This file is indexed.

/usr/bin/dpkg-buildpackage is in dpkg-dev 1.17.27.

This file is owned by root:root, with mode 0o755.

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
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
#!/usr/bin/perl
#
# dpkg-buildpackage
#
# Copyright © 1996 Ian Jackson
# Copyright © 2000 Wichert Akkerman
# Copyright © 2006-2010,2012-2014 Guillem Jover <guillem@debian.org>
# Copyright © 2007 Frank Lichtenheld
#
# 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 Carp;
use Cwd;
use File::Temp qw(tempdir);
use File::Basename;
use File::Copy;
use POSIX qw(:sys_wait_h);

use Dpkg ();
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::BuildOptions;
use Dpkg::BuildProfiles qw(set_build_profiles);
use Dpkg::Compression;
use Dpkg::Checksums;
use Dpkg::Version;
use Dpkg::Control;
use Dpkg::Changelog::Parse;
use Dpkg::Path qw(find_command);
use Dpkg::IPC;

textdomain('dpkg-dev');

sub showversion {
    printf _g("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION;

    print _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:
  -F (default)   normal full build (binaries and sources).
  -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.
  -nc            do not clean source tree (implies -b).
  -tc            clean source tree when finished.
  -D (default)   check build dependencies and conflicts.
  -d             do not check build dependencies and conflicts.
  -P<profiles>   assume given build profiles as active (comma-separated list).
  -R<rules>      rules file to execute (default is debian/rules).
  -T<target>     call debian/rules <target> with the proper environment.
      --as-root  ensure -T calls the target with root rights.
  -j[<number>]   specify jobs to run simultaneously (passed to <rules>).
  -r<gain-root-command>
                 command to gain root privileges (default is fakeroot).
  --check-command=<check-command>
                 command to check the .changes file (no default).
  --check-option=<opt>
                 pass <opt> to <check-command>.
  --hook-<hook-name>=<hook-command>
                 set <hook-command> as the hook <hook-name>, known hooks:
                   init preclean source build binary changes postclean
                   check sign done
  -p<sign-command>
                 command to sign .dsc and/or .changes files
                   (default is gpg2 or gpg).
  -k<keyid>      the key to use for signing.
  -ap            add pause before starting signature process.
  -us            unsigned source package.
  -uc            unsigned .changes file.
      --force-sign
                 force signing the resulting files.
      --admindir=<directory>
                 change the administrative directory.
  -?, --help     show this help message.
      --version  show the version.')
    . "\n\n" . _g(
'Options passed to dpkg-architecture:
  -a, --host-arch <arch>    set the host Debian architecture.
  -t, --host-type <type>    set the host GNU system type.
      --target-arch <arch>  set the target Debian architecture.
      --target-type <type>  set the target GNU system type.')
    . "\n\n" . _g(
'Options passed to dpkg-genchanges:
  -si (default)  source includes orig, if new upstream.
  -sa            source includes orig, always.
  -sd            source is diff and .dsc only.
  -v<version>    changes since version <version>.
  -m<maint>      maintainer for package is <maint>.
  -e<maint>      maintainer for release is <maint>.
  -C<descfile>   changes are described in <descfile>.
      --changes-option=<opt>
                 pass option <opt> to dpkg-genchanges.')
    . "\n\n" . _g(
'Options passed to dpkg-source:
  -sn            force Debian native source format.
  -s[sAkurKUR]   see dpkg-source for explanation.
  -z<level>      compression level to use for source.
  -Z<compressor> compression to use for source (gz|xz|bzip2|lzma).
  -i[<regex>]    ignore diffs of files matching regex.
  -I[<pattern>]  filter out files when building tarballs.
      --source-option=<opt>
                 pass option <opt> to dpkg-source.
'), $Dpkg::PROGNAME;
}

my $admindir;
my @debian_rules = ('debian/rules');
my @rootcommand = ();
my $signcommand;
my $noclean;
my $cleansource;
my $parallel;
my $checkbuilddep = 1;
my @source_opts;
my $check_command = $ENV{DEB_CHECK_COMMAND};
my @check_opts;
my $signpause;
my $signkey = $ENV{DEB_SIGN_KEYID};
my $signforce = 0;
my $signreleased = 1;
my $signsource = 1;
my $signchanges = 1;
my $buildtarget = 'build';
my $binarytarget = 'binary';
my $host_arch = '';
my $host_type = '';
my $target_arch = '';
my $target_type = '';
my @build_profiles = ();
my $call_target = '';
my $call_target_as_root = 0;
my $since;
my $maint;
my $changedby;
my $desc;
my @changes_opts;
my @hook_names = qw(
    init preclean source build binary changes postclean check sign done
);
my %hook;
$hook{$_} = undef foreach @hook_names;

