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|
#! /usr/bin/perl
# vim: set et sw=4 ts=8
use strict;
use warnings;
use Dpkg;
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::Arch qw(debarch_eq);
use Dpkg::Deps qw(@src_dep_fields %dep_field_type);
use Dpkg::Fields qw(:list capit unknown);
use Dpkg::Compression;
use Dpkg::Control;
use Dpkg::Substvars;
use Dpkg::Version qw(check_version);
use Dpkg::Vars;
use Dpkg::Changelog qw(parse_changelog);
use Dpkg::Source::Compressor;
use Dpkg::Source::Package;
use Dpkg::Vendor qw(run_vendor_hook);
use English;
use File::Spec;
textdomain("dpkg-dev");
my $varlistfile;
my $controlfile;
my $changelogfile;
my $changelogformat;
my @build_formats = ("1.0", "3.0 (native)");
my %options = (
# Compression related
compression => $Dpkg::Source::Compressor::default_compression,
comp_level => $Dpkg::Source::Compressor::default_compression_level,
comp_ext => $comp_ext{$Dpkg::Source::Compressor::default_compression},
# Ignore files
tar_ignore => [],
diff_ignore_regexp => '',
# Misc options
copy_orig_tarballs => 1,
no_check => 0,
require_valid_signature => 0,
);
# Fields to remove/override
my %remove;
my %override;
my $substvars = Dpkg::Substvars->new();
my $tar_ignore_default_pattern_done;
my @cmdline_options;
my @cmdline_formats;
while (@ARGV && $ARGV[0] =~ m/^-/) {
$_ = shift(@ARGV);
if (m/^-b$/) {
setopmode('build');
} elsif (m/^-x$/) {
setopmode('extract');
} elsif (m/^--format=(.*)$/) {
push @cmdline_formats, $1;
} elsif (m/^-Z/) {
my $compression = $POSTMATCH;
$options{'compression'} = $compression;
$options{'comp_ext'} = $comp_ext{$compression};
usageerr(_g("%s is not a supported compression"), $compression)
unless $comp_supported{$compression};
Dpkg::Source::Compressor->set_default_compression($compression);
} elsif (m/^-z/) {
my $comp_level = $POSTMATCH;
$options{'comp_level'} = $comp_level;
usageerr(_g("%s is not a compression level"), $comp_level)
unless $comp_level =~ /^([1-9]|fast|best)$/;
Dpkg::Source::Compressor->set_default_compression_level($comp_level);
} elsif (m/^-c/) {
$controlfile = $POSTMATCH;
} elsif (m/^-l/) {
$changelogfile = $POSTMATCH;
} elsif (m/^-F([0-9a-z]+)$/) {
$changelogformat = $1;
} elsif (m/^-D([^\=:]+)[=:]/) {
$override{$1} = $POSTMATCH;
} elsif (m/^-U([^\=:]+)$/) {
$remove{$1} = 1;
} elsif (m/^-i(.*)$/) {
$options{'diff_ignore_regexp'} = $1 ? $1 : $Dpkg::Source::Package::diff_ignore_default_regexp;
} elsif (m/^-I(.+)$/) {
push @{$options{'tar_ignore'}}, $1;
} elsif (m/^-I$/) {
unless ($tar_ignore_default_pattern_done) {
push @{$options{'tar_ignore'}}, @Dpkg::Source::Package::tar_ignore_default_pattern;
# Prevent adding multiple times
$tar_ignore_default_pattern_done = 1;
}
} elsif (m/^--no-copy$/) {
$options{'copy_orig_tarballs'} = 0;
} elsif (m/^--no-check$/) {
$options{'no_check'} = 1;
} elsif (m/^--require-valid-signature$/) {
$options{'require_valid_signature'} = 1;
} elsif (m/^-V(\w[-:0-9A-Za-z]*)[=:]/) {
$substvars->set($1, $POSTMATCH);
} elsif (m/^-T/) {
$varlistfile = $POSTMATCH;
} elsif (m/^-(h|-help)$/) {
usage();
exit(0);
} elsif (m/^--version$/) {
version();
exit(0);
} elsif (m/^-[EW]$/) {
