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#!/usr/bin/perl
# XFdrake
# Copyright (C) 2002 MandrakeSoft (pixel@mandrakesoft.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
use lib qw(/usr/lib/libDrakX);
use standalone; #- warning, standalone must be loaded very first, for 'explanations'
use detect_devices;
use common;
use fsedit;
use lang;
use any;
use fs;
$::testing = $ARGV[0] eq '--test' && shift;
$::auto = $ARGV[0] eq '--auto' && shift;
my ($raw_action, $device_name) = @ARGV;
my ($action) = $raw_action =~ /^--(add|del)/;
@ARGV == 2 && $action or die "usage: drakupdate_fstab [--test] [--auto] [--add | --del] <device>\n";
main($action, $device_name);
sub check_hard_drives {
my ($name) = @_;
#- do not do anything if there are many partitions
#- otherwise we may add main extended partitions
if ($name =~ s|/part\d+$||) {
! grep { /part[5-9]/ } all($name);
} else {
1;
}
}
sub device_name_to_entry {
my ($name) = @_;
$name =~ s|/dev/||;
my @l = detect_devices::get();
my ($e, $nb);
if ((my $devfs_prefix, $nb) = $name =~ m,(.*)/(?:cd|disc|part(\d+))$,) {
($e) = grep { $_->{devfs_prefix} eq $devfs_prefix } @l or return;
} else {
if (($e) = grep { $name eq $_->{device} } @l) {
$nb = '';
} else {
(my $prefix, $nb) = $name =~ m/^(.*?)(\d*)$/;
($e) = grep { $prefix eq ($_->{prefix} || $_->{device}) } @l or return;
}
}
if ($nb) {
$e->{devfs_device} = $e->{devfs_prefix} . '/part' . $nb;
$e->{device} = ($e->{prefix} || $e->{device}) . $nb;
}
$e;
}
sub set_options {
my ($part) = @_;
my $use_supermount = cat_('/etc/fstab') =~ /supermount/;
my $security = any::get_secure_level();
my ($iocharset, $codepage) = lang::fs_options(lang::read());
fs::set_default_options($part, 1, $use_supermount, $security, $iocharset, $codepage);
}
sub set_mount_point {
my ($part, $fstab) = @_;
my $mntpoint = detect_devices::suggest_mount_point($part) or return;
$mntpoint = "/mnt/$mntpoint";
foreach ('', 2 .. 10) {
next if fsedit::mntpoint2part("$mntpoint$_", $fstab);
$part->{mntpoint} = "$mntpoint$_";
return 1;
}
0;
}
sub main {
my ($action, $device_name) = @_;
if ($::auto) {
check_hard_drives($device_name) or return;
}
my $part = device_name_to_entry($device_name);
my $fstab_file = '/etc/fstab';
if (!$part) {
print STDERR "Can't find device $device_name\n" if $::testing;
return;
} elsif ($::testing) {
cp_af('/etc/fstab', $fstab_file = '/tmp/fstab');
}
my $fstab = [ fs::read_fstab('', '/etc/fstab', 'keep_freq_passno', 'verbatim_credentials') ];
my ($existing_fstab_entries, $fstab_) = partition { $_->{device} eq $part->{device} || $_->{device} eq $part->{devfs_device} } @$fstab;
if ($action eq 'add') {
if (@$existing_fstab_entries) {
print STDERR "Already in fstab\n" if $::testing;
return;
}
set_options($part);
set_mount_point($part, $fstab) or return;
my ($line) = fs::prepare_write_fstab([$part]);
append_to_file($fstab_file, $line) if $line;
} else {
if (!@$existing_fstab_entries) {
print STDERR "Not found in fstab\n" if $::testing;
return;
}
my ($s) = fs::prepare_write_fstab($fstab_, '', 'keep_smb_credentials');
output($fstab_file, $s);
}
if ($::testing) {
print "fstab would have changed:\n";
system("diff -u /etc/fstab $fstab_file");
}
}
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