From cbffab246997fb5a06211dfb706b54e5ae5bb59f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:58:51 +0200
Subject: Adding upstream version 1.21.22.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 scripts/dpkg-gencontrol.pl | 436 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 436 insertions(+)
 create mode 100755 scripts/dpkg-gencontrol.pl

(limited to 'scripts/dpkg-gencontrol.pl')

diff --git a/scripts/dpkg-gencontrol.pl b/scripts/dpkg-gencontrol.pl
new file mode 100755
index 0000000..87eb6e6
--- /dev/null
+++ b/scripts/dpkg-gencontrol.pl
@@ -0,0 +1,436 @@
+#!/usr/bin/perl
+#
+# dpkg-gencontrol
+#
+# Copyright © 1996 Ian Jackson
+# Copyright © 2000,2002 Wichert Akkerman
+# Copyright © 2006-2015 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(none);
+use POSIX qw(:errno_h :fcntl_h);
+use File::Find;
+
+use Dpkg ();
+use Dpkg::Gettext;
+use Dpkg::ErrorHandling;
+use Dpkg::Lock;
+use Dpkg::Arch qw(get_host_arch debarch_eq debarch_is debarch_list_parse);
+use Dpkg::Package;
+use Dpkg::BuildProfiles qw(get_build_profiles);
+use Dpkg::Deps;
+use Dpkg::Control;
+use Dpkg::Control::Info;
+use Dpkg::Control::Fields;
+use Dpkg::Substvars;
+use Dpkg::Vars;
+use Dpkg::Changelog::Parse;
+use Dpkg::Dist::Files;
+
+textdomain('dpkg-dev');
+
+
+my $controlfile = 'debian/control';
+my $changelogfile = 'debian/changelog';
+my $changelogformat;
+my $fileslistfile = 'debian/files';
+my $packagebuilddir = 'debian/tmp';
+my $outputfile;
+
+my $sourceversion;
+my $binaryversion;
+my $forceversion;
+my $forcefilename;
+my $stdout;
+my %remove;
+my %override;
+my $oppackage;
+my $substvars = Dpkg::Substvars->new();
+my $substvars_loaded = 0;
+
+
+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:
+  -p<package>              print control file for package.
+  -c<control-file>         get control info from this file.
+  -l<changelog-file>       get per-version info from this file.
+  -F<changelog-format>     force changelog format.
+  -v<force-version>        set version of binary package.
+  -f<files-list-file>      write files here instead of debian/files.
+  -P<package-build-dir>    temporary build directory instead of debian/tmp.
+  -n<filename>             assume the package filename will be <filename>.
+  -O[<file>]               write to stdout (or <file>), not .../DEBIAN/control.
+  -is, -ip, -isp, -ips     deprecated, ignored for compatibility.
+  -D<field>=<value>        override or add a field and value.
+  -U<field>                remove a field.
+  -V<name>=<value>         set a substitution variable.
+  -T<substvars-file>       read variables here, not debian/substvars.
+  -?, --help               show this help message.
+      --version            show the version.
