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Diffstat (limited to '')
| -rwxr-xr-x | scripts/dpkg-buildpackage.pl | 939 |
1 files changed, 939 insertions, 0 deletions
diff --git a/scripts/dpkg-buildpackage.pl b/scripts/dpkg-buildpackage.pl new file mode 100755 index 0000000..b19f722 --- /dev/null +++ b/scripts/dpkg-buildpackage.pl @@ -0,0 +1,939 @@ +#!/usr/bin/perl +# +# dpkg-buildpackage +# +# Copyright © 1996 Ian Jackson +# Copyright © 2000 Wichert Akkerman +# Copyright © 2006-2010, 2012-2015 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 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::Build::Types; +use Dpkg::BuildOptions; +use Dpkg::BuildProfiles qw(set_build_profiles); +use Dpkg::Conf; +use Dpkg::Compression; +use Dpkg::Checksums; +use Dpkg::Package; +use Dpkg::Version; +use Dpkg::Control; +use Dpkg::Control::Info; +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: + --build=<type>[,...] specify the build <type>: full, source, binary, + any, all (default is \'full\'). + -F, --build=full normal full build (source and binary; default). + -g, --build=source,all source and arch-indep build. + -G, --build=source,any source and arch-specific build. + -b, --build=binary binary-only, no source files. + -B, --build=any binary-only, only arch-specific files. + -A, --build=all binary-only, only arch-indep files. + -S, --build=source source-only, no binary files. + -nc, --no-pre-clean do not pre clean source tree (implies -b). + --pre-clean pre clean source tree (default). + --no-post-clean do not post clean source tree (default). + -tc, --post-clean post clean source tree. + -D, --check-builddeps check build dependencies and conflicts (default). + -d, --no-check-builddeps do not check build dependencies and conflicts. + --ignore-builtin-builddeps + do not check builtin build dependencies. + -P, --build-profiles=<profiles> + assume comma-separated build <profiles> as active. + --rules-requires-root assume legacy Rules-Requires-Root field value. + -R, --rules-file=<rules> rules file to execute (default is debian/rules). + -T, --rules-target=<target> call debian/rules <target>. + --as-root ensure -T calls the target with root rights. + -j, --jobs[=<number>|auto] jobs to run simultaneously (passed to <rules>), + forced mode. + -J, --jobs-try[=<number>|auto] + jobs to run simultaneously (passed to <rules>), + opt-in mode (default is auto). + -r, --root-command=<command> + command to gain root rights (default is fakeroot). + --check-command=<command> + command to check the .changes file (no default). + --check-option=<opt> pass <opt> to check <command>. + --hook-<name>=<command> set <command> as the hook <name>, known hooks: + init preclean source build binary buildinfo + changes postclean check sign done + --buildinfo-option=<opt> + pass option <opt> to dpkg-genbuildinfo. + -p, --sign-command=<command> + command to sign .dsc and/or .changes files + (default is gpg2 or gpg). + -k, --sign-key=<keyid> the key to use for signing. + -ap, --sign-pause add pause before starting signature process. + -us, --unsigned-source unsigned source package. + -ui, --unsigned-buildinfo unsigned .buildinfo file. + -uc, --unsigned-changes unsigned .buildinfo and .changes file. + --no-sign do not sign any 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 source includes orig, if new upstream (default). + -sa source includes orig, always. + -sd source is diff and .dsc only. + -v<version> changes