This file is indexed.

/usr/bin/dpkg-buildpackage is in dpkg-dev 1.16.1.2ubuntu7.7.

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
#!/usr/bin/perl
#
# dpkg-buildpackage
#
# 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 <http://www.gnu.org/licenses/>.

use strict;
use warnings;

use Cwd;
use File::Basename;
use POSIX;

use Dpkg;
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::BuildFlags;
use Dpkg::BuildOptions;
use Dpkg::Compression;
use Dpkg::Version;
use Dpkg::Changelog::Parse;
use Dpkg::Path qw(find_command);

textdomain("dpkg-dev");

sub showversion {
    printf _g("Debian %s version %s.\n"), $progname, $version;

    print _g("
Copyright (C) 1996 Ian Jackson.
Copyright (C) 2000 Wichert Akkerman
Copyright (C) 2007 Frank Lichtenheld");

    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 [<options> ...]

Options:
  -r<gain-root-command>
                 command to gain root privileges (default is fakeroot).
  -R<rules>      rules file to execute (default is debian/rules).
  -p<sign-command>
  -d             do not check build dependencies and conflicts.
  -D             check build dependencies and conflicts.
  -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 debian/rules
  -k<keyid>      the key to use for signing.
  -sgpg          the sign-command is called like GPG.
  -spgp          the sign-command is called like PGP.
  -us            unsigned source.
  -uc            unsigned changes.
  -a<arch>       Debian architecture we build for (implies -d).
  -b             binary-only, do not build source.   } also passed to
  -B             binary-only, no arch-indep files.   } dpkg-genchanges
  -A             binary-only, only arch-indep files. }
  -S             source only, no binary files.     }
  -F             normal full build (binaries and sources).
  -t<system>     set GNU system type.           } passed to dpkg-architecture
  -v<version>    changes since version <version>.      }
  -m<maint>      maintainer for package is <maint>.    }
  -e<maint>      maintainer for release is <maint>.    } only passed
  -C<descfile>   changes are described in <descfile>.  } to dpkg-genchanges
  -si (default)  src includes orig if new upstream.    }
  -sa            uploaded src always includes orig.    }
  -sd            uploaded src is diff and .dsc only.   }
  -sn            force Debian native source format.      }
  -s[sAkurKUR]   see dpkg-source for explanation.        } only passed
  -z<level>      compression level of source             } to dpkg-source
  -Z<compressor> compression to use for source           }
  -nc            do not clean source tree (implies -b).
  -tc            clean source tree when finished.
  -ap            add pause before starting signature process.
  -i[<regex>]    ignore diffs of files matching regex.    } only passed
  -I[<pattern>]  filter out files when building tarballs. } to dpkg-source
  --source-option=<opt>
		 pass option <opt> to dpkg-source
  --changes-option=<opt>
		 pass option <opt> to dpkg-genchanges
  --admindir=<directory>
                 change the administrative directory.
  -h, --help     show this help message.
      --version  show the version.
"), $progname;
}

my @debian_rules = ("debian/rules");
my @rootcommand = ();
my $signcommand = '';
if ( ( ($ENV{GNUPGHOME} && -e $ENV{GNUPGHOME})
       || ($ENV{HOME} && -e "$ENV{HOME}/.gnupg") )
     && find_command('gpg')) {
	 $signcommand = 'gpg';
} elsif (find_command('pgp')) {
	$signcommand = 'pgp'
}

my ($admindir, $signkey, $forcesigninterface, $usepause, $noclean,
    $cleansource, $since, $maint,
    $changedby, $desc, $parallel);
my $checkbuilddep = 1;
my $signsource = 1;
my $signchanges = 1;
my $binarytarget = 'binary';
my $targetarch = my $targetgnusystem = '';
my $call_target = '';
my $call_target_as_root = 0;
my (@checkbuilddep_opts, @changes_opts, @source_opts);

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_ALL        => BUILD_BINARY | BUILD_SOURCE;
my $include = BUILD_ALL | BUILD_DEFAULT;

sub build_normal() { return ($include & BUILD_ALL) == BUILD_ALL; }
sub build_sourceonly() { return $include == BUILD_SOURCE; }
sub build_binaryonly() { return !($include & BUILD_SOURCE); }
sub build_opt() {
    return (($include == BUILD_BINARY) ? '-b' :
            (($include == BUILD_ARCH_DEP) ? '-B' :
             (($include == BUILD_ARCH_INDEP) ? '-A' :
              (($include == BUILD_SOURCE) ? '-S' :
               internerr("build_opt called with include=$include")))));
}