use constant BUILD_DEFAULT    => 1;
use constant BUILD_SOURCE     => 2;
use constant BUILD_ARCH_DEP   => 4;
use constant BUILD_ARCH_INDEP => 8;
use constant BUILD_BINARY     => BUILD_ARCH_DEP | BUILD_ARCH_INDEP;
use constant BUILD_SOURCE_DEP => BUILD_SOURCE | BUILD_ARCH_DEP;
use constant BUILD_SOURCE_INDEP => BUILD_SOURCE | BUILD_ARCH_INDEP;
use constant BUILD_ALL        => BUILD_BINARY | BUILD_SOURCE;
my $include = BUILD_ALL | BUILD_DEFAULT;

sub build_is_default() { return $include & BUILD_DEFAULT; }
sub build_sourceonly() { return $include == BUILD_SOURCE; }
sub build_binaryonly() { return !($include & BUILD_SOURCE); }
sub build_binaryindep() { return ($include == BUILD_ARCH_INDEP); }
sub build_opt {
    if ($include == BUILD_BINARY) {
        return '-b';
    } elsif ($include == BUILD_ARCH_DEP) {
        return '-B';
    } elsif ($include == BUILD_ARCH_INDEP) {
        return '-A';
    } elsif ($include == BUILD_SOURCE) {
        return '-S';
    } elsif ($include == BUILD_SOURCE_DEP) {
        return '-G';
    } elsif ($include == BUILD_SOURCE_INDEP) {
        return '-g';
    } else {
        croak "build_opt called with include=$include";
    }
}

sub set_build_type
{
    my ($build_type, $build_option) = @_;

    usageerr(_g('cannot combine %s and %s'), build_opt(), $build_option)
        if not build_is_default and $include != $build_type;
    $include = $build_type;
}

my $build_opts = Dpkg::BuildOptions->new();

if ($build_opts->has('nocheck')) {
    $check_command = undef;
} elsif (not find_command($check_command)) {
    $check_command = undef;
}

while (@ARGV) {
    $_ = shift @ARGV;