since version <version>. + -m, --release-by=<maint> maintainer for this release is <maint>. + -e, --build-by=<maint> maintainer for this build 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, --compression-level=<level> + compression level to use for source. + -Z, --compression=<compressor> + compression to use for source (gz|xz|bzip2|lzma). + -i, --diff-ignore[=<regex>] ignore diffs of files matching <regex>. + -I, --tar-ignore[=<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 $preclean = 1; +my $postclean = 0; +my $parallel; +my $parallel_force = 0; +my $checkbuilddep = 1; +my $check_builtin_builddep = 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 $signbuildinfo = 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 $rrr_override; +my @call_target = (); +my $call_target_as_root = 0; +my $since; +my $maint; +my $changedby; +my $desc; +my @buildinfo_opts; +my @changes_opts; +my %target_legacy_root = map { $_ => 1 } qw( + clean binary binary-arch binary-indep +); +my %target_official = map { $_ => 1 } qw( + clean build build-arch build-indep binary binary-arch binary-indep +); +my @hook_names = qw( + init preclean source build binary buildinfo changes postclean check sign done +); +my %hook; +$hook{$_} = undef foreach @hook_names; + + +my $conf = Dpkg::Conf->new(); +$conf->load_config('buildpackage.conf'); + +# Inject config options for command-line parser. +unshift @ARGV, @{$conf}; + +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, $1; + } elsif (/^--buildinfo-option=(.*)$/) { + push @buildinfo_opts, $1; + } elsif (/^--changes-option=(.*)$/) { + push @changes_opts, $1; + } elsif (/^(?:-j|--jobs=)(\d*|auto)$/) { + $parallel = $1 || ''; + $parallel_force = 1; + } elsif (/^(?:-J|--jobs-try=)(\d*|auto)$/) { + $parallel = $1 || ''; + $parallel_force = 0; + } elsif (/^(?:-r|--root-command=)(.*)$/) { + my $arg = $1; + @rootcommand = split ' ', $arg; + } elsif (/^--check-command=(.*)$/) { + $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} = $hook_cmd; + } elsif (/^--buildinfo-id=.*$/) { + # Deprecated option + warning('--buildinfo-id is deprecated, it is without effect'); + } elsif (/^(?:-p|--sign-command=)(.*)$/) { + $signcommand = $1; + } elsif (/^(?:-k|--sign-key=)(.*)$/) { + $signkey = $1; + } elsif (/^--(no-)?check-builddeps$/) { + $checkbuilddep = !(defined $1 and $1 eq 'no-'); + } elsif (/^-([dD])$/) { + $checkbuilddep = ($1 eq 'D'); + } elsif (/^--ignore-builtin-builddeps$/) { + $check_builtin_builddep = 0; + } elsif (/^-s(gpg|pgp)$/) { + # Deprecated option + warning(g_('-s%s is deprecated; always using gpg style interface'), $1); + } elsif (/^--force-sign$/) { + $signforce = 1; + } elsif (/^--no-sign$/) { + $signforce = 0; + $signsource = 0; + $signbuildinfo = 0; + $signchanges = 0; + } elsif (/^-us$/ or /^--unsigned-source$/) { + $signsource = 0; + } elsif (/^-ui$/ or /^--unsigned-buildinfo$/) { + $signbuildinfo = 0; + } elsif (/^-uc$/ or /^--unsigned-changes$/) { + $signbuildinfo = 0; + $signchanges = 0; + } elsif (/^-ap$/ or /^--sign-pausa$/) { + $signpause = 1; + } elsif (/^-a$/ or /^--host-arch$/) { + $host_arch = shift; + } elsif (/^-a(.*)$/ or /^--host-arch=(.*)$/) { + $host_arch = $1; + } elsif (/^-P(.*)$/ or /^--build-profiles=(.*)$/) { + my $arg = $1; + @build_profiles = split /,/, $arg; + } elsif (/^-s[iad]$/) { + push @changes_opts, $_; + } elsif (/^--(?:compression-level|compression)=.