113 lines
2.1 KiB
Plaintext
113 lines
2.1 KiB
Plaintext
|
#!/usr/bin/perl
|
||
|
|
|
||
|
|
use strict;
|
||
|
|
|
||
|
|
my $grub2_dir;
|
||
|
|
my $grub2_reboot;
|
||
|
|
my $show_mapped;
|
||
|
|
my $id_name;
|
||
|
|
my @menuentry;
|
||
|
|
|
||
|
|
sub parse_menuentry {
|
||
|
|
|
||
|
|
my ($parent, $menu) = @_;
|
||
|
|
my @m = $menu =~ /(submenu|menuentry) \s+ '([^']*)' .*? ( \{ (?: [^{}]* | (?3))* \} )/sxg;
|
||
|
|
|
||
|
|
for (my $i = 0; $i <= $#m; $i += 3) {
|
||
|
|
|
||
|
|
my $type = $m[$i];
|
||
|
|
my $title = $m[$i+1];
|
||
|
|
my $data = $m[$i+2];
|
||
|
|
my $name = ($parent) ? "$parent>$title" : "$title";
|
||
|
|
|
||
|
|
if ($type eq "menuentry") {
|
||
|
|
push @menuentry, $name;
|
||
|
|
} elsif ($type eq "submenu") {
|
||
|
|
&parse_menuentry ($name, $data);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$id_name = "";
|
||
|
|
if (@ARGV == 2 && ($ARGV[0] eq "--show-mapped")) {
|
||
|
|
$show_mapped = 1;
|
||
|
|
$id_name = $ARGV[1];
|
||
|
|
} elsif (@ARGV == 1) {
|
||
|
|
$show_mapped = 0;
|
||
|
|
$id_name = $ARGV[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
die "wrong command line options" if ($id_name eq "");
|
||
|
|
|
||
|
|
open(SYSCONF, "</etc/sysconfig/bootloader") || die "no bootloader sysconfig";
|
||
|
|
|
||
|
|
$grub2_dir = "";
|
||
|
|
while (<SYSCONF>) {
|
||
|
|
if (/LOADER_TYPE="(.*)"/) {
|
||
|
|
my $bl = $1;
|
||
|
|
if ($bl eq "grub2") {
|
||
|
|
$grub2_dir = "/boot/grub2";
|
||
|
|
$grub2_reboot = "/usr/sbin/grub2-reboot";
|
||
|
|
} elsif ($bl eq "grub2-efi") {
|
||
|
|
$grub2_dir = "/boot/grub2-efi";
|
||
|
|
$grub2_reboot = "/usr/sbin/grub2-efi-reboot";
|
||
|
|
}
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
close (SYSCONF);
|
||
|
|
|
||
|
|
die "no grub2_dir" if ($grub2_dir eq "");
|
||
|
|
|
||
|
|
open(MENU, "<$grub2_dir/grub.cfg") || die "no grub.cfg in $grub2_dir";
|
||
|
|
undef $/;
|
||
|
|
|
||
|
|
while (<MENU>) {
|
||
|
|
&parse_menuentry ("", $_);
|
||
|
|
}
|
||
|
|
|
||
|
|
close (MENU);
|
||
|
|
|
||
|
|
my $ret = "";
|
||
|
|
my $name = "";
|
||
|
|
my $id = -1;
|
||
|
|
|
||
|
|
if ($id_name =~ m!^[0-9]+$!) {
|
||
|
|
|
||
|
|
if ($id_name < @menuentry) {
|
||
|
|
$id = $id_name;
|
||
|
|
$name = $menuentry[$id];
|
||
|
|
$ret = $name;
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
my $i = -1;
|
||
|
|
my $c = 0;
|
||
|
|
|
||
|
|
$name = $id_name;
|
||
|
|
|
||
|
|
foreach my $e (@menuentry) {
|
||
|
|
if ($e =~ qr!\Q$name\E!) {
|
||
|
|
$i = $c;
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
} continue {
|
||
|
|
++$c;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($i >= 0) {
|
||
|
|
$id = $i;
|
||
|
|
$name = $menuentry[$id];
|
||
|
|
$ret = "$id";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($show_mapped > 0) {
|
||
|
|
print $ret;
|
||
|
|
} else {
|
||
|
|
system "$grub2_reboot \"$name\"";
|
||
|
|
}
|
||
|
|
|