+'), $Dpkg::PROGNAME;
+}
+
+while (@ARGV) {
+    $_ = shift @ARGV;
+    if (m/^-p/p) {
+        $oppackage = ${^POSTMATCH};
+        my $err = pkg_name_is_illegal($oppackage);
+        error(g_("illegal package name '%s': %s"), $oppackage, $err) if $err;
+    } elsif (m/^-c/p) {
+        $controlfile = ${^POSTMATCH};
+    } elsif (m/^-l/p) {
+        $changelogfile = ${^POSTMATCH};
+    } elsif (m/^-P/p) {
+        $packagebuilddir = ${^POSTMATCH};
+    } elsif (m/^-f/p) {
+        $fileslistfile = ${^POSTMATCH};
+    } elsif (m/^-v(.+)$/) {
+        $forceversion = $1;
+    } elsif (m/^-O$/) {
+        $stdout = 1;
+    } elsif (m/^-O(.+)$/) {
+        $outputfile = $1;
+    } elsif (m/^-i[sp][sp]?$/) {
+        warning(g_('%s is deprecated; it is without effect'), $_);
+    } elsif (m/^-F([0-9a-z]+)$/) {
+        $changelogformat = $1;
+    } elsif (m/^-D([^\=:]+)[=:]/p) {
+        $override{$1} = ${^POSTMATCH};
+    } elsif (m/^-U([^\=:]+)$/) {
+        $remove{$1} = 1;
+    } elsif (m/^-V(\w[-:0-9A-Za-z]*)[=:]/p) {
+        $substvars->set_as_used($1, ${^POSTMATCH});
+    } elsif (m/^-T(.*)$/) {
+	$substvars->load($1) if -e $1;
+	$substvars_loaded = 1;
+    } elsif (m/^-n/p) {
+        $forcefilename = ${^POSTMATCH};
+    } elsif (m/^-(?:\?|-help)$/) {
+        usage();
+        exit(0);
+    } elsif (m/^--version$/) {
+        version();
+        exit(0);
+    } else {
+        usageerr(g_("unknown option '%s'"), $_);
+    }
+}
+
+umask 0022; # ensure sane default permissions for created files
+my %options = (file => $changelogfile);
+$options{changelogformat} = $changelogformat if $changelogformat;
+my $changelog = changelog_parse(%options);
+if ($changelog->{'Binary-Only'}) {
+    $options{count} = 1;
+    $options{offset} = 1;
+    my $prev_changelog = changelog_parse(%options);
+    $sourceversion = $prev_changelog->{'Version'};
+} else {
+    $sourceversion = $changelog->{'Version'};
+}
+
+if (defined $forceversion) {
+    $binaryversion = $forceversion;
+} else {
+    $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 $control = Dpkg::Control::Info->new($controlfile);
+my $fields = Dpkg::Control->new(type => CTRL_PKG_DEB);
+
+# Old-style bin-nmus change the source version submitted to
+# set_version_substvars()
+$sourceversion = $substvars->get('source:Version');
+
+my $pkg;
+
+if (defined($oppackage)) {
+    $pkg = $control->get_pkg_by_name($oppackage);
+    if (not defined $pkg) {
+        error(g_('package %s not in control info'), $oppackage)
+    }
+} else {
+    my @packages = map { $_->{'Package'} } $control->get_packages();
+    if (@packages == 0) {
+        error(g_('no package stanza found in control info'));
+    } elsif (@packages > 1) {
+        error(g_('must specify package since control info has many (%s)'),
+              "@packages");
+    }
+    $pkg = $control->get_pkg_by_idx(1);
+}
+$substvars->set_msg_prefix(sprintf(g_('package %s: '), $pkg->{Package}));
+
+# Scan source package
+my $src_fields = $control->get_source();
+foreach (keys %{$src_fields}) {
+    if (m/^Source$/) {
+	set_source_package($src_fields->{$_});
+    } elsif (m/^Description$/) {
+        # Description in binary packages is not inherited, do not copy this
+        # field, only initialize the description substvars.
+        $substvars->set_desc_substvars($src_fields->{$_});
+    } else {
+        field_transfer_single($src_fields, $fields);
+    }
+}
+$substvars->set_field_substvars($src_fields, 'S');
+
+# Scan binary package
+foreach (keys %{$pkg}) {
+    my $v = $pkg->{$_};
+    if (field_get_dep_type($_)) {
+	# Delay the parsing until later
+    } elsif (m/^Architecture$/) {
+	my $host_arch = get_host_arch();
+
+	if (debarch_eq('all', $v)) {
+	    $fields->{$_} = $v;
+	} else {
+	    my @archlist = debarch_list_parse($v, positive => 1);
+
+	    if (none { debarch_is($host_arch, $_) } @archlist) {
+		error(g_("current host architecture '%s' does not " .
+			 "appear in package '%s' architecture list (%s)"),
+		      $host_arch, $oppackage, "@archlist");
+	    }
+	    $fields->{$_} = $host_arch;
+	}
+    } else {
+        field_transfer_single($pkg, $fields);
+    }
+}
+
+# Scan fields of dpkg-parsechangelog
+foreach (keys %{$changelog}) {
+    my $v = $changelog->{$_};
+
+    if (m/^Source$/) {
+	set_source_package($v);
+    } elsif (m/^Version$/) {
+        # Already handled previously.