# Deprecated option
warning(_g("-E and -W are deprecated, they are without effect"));
} elsif (m/^-q$/) {
report_options(quiet_warnings => 1);
$options{'quiet'} = 1;
} elsif (m/^--$/) {
last;
} else {
push @cmdline_options, $_;
}
}
unless (defined($options{'opmode'})) {
usageerr(_g("need -x or -b"));
}
if ($options{'opmode'} eq 'build') {
if (not scalar(@ARGV)) {
usageerr(_g("-b needs a directory"));
}
my $dir = File::Spec->catdir(shift(@ARGV));
stat($dir) || syserr(_g("cannot stat directory %s"), $dir);
if (not -d $dir) {
error(_g("directory argument %s is not a directory"), $dir);
}
$options{'ARGV'} = \@ARGV;
$changelogfile ||= "$dir/debian/changelog";
$controlfile ||= "$dir/debian/control";
my %ch_options = (file => $changelogfile);
$ch_options{"changelogformat"} = $changelogformat if $changelogformat;
my $changelog = parse_changelog(%ch_options);
my $control = Dpkg::Control->new($controlfile);
my $srcpkg = Dpkg::Source::Package->new(options => \%options);
my $fields = $srcpkg->{'fields'};
my @sourcearch;
my %archadded;
my @binarypackages;
# Scan control info of source package
my $src_fields = $control->get_source();
foreach $_ (keys %{$src_fields}) {
my $v = $src_fields->{$_};
if (m/^Source$/i) {
set_source_package($v);
$fields->{$_} = $v;
} elsif (m/^(Standards-Version|Origin|Maintainer|Homepage)$/i ||
m/^Dm-Upload-Allowed$/i ||
m/^Vcs-(Browser|Arch|Bzr|Cvs|Darcs|Git|Hg|Mtn|Svn)$/i) {
$fields->{$_} = $v;
} elsif (m/^Uploaders$/i) {
($fields->{$_} = $v) =~ s/[\r\n]//g; # Merge in a single-line
} elsif (m/^Build-(Depends|Conflicts)(-Indep)?$/i) {
my $dep;
my $type = $dep_field_type{capit($_)};
$dep = Dpkg::Deps::parse($v, union => $type eq 'union');
error(_g("error occurred while parsing %s"), $_) unless defined $dep;
my $facts = Dpkg::Deps::KnownFacts->new();
$dep->simplify_deps($facts);
$dep->sort() if $type eq 'union';
$fields->{$_} = $dep->dump();
} elsif (s/^X[BC]*S[BC]*-//i) { # Include XS-* fields
$fields->{$_} = $v;
} elsif (m/^$control_src_field_regex$/i || m/^X[BC]+-/i) {
# Silently ignore valid fields
} else {
unknown($_, _g('general section of control info file'));
}
}
# Scan control info of binary packages
foreach my $pkg ($control->get_packages()) {
my $p = $pkg->{'Package'};
push(@binarypackages,$p);
foreach $_ (keys %{$pkg}) {
my $v = $pkg->{$_};
if (m/^Architecture$/) {
# Gather all binary architectures in one set. 'any' and 'all'
# are special-cased as they need to be the only ones in the
# current stanza if present.
if (debarch_eq($v, 'any') || debarch_eq($v, 'all')) {
push(@sourcearch, $v) unless $archadded{$v}++;
} else {
for my $a (split(/\s+/, $v)) {
error(_g("`%s' is not a legal architecture string"),
$a)
unless $a =~ /^[\w-]+$/;
error(_g("architecture %s only allowed on its " .
"own (list for package %s is `%s')"),
$a, $p, $a)
if grep($a eq $_, 'any', 'all');
push(@sourcearch, $a) unless $archadded{$a}++;
}
}
} elsif (s/^X[BC]*S[BC]*-//i) { # Include XS-* fields
$fields->{$_} = $v;
} elsif (m/^$control_pkg_field_regex$/ ||
m/^X[BC]+-/i) { # Silently ignore valid fields
} else {
unknown($_, _g("package's section of control info file"));