+$/) { + push @source_opts, $_; + } elsif (/^--(?:diff-ignore|tar-ignore)(?:=.+)?$/) { + push @source_opts, $_; + } elsif (/^-(?:s[nsAkurKUR]|[zZ].*|i.*|I.*)$/) { + push @source_opts, $_; # passed to dpkg-source + } elsif (/^-tc$/ or /^--post-clean$/) { + $postclean = 1; + } elsif (/^--no-post-clean$/) { + $postclean = 0; + } elsif (/^-t$/ 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 = $1; + } elsif (/^(?:--target|--rules-target|-T)$/) { + push @call_target, split /,/, shift @ARGV; + } elsif (/^(?:--target=|--rules-target=|-T)(.+)$/) { + my $arg = $1; + push @call_target, split /,/, $arg; + } elsif (/^--rules-requires-root$/) { + $rrr_override = 'binary-targets'; + } elsif (/^--as-root$/) { + $call_target_as_root = 1; + } elsif (/^--pre-clean$/) { + $preclean = 1; + } elsif (/^-nc$/ or /^--no-pre-clean$/) { + $preclean = 0; + } elsif (/^--build=(.*)$/) { + set_build_type_from_options($1, $_); + } elsif (/^-b$/) { + set_build_type(BUILD_BINARY, $_); + } elsif (/^-B$/) { + set_build_type(BUILD_ARCH_DEP, $_); + } elsif (/^-A$/) { + set_build_type(BUILD_ARCH_INDEP, $_); + } elsif (/^-S$/) { + set_build_type(BUILD_SOURCE, $_); + } elsif (/^-G$/) { + set_build_type(BUILD_SOURCE | BUILD_ARCH_DEP, $_); + } elsif (/^-g$/) { + set_build_type(BUILD_SOURCE | BUILD_ARCH_INDEP, $_); + } elsif (/^-F$/) { + set_build_type(BUILD_FULL, $_); + } elsif (/^-v(.*)$/) { + $since = $1; + } elsif (/^-m(.*)$/ or /^--release-by=(.*)$/) { + $maint = $1; + } elsif (/^-e(.*)$/ or /^--build-by=(.*)$/) { + $changedby = $1; + } elsif (/^-C(.*)$/) { + $desc = $1; + } elsif (m/^-[EW]$/) { + # Deprecated option + warning(g_('-E and -W are deprecated, they are without effect')); + } elsif (/^-R(.*)$/ or /^--rules-file=(.*)$/) { + my $arg = $1; + @debian_rules = split ' ', $arg; + } else { + usageerr(g_('unknown option or argument %s'), $_); + } +} + +if (@call_target) { + my $targets = join ',', @call_target; + set_build_type_from_targets($targets, '--rules-target', nocheck => 1); +} + +if (build_has_all(BUILD_BINARY)) { + $buildtarget = 'build'; + $binarytarget = 'binary'; +} elsif (build_has_any(BUILD_ARCH_DEP)) { + $buildtarget = 'build-arch'; + $binarytarget = 'binary-arch'; +} elsif (build_has_any(BUILD_ARCH_INDEP)) { + $buildtarget = 'build-indep'; + $binarytarget = 'binary-indep'; +} + +if (not $preclean) { + # -nc without -b/-B/-A/-S/-F implies -b + set_build_type(BUILD_BINARY) if build_has_any(BUILD_DEFAULT); + # -nc with -S implies no dependency checks + $checkbuilddep = 0 if build_is(BUILD_SOURCE); +} + +if ($call_target_as_root and @call_target == 0) { + error(g_('option %s is only meaningful with option %s'), + '--as-root', '--rules-target'); +} + +if ($check_command and not find_command($check_command)) { + error(g_("check-command '%s' not found"), $check_command); +} + +if ($signcommand) { + if (!find_command($signcommand)) { + error(g_("sign-command '%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'; + } +} + +# Default to auto if none of parallel=N, -J or -j have been specified. +if (not defined $parallel and not $build_opts->has('parallel')) { + $parallel = 'auto'; +} + +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 $?; + # Fallback to serial execution if cannot infer the number of online + # processors. + $parallel = '1' if $?; + chomp $parallel; + } + if ($parallel_force) { + $ENV{MAKEFLAGS} //= ''; + $ENV{MAKEFLAGS} .