+    } elsif (m/^Maintainer$/) {
+        # That field must not be copied from changelog even if it's
+        # allowed in the binary package control information
+    } else {
+        field_transfer_single($changelog, $fields);
+    }
+}
+
+$fields->{'Version'} = $binaryversion;
+
+# Process dependency fields in a second pass, now that substvars have been
+# initialized.
+
+my $facts = Dpkg::Deps::KnownFacts->new();
+$facts->add_installed_package($fields->{'Package'}, $fields->{'Version'},
+                              $fields->{'Architecture'}, $fields->{'Multi-Arch'});
+if (exists $pkg->{'Provides'}) {
+    my $provides = deps_parse($substvars->substvars($pkg->{'Provides'}, no_warn => 1),
+                              reduce_restrictions => 1, virtual => 1, union => 1);
+    if (defined $provides) {
+	foreach my $subdep ($provides->get_deps()) {
+	    if ($subdep->isa('Dpkg::Deps::Simple')) {
+		$facts->add_provided_package($subdep->{package},
+                        $subdep->{relation}, $subdep->{version},
+                        $fields->{'Package'});
+	    }
+	}
+    }
+}
+
+my (@seen_deps);
+foreach my $field (field_list_pkg_dep()) {
+    # Arch: all can't be simplified as the host architecture is not known
+    my $reduce_arch = debarch_eq('all', $pkg->{Architecture} || 'all') ? 0 : 1;
+    if (exists $pkg->{$field}) {
+	my $dep;
+	my $field_value = $substvars->substvars($pkg->{$field},
+	    msg_prefix => sprintf(g_('%s field of package %s: '), $field, $pkg->{Package}));
+	if (field_get_dep_type($field) eq 'normal') {
+	    $dep = deps_parse($field_value, use_arch => 1,
+	                      reduce_arch => $reduce_arch,
+	                      reduce_profiles => 1);
+            error(g_("parsing package '%s' %s field: %s"), $oppackage,
+                  $field, $field_value) unless defined $dep;
+	    $dep->simplify_deps($facts, @seen_deps);
+	    # Remember normal deps to simplify even further weaker deps
+	    push @seen_deps, $dep;
+	} else {
+	    $dep = deps_parse($field_value, use_arch => 1,
+	                      reduce_arch => $reduce_arch,
+	                      reduce_profiles => 1, union => 1);
+            error(g_("parsing package '%s' %s field: %s"), $oppackage,
+                  $field, $field_value) unless defined $dep;
+	    $dep->simplify_deps($facts);
+            $dep->sort();
+	}
+	error(g_('the %s field contains an arch-specific dependency but the ' .
+	         "package '%s' is architecture all"), $field, $oppackage)
+	    if $dep->has_arch_restriction();
+	$fields->{$field} = $dep->output();
+	delete $fields->{$field} unless $fields->{$field}; # Delete empty field
+    }
+}
+
+for my $f (qw(Package Version Architecture)) {
+    error(g_('missing information for output field %s'), $f)
+        unless defined $fields->{$f};
+}
+for my $f (qw(Maintainer Description)) {
+    warning(g_('missing information for output field %s'), $f)
+        unless defined $fields->{$f};
+}
+
+my $pkg_type = $pkg->{'Package-Type'} ||
+               $pkg->get_custom_field('Package-Type') || 'deb';
+
+if ($pkg_type eq 'udeb') {
+    delete $fields->{'Package-Type'};
+    delete $fields->{'Homepage'};
+} else {
+    for my $f (qw(Subarchitecture Kernel-Version Installer-Menu-Item)) {
+        warning(g_("%s package '%s' with udeb specific field %s"),
+                $pkg_type, $oppackage, $f)
+            if defined($fields->{$f});
+    }
+}
+
+my $sourcepackage = get_source_package();
+my $binarypackage = $override{'Package'} // $fields->{'Package'};
+my $verdiff = $binaryversion ne $sourceversion;
+if ($binarypackage ne $sourcepackage || $verdiff) {
+    $fields->{'Source'} = $sourcepackage;
+    $fields->{'Source'} .= ' (' . $sourceversion . ')' if $verdiff;
+}
+
+if (!defined($substvars->get('Installed-Size'))) {
+    my $installed_size = 0;
+    my %hardlink;
+    my $scan_installed_size = sub {
+        lstat or syserr(g_('cannot stat %s'), $File::Find::name);
+
+        if (-f _ or -l _) {
+            my ($dev, $ino, $nlink) = (lstat _)[0, 1, 3];
+
+            # For filesystem objects with actual content accumulate the size
+            # in 1 KiB units.