    if (/^(?:--help|-\?)$/) {
	usage;
	exit 0;
    } elsif (/^--version$/) {
	showversion;
	exit 0;
    } elsif (/^--admindir$/) {
        $admindir = shift @ARGV;
    } elsif (/^--admindir=(.*)$/) {
	$admindir = $1;
    } elsif (/^--source-option=(.*)$/) {
	push @source_opts, $1;
    } elsif (/^--changes-option=(.*)$/) {
	push @changes_opts, $1;
    } elsif (/^-j(\d*|auto)$/) {
	$parallel = $1 || '';
    } elsif (/^-r(.*)$/) {
	my $arg = $1;
	@rootcommand = split /\s+/, $arg;
    } elsif (/^--check-command=(.*)$/) {
	$check_command = $1;
    } elsif (/^--check-option=(.*)$/) {
	push @check_opts, $1;
    } elsif (/^--hook-(.+)=(.*)$/) {
	my ($hook_name, $hook_cmd) = ($1, $2);
	usageerr(_g('unknown hook name %s'), $hook_name)
	    if not exists $hook{$hook_name};
	usageerr(_g('missing hook %s command'), $hook_name)
	    if not defined $hook_cmd;
	$hook{$hook_name} = $hook_cmd;
    } elsif (/^-p(.*)$/) {
	$signcommand = $1;
    } elsif (/^-k(.*)$/) {
	$signkey = $1;
    } elsif (/^-([dD])$/) {
	$checkbuilddep = ($1 eq 'D');
    } elsif (/^-s(gpg|pgp)$/) {
	# Deprecated option
	warning(_g('-s%s is deprecated; always using gpg style interface'), $1);
    } elsif (/^--force-sign$/) {
	$signforce = 1;
    } elsif (/^-us$/) {
	$signsource = 0;
    } elsif (/^-uc$/) {
	$signchanges = 0;
    } elsif (/^-ap$/) {
	$signpause = 1;
    } elsif (/^-a$/ or /^--host-arch$/) {
	$host_arch = shift;
    } elsif (/^-a(.*)$/ or /^--host-arch=(.*)$/) {
	$host_arch = $1;
    } elsif (/^-P(.*)$/) {
	my $arg = $1;
	@build_profiles = split /,/, $arg;
    } elsif (/^-s[iad]$/) {
	push @changes_opts, $_;
    } elsif (/^-(?:s[insAkurKUR]|[zZ].*|i.*|I.*)$/) {
	push @source_opts, $_; # passed to dpkg-source
    } elsif (/^-tc$/) {
	$cleansource = 1;
    } elsif (/^-t$/ or /^--host-type$/) {
	$host_type = shift; # Order DOES matter!
    } elsif (/^-t(.*)$/ or /^--host-type=(.*)$/) {
	$host_type = $1; # Order DOES matter!
    } elsif (/^--target-arch$/) {
	$target_arch = shift;
    } elsif (/^--target-arch=(.*)$/) {
	$target_arch = $1;
    } elsif (/^--target-type$/) {
	$target_type = shift;
    } elsif (/^--target-type=(.*)$/) {
	$target_type = $1;
    } elsif (/^(?:--target|-T)$/) {
        $call_target = shift @ARGV;
    } elsif (/^(?:--target=|-T)(.+)$/) {
        $call_target = $1;
    } elsif (/^--as-root$/) {
        $call_target_as_root = 1;
    } elsif (/^-nc$/) {
	$noclean = 1;
    } elsif (/^-b$/) {
	set_build_type(BUILD_BINARY, $_);
	push @changes_opts, '-b';
    } elsif (/^-B$/) {
	set_build_type(BUILD_ARCH_DEP, $_);
	push @changes_opts, '-B';
    } elsif (/^-A$/) {
	set_build_type(BUILD_ARCH_INDEP, $_);
	push @changes_opts, '-A';
    } elsif (/^-S$/) {
	set_build_type(BUILD_SOURCE, $_);
	push @changes_opts, '-S';
    } elsif (/^-G$/) {
	set_build_type(BUILD_SOURCE_DEP, $_);
	push @changes_opts, '-G';
    } elsif (/^-g$/) {
	set_build_type(BUILD_SOURCE_INDEP, $_);
	push @changes_opts, '-g';
    } elsif (/^-F$/) {
	set_build_type(BUILD_ALL, $_);
    } elsif (/^-v(.*)$/) {
	$since = $1;
    } elsif (/^-m(.*)$/) {
	$maint = $1;
    } elsif (/^-e(.*)$/) {
	$changedby = $1;
    } elsif (/^-C(.*)$/) {
	$desc = $1;
    } elsif (m/^-[EW]$/) {
	# Deprecated option
	warning(_g('-E and -W are deprecated, they are without effect'));
    } elsif (/^-R(.*)$/) {
	my $arg = $1;
	@debian_rules = split /\s+/, $arg;
    } else {
	usageerr(_g('unknown option or argument %s'), $_);
    }
}

if (($include & BUILD_BINARY) == BUILD_BINARY) {
    $buildtarget = 'build';
    $binarytarget = 'binary';
} elsif ($include & BUILD_ARCH_DEP) {
    $buildtarget = 'build-arch';
    $binarytarget = 'binary-arch';
} elsif ($include & BUILD_ARCH_INDEP) {
    $buildtarget = 'build-indep';
    $binarytarget = 'binary-indep';
}

if ($noclean) {
    # -nc without -b/-B/-A/-S/-F implies -b
    $include = BUILD_BINARY if build_is_default;
}

if ($< == 0) {
    warning(_g('using a gain-root-command while being root')) if (@rootcommand);
} else {
    push @rootcommand, 'fakeroot' unless @rootcommand;
}

if (@rootcommand and not find_command($rootcommand[0])) {
    if ($rootcommand[0] eq 'fakeroot' and $< != 0) {
        error(_g("fakeroot not found, either install the fakeroot\n" .
                 'package, specify a command with the -r option, ' .
                 'or run this as root'));
    } else {
        error(_g("gain-root-commmand '%s' not found"), $rootcommand[0]);
    }
}

