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|
#!/usr/bin/perl
# Generate a debian/control from the control stub, the kernel-versions
# files, and the package-list.
use strict;
use warnings;
my @controlfields=qw(Package XC-Package-Type Provides Depends Architecture XB-Kernel-Version Section Priority Description);
my @versions;
my @packages;
my %packages;
my @builddeps;
my %excluded;
if (open(EXCLUDED, "exclude-packages")) {
while (<EXCLUDED>) {
chomp;
$excluded{$_}=1;
}
close EXCLUDED;
}
open(KVERS, "kernel-versions") || die "kernel-versions: $!";
while (<KVERS>) {
chomp;
next if /^#/ || ! length;
my ($arch, $kernelversion, $flavour, $installedname, $multkern, $builddep)=split(' ', $_, 6);
if (! length $arch || ! length $kernelversion || ! length $flavour) {
die "parse error";
}
push @versions, [ $arch, $kernelversion, $flavour ];
foreach my $pkg (split(", ", $builddep)) {
push @builddeps, "$pkg [$arch]";
}
}
close KVERS;
open(STUB, "debian/control.stub") || die "debian/control.stub: $!";
while (<STUB>) {
chomp;
if (/^Build-Depends:/) {
$_=join(", ", $_, @builddeps);
}
print $_."\n";
}
close STUB;
sub read_package_list
{
sub merge_package
{
my %pkg = %{$_[0]};
if (not exists $packages{$pkg{Package}}) {
push @packages, $pkg{Package};
$packages{$pkg{Package}} = \%pkg;
}
else {
my %real_pkg = %{$packages{$pkg{Package}}};
foreach (keys(%pkg)) {
$real_pkg{$_} = $pkg{$_};
}
$packages{$pkg{Package}} = \%real_pkg;
}
}
my $file = shift;
open(LIST, $file) || die "package-list: $!";
my $field;
my %pkg;
while (<LIST>) {
chomp;
next if /^#/;
if (/^(\S+):\s*(.*)/) {
$field=$1;
my $val=$2;
if (! grep { $field =~ /^\Q$_\E(_.+)?$/ } @controlfields) {
die "unknown field, $field";
}
$pkg{$field}=$val;
}
elsif (/^$/) {
if (%pkg) {
merge_package(\%pkg);
%pkg=();
}
}
elsif (/^(\s+.*)/) {
# continued field
$pkg{$field}.="\n".$1;
}
}
if (%pkg) {
merge_package(\%pkg);
}
close LIST;
}
read_package_list("/usr/share/kernel-wedge/package-list");
read_package_list("package-list");
foreach my $ver (@versions) {
my ($arch, $kernelversion, $flavour) = @$ver;
foreach my $pkg_name (@packages) {
my %pkg = %{$packages{$pkg_name}};
# Used to get a field of the package, looking first for
# architecture-specific fields.
my $package = sub {
my $field=shift;
return $pkg{$field."_".$flavour}
if exists $pkg{$field."_".$flavour};
return $pkg{$field."_".$arch."_".$flavour}
if exists $pkg{$field."_".$arch."_".$flavour};
return $pkg{$field."_".$arch}
if exists $pkg{$field."_".$arch};
return $pkg{$field}
if exists $pkg{$field};
return undef;
};
# Check for a modules list file for this architecture and
# package.
my $modlistdir="";
if (-d "modules/$arch-$flavour") {
$modlistdir="modules/$arch-$flavour";
}
elsif (-d "modules/$flavour") {
$modlistdir="modules/$flavour";
}
else {
$modlistdir="modules/$arch";
}
next unless -e "$modlistdir/".$package->("Package");
$pkg{Architecture}=$arch;
$pkg{orig_package}=$package->("Package");
$pkg{Package}=$package->("Package")."-".$kernelversion."-".$flavour."-di";
$pkg{'XC-Package-Type'}="udeb";
$pkg{'XB-Kernel-Version'}=$kernelversion."-".$flavour;
next if $excluded{$pkg{Package}};
print "\n";
if (! defined $package->("Section") || $package->("Section") !~ /debian-installer$/) {
$pkg{Section}="debian-installer";
}
if (defined $package->("Depends")) {
$pkg{Depends}=join(", ",
map { $_."-".$kernelversion."-".$flavour."-di" }
# Remove force marker.
map { s/!$//; $_ }
# If the dep is not built for this arch,
# skip it, unless it's forced.
grep { -e "$modlistdir/$_" || /!$/ }
split(", ", $package->("Depends")));
}
foreach my $field (@controlfields) {
if ($field eq 'Provides') {
if (defined $package->("Provides")) {
print $field.": ".$package->("orig_package").", ".$package->("Provides")."\n";
}
else {
print $field.": ".$package->("orig_package")."\n";
}
}
else {
print $field.": ".$package->($field)."\n"
if defined $package->($field);
}
}
}
}
|