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

    if (/^(--help|-h)$/) {
	usage;
	exit 0;
    } elsif (/^--version$/) {
	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, $1;
    } elsif (/^-j(\d*)$/) {
	$parallel = $1 || '';
    } elsif (/^-r(.*)$/) {
	@rootcommand = split /\s+/, $1;
    } elsif (/^-p(.*)$/) {
	$signcommand = $1;
    } elsif (/^-k(.*)$/) {
	$signkey = $1;
    } elsif (/^-([dD])$/) {
	$checkbuilddep = ($1 eq 'D');
    } elsif (/^-s(gpg|pgp)$/) {
	$forcesigninterface = $1;
    } elsif (/^-us$/) {
	$signsource = 0;
    } elsif (/^-uc$/) {
	$signchanges = 0;
    } elsif (/^-ap$/) {
	$usepause = 1;
    } elsif (/^-a(.*)$/) {
	$targetarch = $1;
	$checkbuilddep = 0;
    } elsif (/^-s[iad]$/) {
	push @changes_opts, $_;
    } elsif (/^-(?:s[insAkurKUR]|[zZ].*|i.*|I.*)$/) {
	push @source_opts, $_; # passed to dpkg-source
    } elsif (/^-tc$/) {
	$cleansource = 1;
    } elsif (/^-t(.*)$/) {
	$targetgnusystem = $1; # Order DOES matter!
    } elsif (/^(--target|-T)$/) {
        $call_target = shift @ARGV;
    } elsif (/^(--target=|-T)(.+)$/) {
        $call_target = $2;
    } elsif (/^--as-root$/) {
        $call_target_as_root = 1;
    } elsif (/^-nc$/) {
	$noclean = 1;
    } elsif (/^-b$/) {
	build_sourceonly && usageerr(_g("cannot combine %s and %s"), $_, "-S");
	$include = BUILD_BINARY;
	push @changes_opts, '-b';
	@checkbuilddep_opts = ();
	$binarytarget = 'binary';
    } elsif (/^-B$/) {
	build_sourceonly && usageerr(_g("cannot combine %s and %s"), $_, "-S");
	$include = BUILD_ARCH_DEP;
	push @changes_opts, '-B';
	@checkbuilddep_opts = ('-B');
	$binarytarget = 'binary-arch';
    } elsif (/^-A$/) {
	build_sourceonly && usageerr(_g("cannot combine %s and %s"), $_, "-S");
	$include = BUILD_ARCH_INDEP;
	push @changes_opts, '-A';
	@checkbuilddep_opts = ();
	$binarytarget = 'binary-indep';
    } elsif (/^-S$/) {
	build_binaryonly && usageerr(_g("cannot combine %s and %s"), build_opt, "-S");
	$include = BUILD_SOURCE;
	push @changes_opts, '-S';
	@checkbuilddep_opts = ('-B');
    } elsif (/^-F$/) {
	!build_normal && usageerr(_g("cannot combine %s and %s"), $_, build_opt);
	$include = BUILD_ALL;
	@checkbuilddep_opts = ();
    } elsif (/^-v(.*)$/) {
	$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(.*)$/) {
	@debian_rules = split /\s+/, $1;
    } else {
	usageerr(_g("unknown option or argument %s"), $_);
    }
}

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

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

    if (!find_command($rootcommand[0])) {
	if ($rootcommand[0] eq 'fakeroot') {
	    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]);
	}
    }
}

unless ($signcommand) {
    $signsource = 0;
    $signchanges = 0;
}

my $signinterface;
if ($forcesigninterface) {
    $signinterface = $forcesigninterface;
} else {
    $signinterface = $signcommand;
}

if ($signcommand) {
    if ($signinterface !~ /^(gpg|pgp)$/) {
	warning(_g("unknown sign command, assuming pgp style interface"));
    } elsif ($signinterface eq 'pgp') {
	if ($signsource or $signchanges) {
	    warning(_g("PGP support is deprecated (see README.feature-removal-schedule)"));
	}
    }
}

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

# Temporarily continue to export build flags to the environment.  This is to
# avoid regressing various defaults in packages in the near term; we expect
# to drop this after Ubuntu 12.04 LTS.
# We don't do this if debhelper compat level >= 9 is in use, as a
# lesser-evil workaround for an interaction with debhelper's build flags
# handling.  See:
#   https://lists.ubuntu.com/archives/ubuntu-devel/2011-November/034351.html
my $debhelper_compat = 1;
if (open my $debhelper_compat_file, 'debian/compat') {
    my $line = <$debhelper_compat_file>;
    close $debhelper_compat_file;
    if (defined $line and length $line) {
	$debhelper_compat = int($line);
    }
}
if ($debhelper_compat < 9) {
    my $build_flags = Dpkg::BuildFlags->new();
    $build_flags->load_config();
    foreach my $flag ($build_flags->list()) {
	# While -Werror=format-security does catch many real bugs, it also
	# causes many build failures and causes a number of configure tests
	# to silently fail.  It was not exported to the environment in any
	# released version of Ubuntu.
	$build_flags->strip($flag, '-Werror=format-security', undef);
	$ENV{$flag} = $build_flags->get($flag);
	printf(_g("%s: export %s from dpkg-buildflags (origin: %s): %s\n"),
	       $progname, $flag, $build_flags->get_origin($flag), $ENV{$flag});
    }
}

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 ($ok, $error) = version_check($version);
error($error) unless $ok;