if ($check_command and not find_command($check_command)) {
    error(_g("check-commmand '%s' not found"), $check_command);
}

if ($signcommand) {
    if (!find_command($signcommand)) {
        error(_g("sign-commmand '%s' not found"), $signcommand);
    }
} elsif (($ENV{GNUPGHOME} && -e $ENV{GNUPGHOME}) ||
         ($ENV{HOME} && -e "$ENV{HOME}/.gnupg")) {
    if (find_command('gpg2')) {
        $signcommand = 'gpg2';
    } elsif (find_command('gpg')) {
        $signcommand = 'gpg';
    }
}

if (defined $parallel) {
    if ($parallel eq 'auto') {
        # Most Unices.
        $parallel = qx(getconf _NPROCESSORS_ONLN 2>/dev/null);
        # Fallback for at least Irix.
        $parallel = qx(getconf _NPROC_ONLN 2>/dev/null) if $?;
        chomp $parallel;
    }
    $parallel = $build_opts->get('parallel') if $build_opts->has('parallel');
    $ENV{MAKEFLAGS} //= '';
    $ENV{MAKEFLAGS} .= " -j$parallel";
    $build_opts->set('parallel', $parallel);
    $build_opts->export();
}

set_build_profiles(@build_profiles) if @build_profiles;

my $cwd = cwd();
my $dir = basename($cwd);

my $changelog = changelog_parse();

my $pkg = mustsetvar($changelog->{source}, _g('source package'));
my $version = mustsetvar($changelog->{version}, _g('source version'));
my $v = Dpkg::Version->new($version);
my ($ok, $error) = version_check($v);
error($error) unless $ok;

my $sversion = $v->as_string(omit_epoch => 1);
my $uversion = $v->version();

my $distribution = mustsetvar($changelog->{distribution}, _g('source distribution'));

my $maintainer;
if ($changedby) {
    $maintainer = $changedby;
} elsif ($maint) {
    $maintainer = $maint;
} else {
    $maintainer = mustsetvar($changelog->{maintainer}, _g('source changed by'));
}


my @arch_opts;
push @arch_opts, ('--host-arch', $host_arch) if $host_arch;
push @arch_opts, ('--host-type', $host_type) if $host_type;
push @arch_opts, ('--target-arch', $target_arch) if $target_arch;
push @arch_opts, ('--target-type', $target_type) if $target_type;

open my $arch_env, '-|', 'dpkg-architecture', '-f', @arch_opts
    or subprocerr('dpkg-architecture');
while (<$arch_env>) {
    chomp;
    my ($key, $value) = split /=/, $_, 2;
    $ENV{$key} = $value;
}
close $arch_env or subprocerr('dpkg-architecture');

my $arch;
if (build_sourceonly) {
    $arch = 'source';
} elsif (build_binaryindep) {
    $arch = 'all';
} else {
    $arch = mustsetvar($ENV{DEB_HOST_ARCH}, _g('host architecture'));
}

my $pv = "${pkg}_$sversion";
my $pva = "${pkg}_${sversion}_$arch";

if (not $signcommand) {
    $signsource = 0;
    $signchanges = 0;
} elsif ($signforce) {
    $signsource = 1;
    $signchanges = 1;
} elsif (($signsource or $signchanges) and $distribution eq 'UNRELEASED') {
    $signreleased = 0;
    $signsource = 0;
    $signchanges = 0;
}

if ($signsource && build_binaryonly) {
    $signsource = 0;
}

#
# Preparation of environment stops here
#

run_hook('init', 1);

if (not -x 'debian/rules') {
    warning(_g('debian/rules is not executable; fixing that'));
    chmod(0755, 'debian/rules'); # No checks of failures, non fatal
}

unless ($call_target) {
    chdir('..') or syserr('chdir ..');
    withecho('dpkg-source', @source_opts, '--before-build', $dir);
    chdir($dir) or syserr("chdir $dir");
}

if ($checkbuilddep) {
    my @checkbuilddep_opts;

    push @checkbuilddep_opts, '-A' if ($include & BUILD_ARCH_DEP) == 0;
    push @checkbuilddep_opts, '-B' if ($include & BUILD_ARCH_INDEP) == 0;
    push @checkbuilddep_opts, "--admindir=$admindir" if $admindir;

