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#!/usr/bin/perl
#
# Guillaume Cottenceau
#
# Copyright 2001-2005 Mandriva
#
# This software may be freely redistributed under the terms of the GNU
# public license.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

use lib qw(/usr/lib/libDrakX);
use common;
use bootloader;
use fs;

my $auto;
if ($ARGV[0] eq '--auto') {
    $auto = shift @ARGV;
}

$::prefix = '/mnt';

my $release = common::mageia_release($::prefix) || 
  do {
      system('guessmounts') == 0 or die 'guessmounts failed';
      common::mageia_release($::prefix);
  };

if ($release) {
    $release =~ /Mageia|Mandriva/ or die "release file doesn't contain '%s', exiting.\n";
} elsif (fs::get::mntpoint2part($::prefix, [ fs::read_fstab('', '/proc/mounts') ])) {
    die "unknown distribution mounted in $::prefix\n";
} else {
    die "Your root device isn't mounted on $::prefix\n";
}

my @main_methods = bootloader::configured_main_methods();

my $main_method;
if (@main_methods == 0) {
    die "Cannot find a configured boot loader\n";
} elsif (@main_methods == 1) {
    ($main_method) = @main_methods;
} else {
    while (1) {
	print "Configuration files for Boot Loaders ", join(' and ', @main_methods), " were found.\n";
	print "Which one one should be installed? ";
	chomp($main_method = <STDIN>);
	if (member($main_method, @main_methods)) {
	    last;
	} else {
	    print "bad choice\n";
	}
    }
}

my $install = $bootloader::{'install_raw_' . $main_method} or die "unknown bootloader method install_raw_$main_method\n";

print "About to re-install Boot Loader $main_method of following Mageia distribution:\n\t",
  $release, "\n";
if (!$auto) {
    print "=> ok? <press Enter to continue, 'n' and Enter to cancel> ";
    <STDIN> =~ /^n/i and exit 0;
}

$install->();