= " -j$parallel"; + } + $build_opts->set('parallel', $parallel); + $build_opts->export(); +} + +set_build_profiles(@build_profiles) if @build_profiles; + +my $changelog = changelog_parse(); +my $ctrl = Dpkg::Control::Info->new(); + +# Check whether we are doing some kind of rootless build, and sanity check +# the fields values. +my %rules_requires_root = parse_rules_requires_root($ctrl->get_source()); + +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')); +} + +# <https://reproducible-builds.org/specs/source-date-epoch/> +$ENV{SOURCE_DATE_EPOCH} ||= $changelog->{timestamp} || time; + +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_has_any(BUILD_ARCH_DEP)) { + $arch = mustsetvar($ENV{DEB_HOST_ARCH}, g_('host architecture')); +} elsif (build_has_any(BUILD_ARCH_INDEP)) { + $arch = 'all'; +} elsif (build_has_any(BUILD_SOURCE)) { + $arch = 'source'; +} + +my $pv = "${pkg}_$sversion"; +my $pva = "${pkg}_${sversion}_$arch"; + +signkey_validate(); + +if (not $signcommand) { + $signsource = 0; + $signbuildinfo = 0; + $signchanges = 0; +} elsif ($signforce) { + $signsource = 1; + $signbuildinfo = 1; + $signchanges = 1; +} elsif (($signsource or $signbuildinfo or $signchanges) and + $distribution eq 'UNRELEASED') { + $signreleased = 0; + $signsource = 0; + $signbuildinfo = 0; + $signchanges = 0; +} + +if ($signsource && build_has_none(BUILD_SOURCE)) { + $signsource = 0; +} + +# +# Preparation of environment stops here +# + +run_hook('init', 1); + +if (not -x 'debian/rules') { + warning(g_('debian/rules is not executable; fixing that')); + chmod(0755, 'debian/rules'); # No checks of failures, non fatal +} + +if (scalar @call_target == 0) { + run_cmd('dpkg-source', @source_opts, '--before-build', '.'); +} + +if ($checkbuilddep) { + my @checkbuilddep_opts; + + push @checkbuilddep_opts, '-A' if build_has_none(BUILD_ARCH_DEP); + push @checkbuilddep_opts, '-B' if build_has_none(BUILD_ARCH_INDEP); + push @checkbuilddep_opts, '-I' if not $check_builtin_builddep; + push @checkbuilddep_opts, "--admindir=$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.)')); + exit 3; + } +} + +foreach my $call_target (@call_target) { + run_rules_cond_root($call_target); +} +exit 0 if scalar @call_target; + +run_hook('preclean', $preclean); + +if ($preclean) { + run_rules_cond_root('clean'); +} + +run_hook('source', build_has_any(BUILD_SOURCE)); + +if (build_has_any(BUILD_SOURCE)) { + warning(g_('building a source package without cleaning up as you asked; ' . + 'it might contain undesired files')) if not $preclean; + run_cmd('dpkg-source', @source_opts, '-b', '.'); +} + +run_hook('build', build_has_any(BUILD_BINARY)); + +my $build_types = get_build_options_from_type(); + +if (build_has_any(BUILD_BINARY)) { + # XXX Use some heuristics to decide whether to use build-{arch,indep} + # targets. This is a temporary measure to not break too many packages + # on a flag day. + build_target_fallback($ctrl); + + # If we are building rootless, there is no need to call the build target + # independently as non-root. + run_cmd(@debian_rules, $buildtarget) if rules_requires_root($binarytarget); + run_hook('binary', 1); + run_rules_cond_root($binarytarget); +} + +run_hook('buildinfo', 1); + +push @buildinfo_opts, "--build=$build_types" if build_has_none(BUILD_DEFAULT); +push @buildinfo_opts, "--admindir=$admindir" if $admindir; + +run_cmd('dpkg-genbuildinfo', @buildinfo_opts); + +run_hook('changes', 1); + +push @changes_opts, "--build=$build_types" if build_has_none(BUILD_DEFAULT); +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 $changes = Dpkg::Control->new(type => CTRL_FILE_CHANGES); + +printcmd("dpkg-genchanges @changes_opts >$chg"); + +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', $postclean); + +if ($postclean) { + run_rules_cond_root('clean'); +} + +run_cmd('dpkg-source', @source_opts, '--after-build', '.'); + +info(describe_build($changes->{'Files'})); + +run_hook('check', $check_command); + +if ($check_command) { + run_cmd($check_command, @check_opts, $chg); +} + +if ($signpause && ($signsource || $signbuildinfo || $signchanges)) { + print g_("Press <enter> to start the signing process.\n"); + getc(); +} + +run_hook('sign', $signsource || $signbuildinfo || $signchanges); + +if ($signsource) { + if (signfile("$pv.dsc")) { + error(g_('failed to sign %s file'), '.dsc'); + } + + # Recompute the checksums as the .dsc has changed now. + my $buildinfo = Dpkg::Control->new(type => CTRL_FILE_BUILDINFO); + $buildinfo->load("../$pva.buildinfo"); + my $checksums = Dpkg::Checksums->new(); + $checksums->add_from_control($buildinfo); + $checksums->add_from_file("../$pv.dsc", update => 1, key => "$pv.dsc"); + $checksums->export_to_control($buildinfo); + $buildinfo->save("../$pva.buildinfo"); +} +if ($signbuildinfo && signfile("$pva.buildinfo")) { + error(g_('failed to sign %s file'), '.buildinfo'); +} +if ($signsource or $signbuildinfo) { + # Recompute the checksums as the .dsc and/or .buildinfo have changed. + my $checksums = Dpkg::Checksums->new(); + $checksums->add_from_control($changes); + $checksums->add_from_file("../$pv.dsc", update => 1, key => "$pv.dsc") + if $signsource; + $checksums->add_from_file("../$pva.buildinfo", update => 1, key => "$pva.buildinfo"); + $checksums->export_to_control($changes); + delete $changes->{'Checksums-Md5'}; + update_files_field($changes, $checksums, "$pv.dsc") + if $signsource; + update_files_field($changes, $checksums, "$pva.buildinfo"); + $changes->save($chg); +} +if ($signchanges && signfile("$pva.changes")) { + error(g_('failed to sign %s file'), '.changes'); +} + +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); + + info("$text $var"); + return $var; +} + +sub setup_rootcommand { + if ($< == 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-command '%s' not found"), $rootcommand[0]); + } + } +} + +sub parse_rules_requires_root { + my $ctrl = shift; + + my %rrr; + my $rrr; + my $keywords_base; + my $keywords_impl; + + $rrr = $rrr_override // $ctrl->{'Rules-Requires-Root'} // 'binary-targets'; + + foreach my $keyword (split ' ', $rrr) { + if ($keyword =~ m{/}) { + if ($keyword =~ m{^dpkg/target/(.*)$}p and $target_official{$1}) { + error(g_('disallowed target in %s field keyword %s'), + 'Rules-Requires-Root', $keyword); + } elsif ($keyword ne 'dpkg/target-subcommand') { + error(g_('unknown %s field keyword %s in dpkg namespace'), + 'Rules-Requires-Root', $keyword); + } + $keywords_impl++; + } else { + if ($keyword ne 'no' and $keyword ne 'binary-targets') { + warning(g_('unknown %s field keyword %s'), + 'Rules-Requires-Root', $keyword); + } + $keywords_base++; + } + + if ($rrr{$keyword}++) { + error(g_('field %s contains duplicate keyword %s'), + 'Rules-Requires-Root', $keyword); + } + } + + if ($call_target_as_root or not exists $rrr{no}) { + setup_rootcommand(); + } + + # Notify the children we do support R³. + $ENV{DEB_RULES_REQUIRES_ROOT} = join ' ', sort keys %rrr; + + if ($keywords_base > 1 or $keywords_base