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-rw-r--r--perl-install/bootloader.pm88
1 files changed, 88 insertions, 0 deletions
diff --git a/perl-install/bootloader.pm b/perl-install/bootloader.pm
index 200d8fd33..ce39ac12d 100644
--- a/perl-install/bootloader.pm
+++ b/perl-install/bootloader.pm
@@ -23,6 +23,16 @@ use modules;
B<bootloader> enables to configure various boot loaders (LILO, GRUB Legacy, GRUB2, ...)
+Example of usage:
+
+ $all_hds = fsedit::get_hds();
+ fs::get_raw_hds('', $all_hds);
+ fs::get_info_from_fstab($all_hds);
+ $fstab = [ fs::get::fstab($all_hds) ];
+ $bootloader = bootloader::read($all_hds);
+ (...)
+ bootloader::action($bootloader, 'write', $all_hds);
+
=head1 Functions
=over
@@ -113,6 +123,12 @@ sub get_label {
undef;
}
+=item mkinitrd($kernel_version, $bootloader, $entry, $initrd)
+
+Regenerates kernel's initrd.
+
+=cut
+
sub mkinitrd {
my ($kernel_version, $bootloader, $entry, $initrd) = @_;
@@ -150,6 +166,13 @@ sub mkinitrd {
-e "$::prefix/$initrd" && $initrd;
}
+=item rebuild_initrd($kernel_version, $bootloader, $entry, $initrd)
+
+Saves the old initrd then regenerate it.
+If it fails, restore the old initrd.
+
+=cut
+
sub rebuild_initrd {
my ($kernel_version, $bootloader, $entry, $initrd) = @_;
@@ -194,6 +217,12 @@ sub update_splash {
}
}
+=item read($all_hds)
+
+Reads bootloader config by calling the proper read_XYZ function.
+
+=cut
+
sub read {
my ($all_hds) = @_;
my $fstab = [ fs::get::fstab($all_hds) ];
@@ -240,6 +269,12 @@ sub read {
}
}
+=item read_grub2 ($o_fstab)
+
+Read back GRUB2 config + C</boot/grub2/drakboot.conf>
+
+=cut
+
sub read_grub2 {
my %bootloader = getVarsFromSh("$::prefix/boot/grub2/drakboot.conf");
my %h = getVarsFromSh("$::prefix/etc/default/grub");
@@ -268,6 +303,12 @@ sub read_grub2 {
\%bootloader;
}
+=item read_grub($fstab)
+
+Reads back Grub Legacy config.
+
+=cut
+
sub read_grub {
my ($fstab) = @_;
@@ -326,6 +367,12 @@ sub _may_fix_grub2dev {
$grub2dev->{$hd_grub} = $real_boot_dev;
}
+=item read_grub_install_sh() {
+
+Reads "config" from /boot/grub/install.sh (mainly used partitions)
+
+=cut
+
sub read_grub_install_sh() {
my $s = cat_("$::prefix/boot/grub/install.sh");
my %h;
@@ -391,11 +438,24 @@ sub _parse_grub_menu_lst() {
%b;
}
+
+=item is_already_crypted($password)
+
+Returns whether grub password is already crypted or not
+
+=cut
+
sub is_already_crypted {
my ($password) = @_;
$password =~ /^--md5 (.*)/;
}
+=item read_grub_menu_lst($fstab, $grub2dev)
+
+Read config from /boot/grub/menu.lst
+
+=cut
+
sub read_grub_menu_lst {
my ($fstab, $grub2dev) = @_;
@@ -834,6 +894,12 @@ sub add_kernel {
add_entry($bootloader, $v);
}
+=item rebuild_initrds($bootloader)
+
+Rebuilds all initrds
+
+=cut
+
sub rebuild_initrds {
my ($bootloader) = @_;
@@ -2123,6 +2189,16 @@ sub when_config_changed_grub {
update_copy_in_boot($_) foreach glob($::prefix . boot_copies_dir() . '/*.link');
}
+=item action($bootloader, $action, @para)
+
+Calls the C<$action> function with @para parameters:
+
+ $actions->($bootloader, @para)
+
+If needed, the function name will be resolved to call a boot loader specific function (eg: for LILO/GRUB/...)
+
+=cut
+
sub action {
my ($bootloader, $action, @para) = @_;
@@ -2131,6 +2207,12 @@ sub action {
$f->($bootloader, @para);
}
+=item install($bootloader, $all_hds)
+
+Writes back the boot loader config. Calls the proper write_XYZ() function.
+
+=cut
+
sub install {
my ($bootloader, $all_hds) = @_;
@@ -2194,6 +2276,12 @@ sub parse_grub2_config {
}
}
+=item find_other_distros_grub_conf($fstab)
+
+Returns a list of other distros' grub.conf
+
+=cut
+
sub find_other_distros_grub_conf {
my ($fstab) = @_;