    system('dpkg-checkbuilddeps', @checkbuilddep_opts);
    if (not WIFEXITED($?)) {
        subprocerr('dpkg-checkbuilddeps');
    } elsif (WEXITSTATUS($?)) {
	warning(_g('build dependencies/conflicts unsatisfied; aborting'));
	warning(_g('(Use -d flag to override.)'));

	if (build_sourceonly) {
	    warning(_g('this is currently a non-fatal warning with -S, but ' .
	               'will probably become fatal in the future'));
	} else {
	    exit 3;
	}
    }
}

if ($call_target) {
    if ($call_target_as_root or
        $call_target =~ /^(clean|binary(|-arch|-indep))$/)
    {
        withecho(@rootcommand, @debian_rules, $call_target);
    } else {
        withecho(@debian_rules, $call_target);
    }
    exit 0;
}

run_hook('preclean', ! $noclean);

unless ($noclean) {
    withecho(@rootcommand, @debian_rules, 'clean');
}

run_hook('source', $include & BUILD_SOURCE);

if ($include & BUILD_SOURCE) {
    warning(_g('building a source package without cleaning up as you asked; ' .
               'it might contain undesired files')) if $noclean;
    chdir('..') or syserr('chdir ..');
    withecho('dpkg-source', @source_opts, '-b', $dir);
    chdir($dir) or syserr("chdir $dir");
}

run_hook('build', $include & BUILD_BINARY);

if ($buildtarget ne 'build' and scalar(@debian_rules) == 1) {
    # Verify that build-{arch,indep} are supported. If not, fallback to build.
    # This is a temporary measure to not break too many packages on a flag day.
    my $pid = spawn(exec => [ 'make', '-f', @debian_rules, '-qn', $buildtarget ],
                    from_file => '/dev/null', to_file => '/dev/null',
                    error_to_file => '/dev/null');
    my $cmdline = "make -f @debian_rules -qn $buildtarget";
    wait_child($pid, nocheck => 1, cmdline => $cmdline);
    my $exitcode = WEXITSTATUS($?);
    subprocerr($cmdline) unless WIFEXITED($?);
    if ($exitcode == 2) {
        warning(_g("%s must be updated to support the 'build-arch' and " .
                   "'build-indep' targets (at least '%s' seems to be " .
                   'missing)'), "@debian_rules", $buildtarget);
        $buildtarget = 'build';
    }
}

if ($include & BUILD_BINARY) {
    withecho(@debian_rules, $buildtarget);
    run_hook('binary', 1);
    withecho(@rootcommand, @debian_rules, $binarytarget);
}

run_hook('changes', 1);

push @changes_opts, "-m$maint" if defined $maint;
push @changes_opts, "-e$changedby" if defined $changedby;
push @changes_opts, "-v$since" if defined $since;
push @changes_opts, "-C$desc" if defined $desc;

my $chg = "../$pva.changes";
my $changes = Dpkg::Control->new(type => CTRL_FILE_CHANGES);

print { *STDERR } " dpkg-genchanges @changes_opts >$chg\n";

open my $changes_fh, '-|', 'dpkg-genchanges', @changes_opts
    or subprocerr('dpkg-genchanges');
$changes->parse($changes_fh, _g('parse changes file'));
$changes->save($chg);
close $changes_fh or subprocerr(_g('dpkg-genchanges'));

run_hook('postclean', $cleansource);

if ($cleansource) {
    withecho(@rootcommand, @debian_rules, 'clean');
}

chdir('..') or syserr('chdir ..');
withecho('dpkg-source', @source_opts, '--after-build', $dir);
chdir($dir) or syserr("chdir $dir");

printf "$Dpkg::PROGNAME: %s\n", describe_build($changes->{'Files'});

run_hook('check', $check_command);

if ($check_command) {
    withecho($check_command, @check_opts, $chg);
}

if ($signpause && ($signchanges || $signsource)) {
    print _g("Press the return key to start signing process\n");
    getc();
}

run_hook('sign', $signsource || $signchanges);

if ($signsource) {
    if (signfile("$pv.dsc")) {
        error(_g('failed to sign .dsc and .changes file'));
    }

