields->load($dsc_pathname) or error(g_('%s is empty'), $dsc_pathname);
$checksums->add_from_file($dsc_pathname, key => $dsc);
$checksums->add_from_control($dsc_fields, use_files_for_md5 => 1);
# Compare upstream version to previous upstream version to decide if
# the .orig tarballs must be included
my $include_tarball;
if (defined($prev_changelog)) {
my $cur = Dpkg::Version->new($changelog->{'Version'});
my $prev = Dpkg::Version->new($prev_changelog->{'Version'});
if ($cur->version() ne $prev->version()) {
$include_tarball = 1;
} elsif ($changelog->{'Source'} ne $prev_changelog->{'Source'}) {
$include_tarball = 1;
} else {
$include_tarball = 0;
}
} else {
# No previous entry means first upload, tarball required
$include_tarball = 1;
}
my $ext = compression_get_file_extension_regex();
if ((($sourcestyle =~ m/i/ && !$include_tarball) ||
$sourcestyle =~ m/d/) &&
any { m/\.(?:debian\.tar|diff)\.$ext$/ } $checksums->get_files())
{
$origsrcmsg = g_('not including original source code in upload');
foreach my $fn (grep { m/\.orig(-.+)?\.tar\.$ext$/ } $checksums->get_files()) {
$checksums->remove_file($fn);
$checksums->remove_file("$fn.asc");
}
} else {
if ($sourcestyle =~ m/d/ &&
none { m/\.(?:debian\.tar|diff)\.$ext$/ } $checksums->get_files()) {
warning(g_('ignoring -sd option for native Debian package'));
}
$origsrcmsg = g_('including full source code in upload');
}
push @archvalues, 'source';
# Only add attributes for files being distributed.
for my $fn ($checksums->get_files()) {
$dist->add_file($fn, $sec, $pri);
}
} elsif (build_is(BUILD_ARCH_DEP)) {
$origsrcmsg = g_('binary-only arch-specific upload ' .
'(source code and arch-indep packages not included)');
} elsif (build_is(BUILD_ARCH_INDEP)) {
$origsrcmsg = g_('binary-only arch-indep upload ' .
'(source code and arch-specific packages not included)');
} else {
$origsrcmsg = g_('binary-only upload (no source code included)');
}
my $dist_binaries = 0;
$dist->load($fileslistfile) if -e $fileslistfile;
foreach my $file ($dist->get_files()) {
my $fn = $file->{filename};
my $p = $file->{package};
my $a = $file->{arch};
if (defined $p && $file->{package_type} eq 'buildinfo') {
# We always distribute the .buildinfo file.
$checksums->add_from_file("$uploadfilesdir/$fn", key => $fn);
next;
}
# If this is a source-only upload, ignore any other artifacts.
next if build_has_none(BUILD_BINARY);
if (defined $a) {
my $arch_all = debarch_eq('all', $a);
next if build_has_none(BUILD_ARCH_INDEP) and $arch_all;
next if build_has_none(BUILD_ARCH_DEP) and not $arch_all;
push @archvalues, $a if not $archadded{$a}++;
}
if (defined $p && $file->{package_type} =~ m/^u?deb$/) {
$pkg2file{$p} //= [];
push @{$pkg2file{$p}}, $fn;
}
$checksums->add_from_file("$uploadfilesdir/$fn", key => $fn);
$dist_binaries++;
}
error(g_('binary build with no binary artifacts found; cannot distribute'))
if build_has_any(BUILD_BINARY) && $dist_binaries == 0;
# Scan control info of all binary packages
foreach my $pkg ($control->get_packages()) {
my $p = $pkg->{'Package'};
my $a = $pkg->{'Architecture'};
my $bp = $pkg->{'Build-Profiles'};
my $d = $pkg->{'Description'} || 'no description available';
$d = $1 if $d =~ /^(.*)\n/;
my $pkg_type = $pkg->{'Package-Type'} ||
$pkg->get_custom_field('Package-Type') || 'deb';
my @restrictions;
@restrictions = parse_build_profiles($bp) if defined $bp;
if (not defined $pkg2file{$p}) {
# No files for this package... warn if it's unexpected
if (((build_has_any(BUILD_ARCH_INDEP) and debarch_eq('all', $a)) or
(build_has_any(BUILD_ARCH_DEP) and
(any { debarch_is($host_arch, $_) } debarch_list_parse($a, positive => 1)))) and
(@restrictions == 0 or
evaluate_restriction_formula(\@restrictions, \@profiles)))
{
warning(g_('package %s in control file but not in files list'),
$p);
}
next; # and skip it
}
# Add description of all binary packages
$d = $substvars->substvars($d);
push @descriptions, format_desc($p, $pkg_type, $d);