}
}
}
if (grep($_ eq 'any', @sourcearch)) {
# If we encounter one 'any' then the other arches become insignificant.
@sourcearch = ('any');
}
$fields->{'Architecture'} = join(' ', @sourcearch);
# Scan fields of dpkg-parsechangelog
foreach $_ (keys %{$changelog}) {
my $v = $changelog->{$_};
if (m/^Source$/) {
set_source_package($v);
$fields->{$_} = $v;
} elsif (m/^Version$/) {
check_version($v, 1);
$fields->{$_} = $v;
} elsif (s/^X[BS]*C[BS]*-//i) {
$fields->{$_} = $v;
} elsif (m/^(Maintainer|Changes|Urgency|Distribution|Date|Closes)$/i ||
m/^X[BS]+-/i) {
} else {
unknown($_, _g("parsed version of changelog"));
}
}
$fields->{'Binary'} = join(', ', @binarypackages);
# Generate list of formats to try
my @try_formats = (@cmdline_formats);
if (-e "$dir/debian/source/format") {
open(FORMAT, "<", "$dir/debian/source/format") ||
syserr(_g("cannot read %s"), "$dir/debian/source/format");
my $format = <FORMAT>;
chomp($format);
close(FORMAT);
push @try_formats, $format;
}
push @try_formats, @build_formats;
# Try all suggested formats until one is acceptable
foreach my $format (@try_formats) {
$fields->{'Format'} = $format;
$srcpkg->upgrade_object_type(); # Fails if format is unsupported
my ($res, $msg) = $srcpkg->can_build($dir);
last if $res;
info(_g("source format `%s' discarded: %s"), $format, $msg);
}
info(_g("using source format `%s'"), $fields->{'Format'});
# Parse command line options
$srcpkg->init_options();
$srcpkg->parse_cmdline_options(@cmdline_options);
run_vendor_hook("before-source-build", $srcpkg);
# Build the files (.tar.gz, .diff.gz, etc)
$srcpkg->build($dir);
# Write the .dsc
my $dscname = $srcpkg->get_basename(1) . ".dsc";
info(_g("building %s in %s"), $sourcepackage, $dscname);
$substvars->parse($varlistfile) if $varlistfile && -e $varlistfile;
$srcpkg->write_dsc(filename => $dscname,
remove => \%remove,
override => \%override,
substvars => $substvars);
exit(0);
} elsif ($options{'opmode'} eq 'extract') {
# Check command line
unless (scalar(@ARGV)) {
usageerr(_g("-x needs at least one argument, the .dsc"));
}
if (scalar(@ARGV) > 2) {
usageerr(_g("-x takes no more than two arguments"));
}
my $dsc = shift(@ARGV);
if (-d $dsc) {
usageerr(_g("-x needs the .dsc file as first argument, not a directory"));
}
# Create the object that does everything
my $srcpkg = Dpkg::Source::Package->new(filename => $dsc,
options => \%options);
# Parse command line options
$srcpkg->parse_cmdline_options(@cmdline_options);
# Decide where to unpack
my $newdirectory = $srcpkg->get_basename();
$newdirectory =~ s/_/-/g;
if (@ARGV) {
$newdirectory = File::Spec->catdir(shift(@ARGV));
if (-e $newdirectory) {
error(_g("unpack target exists: %s"), $newdirectory);
}
}
# Various checks before unpacking
unless ($options{'no_check'}) {
if ($srcpkg->is_signed()) {
$srcpkg->check_signature();
} else {
if ($options{'require_valid_signature'}) {
error(_g("%s doesn't contain a valid OpenPGP signature"), $dsc);
} else {
warning(_g("extracting unsigned source package (%s)"), $dsc);
}
}
$srcpkg->check_checksums();
}
# Unpack the source package (delegated to Dpkg::Source::Package::*)
info(_g("extracting %s in %s"), $srcpkg->{'fields'}{'Source'}, $newdirectory);
$srcpkg->extract($newdirectory);
exit(0);
}
sub setopmode {
if (defined($options{'opmode'})) {
usageerr(_g("only one of -x or -b allowed, and only once"));
}
$options{'opmode'} = $_[0];
}
sub version {
printf _g("Debian %s version %s.\n"), $progname, $version;
print _g("
Copyright (C) 1996 Ian Jackson and Klee Dienes.
Copyright (C) 2008 Raphael Hertzog");
print _g("
This is free software; see the GNU General Public Licence version 2 or
later for copying conditions. There is NO warranty.
");
}
sub usage {
printf _g(
"Usage: %s [<option> ...] <command>
Commands:
-x <filename>.dsc [<output-dir>]
extract source package.
-b <dir>
build source package.
Build options:
-c<controlfile> get control info from this file.
-l<changelogfile> get per-version info from this file.
-F<changelogformat> force change log format.
-V<name>=<value> set a substitution variable.
-T<varlistfile> read variables here.
-D<field>=<value> override or add a .dsc field and value.
-U<field> remove a field.
-q quiet mode.
-i[<regexp>] filter out files to ignore diffs of
(defaults to: '%s').
-I[<pattern>] filter out files when building tarballs
(defaults to: %s).
-Z<compression> select compression to use (defaults to '%s',
supported are: %s).
-z<level> compression level to use (defaults to '%d',
supported are: '1'-'9', 'best', 'fast')
Extract options:
--no-copy don't copy .orig tarballs
--no-check don't check signature and checksums before unpacking
--require-valid-signature abort if the package doesn't have a valid signature
General options:
-h, --help show this help message.
--version show the version.
More options are available but they depend on the source package format.
See dpkg-source(1) for more info.
"), $progname,
$Dpkg::Source::Package::diff_ignore_default_regexp,
join(' ', map { "-I$_" } @Dpkg::Source::Package::tar_ignore_default_pattern),
$Dpkg::Source::Compressor::default_compression, "@comp_supported",
$Dpkg::Source::Compressor::default_compression_level;
}
|