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package common; # $Id$
use MDK::Common;
use MDK::Common::System;
use diagnostics;
use strict;
use run_program;
use vars qw(@ISA @EXPORT $SECTORSIZE);
@ISA = qw(Exporter);
# no need to export ``_''
@EXPORT = qw($SECTORSIZE N N_ translate untranslate formatXiB removeXiBSuffix formatTime setVirtual makedev unmakedev salt set_permissions files_exist set_alternative mandrake_release);
# perl_checker: RE-EXPORT-ALL
push @EXPORT, @MDK::Common::EXPORT;
#-#####################################################################################
#- Globals
#-#####################################################################################
$SECTORSIZE = 512;
#-#####################################################################################
#- Functions
#-#####################################################################################
sub N {
my $s = shift @_; my $t = translate($s);
sprintf $t, @_;
}
sub N_ { $_[0] }
sub salt {
my ($nb) = @_;
require devices;
open my $F, devices::make("random") or die "missing random";
my $s; read $F, $s, $nb;
$s = pack("b8" x $nb, unpack "b6" x $nb, $s);
$s =~ tr|\0-\x3f|0-9a-zA-Z./|;
$s;
}
sub makedev { ($_[0] << 8) | $_[1] }
sub unmakedev { $_[0] >> 8, $_[0] & 0xff }
sub translate {
my ($s) = @_;
$s or return '';
foreach ('libDrakX', @::textdomains) {
my $s2 = c::dgettext($_, $s);
return $s2 if $s ne $s2;
}
$s;
}
sub untranslate {
my $s = shift || return;
foreach (@_) { translate($_) eq $s and return $_ }
die "untranslate failed";
}
BEGIN { undef *availableRamMB }
sub availableRamMB() {
my $s = MDK::Common::System::availableRamMB();
#- HACK HACK: if i810 and memsize
require detect_devices;
return $s - 1 if $s == 128 && grep { $_->{driver} eq 'Card:Intel 810' } detect_devices::probeall();
$s;
}
sub setVirtual {
my ($vt_number) = @_;
my $vt = '';
sysopen my $C, "/dev/console", 2 or die "failed to open /dev/console: $!";
ioctl($C, c::VT_GETSTATE(), $vt) &&
ioctl($C, c::VT_ACTIVATE(), $vt_number) &&
ioctl($C, c::VT_WAITACTIVE(), $vt_number) or die "setVirtual failed";
unpack "S", $vt;
}
sub removeXiBSuffix {
local $_ = shift;
/(\d+)\s*kB?$/i and return $1 * 1024;
/(\d+)\s*MB?$/i and return $1 * 1024 * 1024;
/(\d+)\s*GB?$/i and return $1 * 1024 * 1024 * 1024;
/(\d+)\s*TB?$/i and return $1 * 1024 * 1024 * 1024 * 1024;
$_;
}
sub formatXiB {
my ($newnb, $newbase) = (@_, 1);
my ($nb, $base);
my $decr = sub {
($nb, $base) = ($newnb, $newbase);
$base >= 1024 ? ($newbase = $base / 1024) : ($newnb = $nb / 1024);
};
foreach ('', N("KB"), N("MB"), N("GB")) {
$decr->();
if ($newnb < 1 && $newnb * $newbase < 1) {
my $v = $nb * $base;
my $s = $v < 10 && int(10 * $v - 10 * int($v));
return int($v) . ($s ? ".$s" : '') . $_;
}
}
int($newnb * $newbase) . N("TB");
}
sub formatTime {
my ($s, $m, $h) = gmtime($_[0]);
if ($h) {
sprintf "%02d:%02d", $h, $m;
} elsif ($m > 1) {
N("%d minutes", $m);
} elsif ($m == 1) {
N("1 minute");
} else {
N("%d seconds", $s);
}
}
sub usingRamdisk { scalar(grep { /ram3/ } cat_("/proc/mounts")) }
sub expand_symlinks_but_simple {
my ($f) = @_;
my $link = readlink($f);
my $f2 = expand_symlinks($f);
if ($link && $link !~ m|/|) {
# put back the last simple symlink
$f2 =~ s|\Q$link\E$|basename($f)|e;
}
$f2
}
sub sync { &MDK::Common::System::sync }
# Group the list by n. Returns a reference of lists of length n
sub group_n_lm {
my $n = shift;
my @l;
push @l, [ splice(@_, 0, $n) ] while @_;
@l
}
sub screenshot_dir__and_move {
my ($dir1, $dir2) = ("$::prefix/root", '/tmp/stage2');
if (-e $dir1) {
if (-e "$dir2/DrakX-screenshots") {
cp_af("$dir2/DrakX-screenshots", $dir1);
rm_rf("$dir2/DrakX-screenshots");
}
$dir1;
} else {
$dir2;
}
}
sub take_screenshot {
my ($in) = @_;
my $dir = screenshot_dir__and_move() . '/DrakX-screenshots';
my $warn;
if (!-e $dir) {
mkdir $dir or $in->ask_warn('', N("Can't make screenshots before partitioning")), return;
$warn = 1;
}
my $nb = 1;
$nb++ while -e "$dir/$nb.png";
system("fb2png /dev/fb0 $dir/$nb.png 0");
$in->ask_warn('', N("Screenshots will be available after install in %s", "/root/DrakX-screenshots")) if $warn;
}
sub join_lines {
my @l;
my $s;
foreach (@_) {
if (/^\s/) {
$s .= $_;
} else {
push @l, $s if $s;
$s = $_;
}
}
@l, if_($s, $s);
}
sub set_alternative {
my ($command, $executable) = @_;
#- check the existance of $executable as an alternative for $command
#- (is this needed???)
run_program::rooted_get_stdout($::prefix, 'update-alternatives', '--display', $command) =~ /^\Q$executable /m or return;
#- this doesn't handle relative symlink, but neither does update-alternatives ;p
symlinkf $executable, "$::prefix/etc/alternatives/$command";
}
sub files_exist { and_(map { -f "$::prefix$_" } @_) }
sub set_permissions {
my ($file, $perms, $owner, $group) = @_;
# We only need to set the permissions during installation to be able to
# print test pages. After installation the devfsd daemon does the business
# automatically.
return 1 unless $::isInstall;
if ($owner && $group) {
run_program::rooted($::prefix, "/bin/chown", "$owner.$group", $file)
or die "Could not start chown!";
} elsif ($owner) {
run_program::rooted($::prefix, "/bin/chown", $owner, $file)
or die "Could not start chown!";
} elsif ($group) {
run_program::rooted($::prefix, "/bin/chgrp", $group, $file)
or die "Could not start chgrp!";
}
run_program::rooted($::prefix, "/bin/chmod", $perms, $file)
or die "Could not start chmod!";
}
sub mandrake_release {
chomp_(cat_("/etc/mandrake-release"))
}
1;
|