and $keywords_impl) { + error(g_('%s field contains both global and implementation specific keywords'), + 'Rules-Requires-Root'); + } elsif ($keywords_impl) { + # Set only on <implementations-keywords>. + $ENV{DEB_GAIN_ROOT_CMD} = join ' ', @rootcommand; + # XXX: For ephemeral backwards compatibility. + $ENV{DPKG_GAIN_ROOT_CMD} = $ENV{DEB_GAIN_ROOT_CMD}; + } else { + # We should not provide the variable otherwise. + delete $ENV{DEB_GAIN_ROOT_CMD}; + # XXX: For ephemeral backwards compatibility. + delete $ENV{DPKG_GAIN_ROOT_CMD}; + } + + return %rrr; +} + +sub run_cmd { + printcmd(@_); + system @_ and subprocerr("@_"); +} + +sub rules_requires_root { + my $target = shift; + + return 1 if $call_target_as_root; + return 1 if $rules_requires_root{"dpkg/target/$target"}; + return 1 if $rules_requires_root{'binary-targets'} and $target_legacy_root{$target}; + return 0; +} + +sub run_rules_cond_root { + my $target = shift; + + my @cmd; + push @cmd, @rootcommand if rules_requires_root($target); + push @cmd, @debian_rules, $target; + + run_cmd(@cmd); +} + +sub run_hook { + my ($name, $enabled) = @_; + my $cmd = $hook{$name}; + + return if not $cmd; + + info("running hook $name"); + + my %hook_vars = ( + '%' => '%', + 'a' => $enabled ? 1 : 0, + 'p' => $pkg, + 'v' => $version, + 's' => $sversion, + 'u' => $uversion, + ); + + my $subst_hook_var = sub { + my $var = shift; + + 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->($1)/eg; + + run_cmd($cmd); +} + +sub update_files_field { + my ($ctrl, $checksums, $filename) = @_; + + my $md5sum_regex = checksums_get_property('md5', 'regex'); + my $md5sum = $checksums->get_checksum($filename, 'md5'); + my $size = $checksums->get_size($filename); + my $file_regex = qr/$md5sum_regex\s+\d+\s+(\S+\s+\S+\s+\Q$filename\E)/; + + $ctrl->{'Files'} =~ s/^$file_regex$/$md5sum $size $1/m; +} + +sub signkey_validate { + return unless defined $signkey; + # Make sure this is an hex keyid. + return unless $signkey =~ m/^(?:0x)?([[:xdigit:]]+)$/; + + my $keyid = $1; + + if (length $keyid <= 8) { + error(g_('short OpenPGP key IDs are broken; ' . + 'please use key fingerprints in %s or %s instead'), + '-k', 'DEB_SIGN_KEYID'); + } elsif (length $keyid <= 16) { + warning(g_('long OpenPGP key IDs are strongly discouraged; ' . + 'please use key fingerprints in %s or %s instead'), + '-k', 'DEB_SIGN_KEYID'); + } +} + +sub signfile { + my $file = shift; + + printcmd("signfile $file"); + + 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 = shift; + 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)'); + } +} + +sub build_target_fallback { + my $ctrl = shift; + + # If we are building rootless, there is no need to call the build target + # independently as non-root. + return if not rules_requires_root($binarytarget); + + return if $buildtarget eq 'build'; + return if scalar @debian_rules != 1; + + # Check if we are building both arch:all and arch:any packages, in which + # case we now require working build-indep and build-arch targets. + my $pkg_arch = 0; + + foreach my $bin ($ctrl->get_packages()) { + if ($bin->{Architecture} eq 'all') { + $pkg_arch |= BUILD_ARCH_INDEP; + } else { + $pkg_arch |= BUILD_ARCH_DEP; + } + } + + return if $pkg_arch == BUILD_BINARY; + + # Check if the build-{arch,indep} targets are supported. If not, fallback + # to build. + my $pid = spawn(exec => [ $Dpkg::PROGMAKE, '-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'; + } +} |