# List of files for this binary package.
my @files = @{$pkg2file{$p}};
foreach my $f (keys %{$pkg}) {
my $v = $pkg->{$f};
if ($f eq 'Section') {
$file2ctrlsec{$_} = $v foreach @files;
} elsif ($f eq 'Priority') {
$file2ctrlpri{$_} = $v foreach @files;
} elsif ($f eq 'Architecture') {
if (build_has_any(BUILD_ARCH_DEP) and
(any { debarch_is($host_arch, $_) } debarch_list_parse($v, positive => 1))) {
$v = $host_arch;
} elsif (!debarch_eq('all', $v)) {
$v = '';
}
push(@archvalues, $v) if $v and not $archadded{$v}++;
} elsif ($f eq 'Description') {
# Description in changes is computed, do not copy this field
} else {
field_transfer_single($pkg, $fields, $f);
}
}
}
# Scan fields of dpkg-parsechangelog
foreach my $f (keys %{$changelog}) {
my $v = $changelog->{$f};
if ($f eq 'Source') {
set_source_name($v);
} elsif ($f eq 'Maintainer') {
$fields->{'Changed-By'} = $v;
} else {
field_transfer_single($changelog, $fields, $f);
}
}
if ($changesdescription) {
$fields->{'Changes'} = "\n" . file_slurp($changesdescription);
}
for my $p (keys %pkg2file) {
if (not defined $control->get_pkg_by_name($p)) {
# Skip automatically generated packages (such as debugging symbol
# packages), by using the Auto-Built-Package field.
next if all {
my $file = $dist->get_file($_);
$file->{attrs}->{automatic} eq 'yes'
} @{$pkg2file{$p}};
warning(g_('package %s listed in files list but not in control info'), $p);
next;
}
foreach my $fn (@{$pkg2file{$p}}) {
my $file = $dist->get_file($fn);
my $sec = $file2ctrlsec{$fn} || $sourcedefault{'Section'} // '-';
if ($sec eq '-') {
warning(g_("missing Section for binary package %s; using '-'"), $p);
}
if ($sec ne $file->{section}) {
error(g_('package %s has section %s in control file but %s in ' .
'files list'), $p, $sec, $file->{section});
}
my $pri = $file2ctrlpri{$fn} || $sourcedefault{'Priority'} // '-';
if ($pri eq '-') {
warning(g_("missing Priority for binary package %s; using '-'"), $p);
}
if ($pri ne $file->{priority}) {
error(g_('package %s has priority %s in control file but %s in ' .
'files list'), $p, $pri, $file->{priority});
}
}
}
info($origsrcmsg);
$fields->{'Format'} = $substvars->get('Format');
if (length $fields->{'Date'} == 0) {
setlocale(LC_TIME, 'C');
$fields->{'Date'} = POSIX::strftime('%a, %d %b %Y %T %z', localtime);
setlocale(LC_TIME, '');
}
$fields->{'Binary'} = join ' ', sort keys %pkg2file;
# Avoid overly long line by splitting over multiple lines
if (length($fields->{'Binary'}) > 980) {
$fields->{'Binary'} =~ s/(.{0,980}) /$1\n/g;
}
$fields->{'Architecture'} = join ' ', @archvalues;
$fields->{'Built-For-Profiles'} = join ' ', get_build_profiles();
$fields->{'Description'} = "\n" . join("\n", sort @descriptions);
$fields->{'Files'} = '';
foreach my $fn ($checksums->get_files()) {
my $file = $dist->get_file($fn);
$fields->{'Files'} .= "\n" . $checksums->get_checksum($fn, 'md5') .
' ' . $checksums->get_size($fn) .
" $file->{section} $file->{priority} $fn";
}
$checksums->export_to_control($fields);
# redundant with the Files field
delete $fields->{'Checksums-Md5'};
$fields->{'Source'} = get_source_name();
if ($fields->{'Version'} ne $substvars->get('source:Version')) {
$fields->{'Source'} .= ' (' . $substvars->get('source:Version') . ')';
}
$fields->{'Maintainer'} = $forcemaint if defined($forcemaint);
$fields->{'Changed-By'} = $forcechangedby if defined($forcechangedby);
for my $f (qw(Version Distribution Maintainer Changes)) {
error(g_('missing information for critical output field %s'), $f)
unless defined $fields->{$f};
}
for my $f (qw(Urgency)) {
warning(g_('missing information for output field %s'), $f)
unless defined $fields->{$f};
}
for my $f (keys %override) {
$fields->{$f} = $override{$f};
}
for my $f (keys %remove) {
delete $fields->{$f};
}
# Note: do not perform substitution of variables, one of the reasons is that
# they could interfere with field values, for example the Changes field.
$fields->save($outputfile);