+            $installed_size += POSIX::ceil((-s _) / 1024)
+                if not exists $hardlink{"$dev:$ino"};
+
+            # Track hardlinks to avoid repeated additions.
+            $hardlink{"$dev:$ino"} = 1 if $nlink > 1;
+        } else {
+            # For other filesystem objects assume a minimum 1 KiB baseline,
+            # as directories are shared resources between packages, and other
+            # object types are mainly metadata-only, supposedly consuming
+            # at most an inode.
+            $installed_size += 1;
+        }
+    };
+    find($scan_installed_size, $packagebuilddir) if -d $packagebuilddir;
+
+    $substvars->set_as_auto('Installed-Size', $installed_size);
+}
+if (defined($substvars->get('Extra-Size'))) {
+    my $size = $substvars->get('Extra-Size') + $substvars->get('Installed-Size');
+    $substvars->set_as_auto('Installed-Size', $size);
+}
+if (defined($substvars->get('Installed-Size'))) {
+    $fields->{'Installed-Size'} = $substvars->get('Installed-Size');
+}
+
+for my $f (keys %override) {
+    $fields->{$f} = $override{$f};
+}
+for my $f (keys %remove) {
+    delete $fields->{$f};
+}
+
+$fields->apply_substvars($substvars);
+
+if ($stdout) {
+    $fields->output(\*STDOUT);
+} else {
+    $outputfile //= "$packagebuilddir/DEBIAN/control";
+
+    my $sversion = $fields->{'Version'};
+    $sversion =~ s/^\d+://;
+    $forcefilename //= sprintf('%s_%s_%s.%s', $fields->{'Package'}, $sversion,
+                               $fields->{'Architecture'}, $pkg_type);
+    my $section = $fields->{'Section'} || '-';
+    my $priority = $fields->{'Priority'} || '-';
+
+    # Obtain a lock on debian/control to avoid simultaneous updates
+    # of debian/files when parallel building is in use
+    my $lockfh;
+    my $lockfile = 'debian/control';
+    $lockfile = $controlfile if not -e $lockfile;
+
+    sysopen $lockfh, $lockfile, O_WRONLY
+        or syserr(g_('cannot write %s'), $lockfile);
+    file_lock($lockfh, $lockfile);
+
+    my $dist = Dpkg::Dist::Files->new();
+    $dist->load($fileslistfile) if -e $fileslistfile;
+
+    foreach my $file ($dist->get_files()) {
+        if (defined $file->{package} &&
+            ($file->{package} eq $fields->{'Package'}) &&
+            ($file->{package_type} eq $pkg_type) &&
+            (debarch_eq($file->{arch}, $fields->{'Architecture'}) ||
+             debarch_eq($file->{arch}, 'all'))) {
+            $dist->del_file($file->{filename});
+        }
+    }
+
+    my %fileattrs;
+    $fileattrs{automatic} = 'yes' if $fields->{'Auto-Built-Package'};
+
+    $dist->add_file($forcefilename, $section, $priority, %fileattrs);
+    $dist->save("$fileslistfile.new");
+
+    rename "$fileslistfile.new", $fileslistfile
+        or syserr(g_('install new files list file'));
+
+    # Release the lock
+    close $lockfh or syserr(g_('cannot close %s'), $lockfile);
+
+    $fields->save("$outputfile.new");
+
+    rename "$outputfile.new", $outputfile
+        or syserr(g_("cannot install output control file '%s'"), $outputfile);
+}
+
+$substvars->warn_about_unused();
-- 
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