    # Recompute the checksums as the .dsc has changed now.
    my $checksums = Dpkg::Checksums->new();
    $checksums->add_from_control($changes);
    $checksums->add_from_file("../$pv.dsc", update => 1, key => "$pv.dsc");
    $checksums->export_to_control($changes);
    delete $changes->{'Checksums-Md5'};

    my $md5sum_regex = checksums_get_property('md5', 'regex');
    my $dsc_md5sum = $checksums->get_checksum("$pv.dsc", 'md5');
    my $dsc_size = $checksums->get_size("$pv.dsc");
    my $dsc_files_regex = qr/$md5sum_regex\s+\d+\s+(\S+\s+\S+\s+\Q$pv\E\.dsc)/;
    $changes->{'Files'} =~ s/^$dsc_files_regex$/$dsc_md5sum $dsc_size $1/m;

    $changes->save($chg);
}
if ($signchanges && signfile("$pva.changes")) {
    error(_g('failed to sign .changes file'));
}

if (not $signreleased) {
    warning(_g('not signing UNRELEASED build; use --force-sign to override'));
}

run_hook('done', 1);

sub mustsetvar {
    my ($var, $text) = @_;

    error(_g('unable to determine %s'), $text)
	unless defined($var);

    print "$Dpkg::PROGNAME: $text $var\n";
    return $var;
}

sub withecho {
    print { *STDERR } " @_\n";
    system(@_)
	and subprocerr("@_");
}

sub run_hook {
    my ($name, $enabled) = @_;
    my $cmd = $hook{$name};

    return if not $cmd;

    print { *STDERR } "$Dpkg::PROGNAME: running hook $name\n";

    my %hook_vars = (
        '%' => '%',
        'a' => $enabled ? 1 : 0,
        'p' => $pkg,
        'v' => $version,
        's' => $sversion,
        'u' => $uversion,
    );

    my $subst_hook_var = sub {
        my ($var) = @_;

        if (exists $hook_vars{$var}) {
            return $hook_vars{$var};
        } else {
            warning(_g('unknown %% substitution in hook: %%%s'), $var);
            return "\%$var";
        }
    };

    $cmd =~ s/\%(.)/&$subst_hook_var($1)/eg;

    withecho($cmd);
}

sub signfile {
    my ($file) = @_;

    print { *STDERR } " signfile $file\n";

    my $signdir = tempdir('dpkg-sign.XXXXXXXX', CLEANUP => 1);
    my $signfile = "$signdir/$file";

    # Make sure the file to sign ends with a newline.
    copy("../$file", $signfile);
    open my $signfh, '>>', $signfile or syserr(_g('cannot open %s'), $signfile);
    print { $signfh } "\n";
    close $signfh or syserr(_g('cannot close %s'), $signfile);

    system($signcommand, '--utf8-strings', '--textmode', '--armor',
           '--local-user', $signkey || $maintainer, '--clearsign',
           '--output', "$signfile.asc", $signfile);
    my $status = $?;
    if ($status == 0) {
	system('mv', '--', "$signfile.asc", "../$file")
	    and subprocerr('mv');
    }

    print "\n";
    return $status
}

sub fileomitted {
    my ($files, $regex) = @_;

    return $files !~ /$regex/
}

sub describe_build {
    my ($files) = @_;
    my $ext = compression_get_file_extension_regex();

    if (fileomitted($files, qr/\.deb/)) {
        # source-only upload
        if (fileomitted($files, qr/\.diff\.$ext/) and
            fileomitted($files, qr/\.debian\.tar\.$ext/)) {
            return _g('source-only upload: Debian-native package');
        } elsif (fileomitted($files, qr/\.orig\.tar\.$ext/)) {
            return _g('source-only, diff-only upload (original source NOT included)');
        } else {
            return _g('source-only upload (original source is included)');
        }
    } elsif (fileomitted($files, qr/\.dsc/)) {
        return _g('binary-only upload (no source included)');
    } elsif (fileomitted($files, qr/\.diff\.$ext/) and
             fileomitted($files, qr/\.debian\.tar\.$ext/)) {
        return _g('full upload; Debian-native package (full source is included)');
    } elsif (fileomitted($files, qr/\.orig\.tar\.$ext/)) {
        return _g('binary and diff upload (original source NOT included)');
    } else {
        return _g('full upload (original source is included)');
    }
}