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#!/usr/bin/perl
use warnings;
use strict;
use IO::Handle;
use IO::File;
use Dpkg;
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::Control::Fields;
use Dpkg::Version qw(compare_versions);
use Dpkg::Checksums;
textdomain("dpkg-dev");
# Do not pollute STDOUT with info messages
report_options(info_fh => \*STDERR);
my (@samemaint, @changedmaint);
my @spuriousover;
my %packages;
my %overridden;
my @sums;
foreach (@check_supported) {
my $copy = uc($_);
$copy = "MD5sum" if $_ eq "md5";
push @sums, $copy;
}
my @fieldpri = (qw(Package Package-Type Source Version Kernel-Version
Architecture Subarchitecture Essential Origin Bugs
Maintainer Installed-Size Installer-Menu-Item),
field_list_pkg_dep(), qw(Filename Size), @sums,
qw(Section Priority Homepage Description Tag Task));
# This maps the fields into the proper case
my %field_case;
@field_case{map{lc($_)} @fieldpri} = @fieldpri;
use Getopt::Long qw(:config bundling);
my %options = (help => sub { usage(); exit 0; },
version => \&version,
type => undef,
udeb => \&set_type_udeb,
arch => undef,
multiversion => 0,
'extra-override'=> undef,
);
my $result = GetOptions(\%options,
'help|h|?', 'version', 'type|t=s', 'udeb|u!',
'arch|a=s', 'multiversion|m!', 'extra-override|e=s');
sub version {
printf _g("Debian %s version %s.\n"), $progname, $version;
exit;
}
sub usage {
printf _g(
"Usage: %s [<option> ...] <binarypath> [<overridefile> [<pathprefix>]] > Packages
Options:
-t, --type <type> scan for <type> packages (default is 'deb').
-u, --udeb scan for udebs (obsolete alias for -tudeb).
-a, --arch <arch> architecture to scan for.
-m, --multiversion allow multiple versions of a single package.
-e, --extra-override <file>
use extra override file.
-h, --help show this help message.
--version show the version.
"), $progname;
}
sub set_type_udeb()
{
warning(_g("-u, --udeb option is deprecated (see README.feature-removal-schedule)"));
$options{type} = 'udeb';
}
sub load_override
{
my $override = shift;
my $override_fh = new IO::File $override, 'r' or
syserr(_g("Couldn't open override file %s"), $override);
while (<$override_fh>) {
s/\#.*//;
s/\s+$//;
next unless $_;
my ($p, $priority, $section, $maintainer) = split(/\s+/, $_, 4);
if (not defined($packages{$p})) {
push(@spuriousover, $p);
next;
}
for my $package (@{$packages{$p}}) {
if ($maintainer) {
if ($maintainer =~ m/(.+?)\s*=\>\s*(.+)/) {
my $oldmaint = $1;
my $newmaint = $2;
my $debmaint = $$package{Maintainer};
if (!grep($debmaint eq $_, split(m:\s*//\s*:, $oldmaint))) {
push(@changedmaint,
sprintf(_g(" %s (package says %s, not %s)"),
$p, $$package{Maintainer}, $oldmaint));
} else {
$$package{Maintainer} = $newmaint;
}
} elsif ($$package{Maintainer} eq $maintainer) {
push(@samemaint, " $p ($maintainer)");
} else {
warning(_g("Unconditional maintainer override for %s"), $p);
$$package{Maintainer} = $maintainer;
}
}
$$package{Priority} = $priority;
$$package{Section} = $section;
}
$overridden{$p} = 1;
}
close($override_fh);
}
sub load_override_extra
{
my $extra_override = shift;
my $override_fh = new IO::File $extra_override, 'r' or
syserr(_g("Couldn't open override file %s"), $extra_override);
while (<$override_fh>) {
s/\#.*//;
s/\s+$//;
next unless $_;
my ($p, $field, $value) = split(/\s+/, $_, 3);
next unless defined($packages{$p});
for my $package (@{$packages{$p}}) {
$$package{$field} = $value;
}
}
close($override_fh);
}
usage() and exit 1 if not $result;
if (not @ARGV >= 1 && @ARGV <= 3) {
usageerr(_g("1 to 3 args expected"));
}
my $type = defined($options{type}) ? $options{type} : 'deb';
my $arch = $options{arch};
my @find_args;
