#!/usr/bin/perl

use MDK::Common;
use lib "../perl-install";
use keyboard;

my $lib = (arch() =~ /x86_64/ ? "lib64" : "lib");
my $tmp = "/tmp/rescue_tmp";
my $rescue = "rescue.clp";

my $sudo = '';
if ($>) {
    $sudo = "sudo";
    $ENV{PATH} = "/sbin:/usr/sbin:$ENV{PATH}";
}

BEGIN { undef *_ }
sub __ { print @_, "\n"; system(@_) }
sub _ { __ @_; $? and die }

sub installown($$) {
    my ($own, $dir) = @_;
    return if -e "$tmp$dir/" . basename($own);
    mkdir_p("$tmp$dir");
    _ "cp -rL $own $tmp$dir";
}

sub install_perl_script {
    my ($script, $dir) = @_;
    my @gi_modules;
    foreach (`../tools/get-needed-drakx-modules ../perl-install /usr/lib/libDrakX $script`) {
	chomp;
	my ($local, $dest) = split "\t";
	installown($local, dirname($dest || $local));
	push @gi_modules, "$tmp$dest" if $dest;
    }    
    installown($script, $dir);
    system('../tools/simplify-drakx-modules', @gi_modules, "$tmp$dir/$script");
}

_ "$sudo rm -rf $tmp" if -e $tmp;
_ "mkdir $tmp";
_ 'find . -name "*~" | xargs rm -f';
mkdir_p($tmp . chomp_($_)) foreach cat_("dirs");
_ "cp -a tree/* $tmp";
_ "find $tmp -name 'CVS*' | xargs rm -rf";
_ "perl devices.pl $tmp/dev";
substInFile { s/DISTRIB_DESCR/$ENV{DISTRIB_DESCR}/ } "$tmp/etc/issue";

{
    _ "cd ../mdk-stage1 && make rescue-gui dhcp-client";
    -e "../kernel/all.kernels" or die "use ./update_kernel in gi/kernel first\n";

    $ENV{MAIN_KERNEL} = chomp_(`cat ../kernel/RPMS/.main`);

    _ "../tools/install-xml-file-list list.xml $tmp";
}

my %keytable_conflicts;
my @less_important_keytables = qw(am_old am_phonetic no-dvorak fr_CH-latin1);
foreach (keyboard::loadkeys_files()) {
    my ($dir, $fname) = (dirname($_), basename($_));
    my ($name) = $fname =~ /(.*)\.kmap\.gz/ or next;
    next if member($name, @less_important_keytables);
    if (my ($short) = $name =~ m|(.+?)[\W_]|) {
	$keytable_conflicts{$short} and warn("conflict between $keytable_conflicts{$short} and $name for short name $short (choosing the first)\n"), next;
	$keytable_conflicts{$short} = $name;
	# create the short name based on the long one
	symlinkf($fname, "$tmp$dir/$short.kmap.gz");
    }
}

foreach (cat_("aliases")) {
    chomp; my ($f, $dest) = split;
    symlink $dest, "$tmp$f";
}

if ($ENV{PARTIMAGE_RPM}) {

    _ "rpm2cpio $ENV{PARTIMAGE_RPM} | (cd $tmp ; cpio -idu ./usr/sbin/partimage)";
    my $server = 'partimaged';
    $server = 'leia';

    my $default_dir = '/data/box';
    my $partimage_dir = $ENV{PARTIMAGE_DIR} || $default_dir;
    my @local_dirs = map { "/tmp/image$_" } split(' ', $partimage_dir);
    my $local_dir = $local_dirs[0];
    my $local_dirs = join(' ', @local_dirs);

    substInFile {
	$_ = <<EOF if /^\s*rescue-gui/;
  if grep -q save_all /proc/cmdline; then
      drvinst NETWORK ; dhcp-client ; partimage_whole_disk -s $server save_all $default_dir
      echo "Press enter"
      read
  fi
  if grep -q rest_all /proc/cmdline; then
      if [ -d $local_dir ]; then
          partimage_whole_disk rest_all $local_dirs
      else
          drvinst NETWORK ; dhcp-client ; partimage_whole_disk -s $server rest_all $partimage_dir
      fi
      echo "Press enter"
      read
  fi
EOF
    } "$tmp/etc/rc.sysinit";
}

_ "$sudo chown root.root -R $tmp/*";

exit 0 if $ARGV[0];

_ "mkisofs -quiet -D -R $tmp | create_compressed_fs - 65536 $rescue 200 2>/dev/null";
#_ "$sudo rm -rf $tmp";