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

open my $arch_env, '-|', 'dpkg-architecture', "-a$targetarch",
    "-t$targetgnusystem", '-s', '-f' or subprocerr('dpkg-architecture');
while ($_ = <$arch_env>) {
    chomp;
    my @cmds = split /\s*;\s*/;
    foreach (@cmds) {
	/^\s*(\w+)=([\w-]*)\s*$/ && do {
	    $ENV{$1} = $2;
	};
    }
}
close $arch_env or subprocerr('dpkg-architecture');

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

# Preparation of environment stops here

(my $sversion = $version) =~ s/^\d+://;

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

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 ($checkbuilddep) {
    if ($admindir) {
	push @checkbuilddep_opts, "--admindir=$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"));
	    warning(_g("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;
}

unless ($noclean) {
    withecho(@rootcommand, @debian_rules, 'clean');
}
unless (build_binaryonly) {
    warning(_g("it is a bad idea to generate a source package " .
               "without cleaning up first, it might contain undesired " .
               "files.")) if $noclean;
    chdir('..') or syserr('chdir ..');
    withecho('dpkg-source', @source_opts, '-b', $dir);
    chdir($dir) or syserr("chdir $dir");
}
unless (build_sourceonly) {
    withecho(@debian_rules, 'build');
    withecho(@rootcommand, @debian_rules, $binarytarget);
}
if ($usepause &&
    ($signchanges || (!build_binaryonly && $signsource))) {
    print _g("Press the return key to start signing process\n");
    getc();
}

my $signerrors;
unless (build_binaryonly) {
    if ($signsource && signfile("$pv.dsc")) {
	$signerrors = _g("Failed to sign .dsc and .changes file");
	$signchanges = 0;
    }
}

if (defined($maint)) { push @changes_opts, "-m$maint" }
if (defined($changedby)) { push @changes_opts, "-e$changedby" }
if (defined($since)) { push @changes_opts, "-v$since" }
if (defined($desc)) { push @changes_opts, "-C$desc" }

my $chg = "../$pva.changes";
print STDERR " dpkg-genchanges @changes_opts >$chg\n";
open CHANGES, '-|', 'dpkg-genchanges', @changes_opts
    or subprocerr('dpkg-genchanges');

open OUT, '>', $chg or syserr(_g('write changes file'));

my $infiles = my $files = '';
while ($_ = <CHANGES>) {
    print OUT $_ or syserr(_g('write changes file'));
    chomp;

    if (/^Files:/i) {
	$infiles = 1;
    } elsif ($infiles && /^\s+(.*)$/) {
	$files .= " $1 ";
    } elsif ($infiles && /^\S/) {
	$infiles = 0;
    }
}

close CHANGES or subprocerr(_g('dpkg-genchanges'));
close OUT or syserr(_g('write changes file'));

my $srcmsg;
sub fileomitted($) { return $files !~ /$_[0]/ }
my $ext = $compression_re_file_ext;
if (fileomitted '\.deb') {
    # source only upload
    if (fileomitted "\.diff\.$ext" and fileomitted "\.debian\.tar\.$ext") {
	$srcmsg = _g('source only upload: Debian-native package');
    } elsif (fileomitted "\.orig\.tar\.$ext") {
	$srcmsg = _g('source only, diff-only upload (original source NOT included)');
    } else {
	$srcmsg = _g('source only upload (original source is included)');
    }
} else {
    $srcmsg = _g('full upload (original source is included)');
    if (fileomitted '\.dsc') {
	$srcmsg = _g('binary only upload (no source included)');
    } elsif (fileomitted "\.diff\.$ext" and fileomitted "\.debian\.tar\.$ext") {
	$srcmsg = _g('full upload; Debian-native package (full source is included)');
    } elsif (fileomitted "\.orig\.tar\.$ext") {
	$srcmsg = _g('binary and diff upload (original source NOT included)');
    } else {
	$srcmsg = _g('full upload (original source is included)');
    }
}

if ($signchanges && signfile("$pva.changes")) {
    $signerrors = _g("Failed to sign .changes file");
}

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");

print "$progname: $srcmsg\n";
if ($signerrors) {
    warning($signerrors);
    exit 1;
}

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

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

    print "$progname: $text $var\n";
    return $var;
}

sub withecho {
    shift while !$_[0];
    print STDERR " @_\n";
    system(@_)
	and subprocerr("@_");
}

sub signfile {
    my ($file) = @_;
    print STDERR " signfile $file\n";
    my $qfile = quotemeta($file);

    if ($signinterface eq 'gpg') {
	system("(cat ../$qfile ; echo '') | ".
	       "$signcommand --utf8-strings --local-user "
	       .quotemeta($signkey||$maintainer).
	       " --clearsign --armor --textmode  > ../$qfile.asc");
    } else {
	system("$signcommand -u ".quotemeta($signkey||$maintainer).
	       " +clearsig=on -fast <../$qfile >../$qfile.asc");
    }
    my $status = $?;
    unless ($status) {
	system('mv', '--', "../$file.asc", "../$file")
	    and subprocerr('mv');
    } else {
	system('rm', '-f', "../$file.asc")
	    and subprocerr('rm -f');
    }
    print "\n";
    return $status
}