if ($options{arch}) {
@find_args = ('(', '-name', "*_all.$type", '-o',
'-name', "*_${arch}.$type", ')');
}
else {
@find_args = ('-name', "*.$type");
}
push @find_args, '-follow';
my ($binarydir, $override, $pathprefix) = @ARGV;
-d $binarydir or error(_g("Binary dir %s not found"), $binarydir);
defined($override) and (-e $override or
error(_g("Override file %s not found"), $override));
$pathprefix = '' if not defined $pathprefix;
my %vercache;
sub vercmp {
my ($a,$b)=@_;
return $vercache{$a}{$b} if exists $vercache{$a}{$b};
$vercache{$a}{$b} = compare_versions($a, 'gt', $b);
return $vercache{$a}{$b};
}
my $find_h = new IO::Handle;
open($find_h,'-|','find',"$binarydir/",@find_args,'-print')
or syserr(_g("Couldn't open %s for reading"), $binarydir);
FILE:
while (<$find_h>) {
chomp;
my $fn = $_;
my $control = `dpkg-deb -I $fn control`;
if ($control eq "") {
warning(_g("Couldn't call dpkg-deb on %s: %s, skipping package"),
$fn, $!);
next;
}
if ($?) {
warning(_g("\`dpkg-deb -I %s control' exited with %d, skipping package"),
$fn, $?);
next;
}
my %tv = ();
my $temp = $control;
while ($temp =~ s/^\n*(\S+):[ \t]*(.*(\n[ \t].*)*)\n//) {
my ($key,$value)= (lc $1,$2);
if (defined($field_case{$key})) { $key= $field_case{$key}; }
$value =~ s/\s+$//;
$tv{$key}= $value;
}
$temp =~ /^\n*$/
or error(_g("Unprocessed text from %s control file; info:\n%s / %s"),
$fn, $control, $temp);
defined($tv{'Package'})
or error(_g("No Package field in control file of %s"), $fn);
my $p= $tv{'Package'}; delete $tv{'Package'};
if (defined($packages{$p}) and not $options{multiversion}) {
foreach (@{$packages{$p}}) {
if (vercmp($tv{'Version'}, $_->{'Version'})) {
warning(_g("Package %s (filename %s) is repeat but newer version;"),
$p, $fn);
warning(_g("used that one and ignored data from %s!"),
$_->{Filename});
$packages{$p} = [];
} else {
warning(_g("Package %s (filename %s) is repeat;"), $p, $fn);
warning(_g("ignored that one and using data from %s!"),
$_->{Filename});
next FILE;
}
}
}
warning(_g("Package %s (filename %s) has Filename field!"), $p, $fn)
if defined($tv{'Filename'});
$tv{'Filename'}= "$pathprefix$fn";
my $sums = {};
my $size;
getchecksums($fn, $sums, \$size);
foreach my $alg (@check_supported) {
if ($alg eq "md5") {
$tv{'MD5sum'} = $sums->{'md5'};
} else {
$tv{uc($alg)} = $sums->{$alg};
}
}
$tv{'Size'} = $size;
push @{$packages{$p}}, {%tv};
}
close($find_h);
load_override($override) if defined $override;
load_override_extra($options{'extra-override'}) if defined $options{'extra-override'};
my @missingover=();
my $records_written = 0;
for my $p (sort keys %packages) {
if (defined($override) and not defined($overridden{$p})) {
push(@missingover,$p);
}
for my $package (@{$packages{$p}}) {
my $record= "Package: $p\n";
for my $key (@fieldpri) {
next unless defined $$package{$key};
$record .= "$key: $$package{$key}\n";
}
$record .= "\n";
$records_written++;
print(STDOUT $record) or syserr(_g("Failed when writing stdout"));
}
}
close(STDOUT) or syserr(_g("Couldn't close stdout"));
if (@changedmaint) {
warning(_g("Packages in override file with incorrect old maintainer value:"));
warning($_) foreach (@changedmaint);
}
if (@samemaint) {
warning(_g("Packages specifying same maintainer as override file:"));
warning($_) foreach (@samemaint);
}
if (@missingover) {
warning(_g("Packages in archive but missing from override file:"));
warning(" %s", join(' ', @missingover));
}
if (@spuriousover) {
warning(_g("Packages in override file but not in archive:"));
warning(" %s", join(' ', @spuriousover));
}
info(_g("Wrote %s entries to output Packages file."), $records_written);
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