#!/usr/bin/perl use MDK::Common; use list_modules; my $RPMS = '/export/media/main'; my $rpm = 'rpm --nosignature'; my $MOVE = $ARGV[0] eq '--move' && shift; @ARGV <= 1 or die "usage: ./update_kernel [--move] [<kernel rpm>]\n"; mkdir 'all.kernels'; # make sure "all.kernels" directory exists eval { rm_rf('all.modules') }; #- not used anymore my $main = chomp_(cat_('all.kernels/.main')); my $main_BOOT = chomp_(cat_('all.kernels/.main-BOOT')); if (@ARGV) { install_kernel($ARGV[0]); } else { update_kernel_from_repository($RPMS, '2.6', 0); update_kernel_from_repository($RPMS, '2.6', 1); # update_kernel_from_repository($RPMS, '2.4', 1); } sub system_verbose { print join(' ', @_), "\n"; system(@_) } sub sys { &system_verbose; $? and die } sub rpm2version { my ($kernel_rpm) = @_; `$rpm -qpl $kernel_rpm` =~ m!/boot/vmlinuz-(.*)! && $1 or die "can't find vmlinuz in $kernel_rpm\n"; } sub update_kernel_from_repository { my ($RPMS, $main_ver, $is_BOOT) = @_; my $rpm_wildcard = 'kernel-' . ($is_BOOT ? 'BOOT-' : '') . $main_ver . '*.rpm'; my ($kernel_rpm) = my @kernels = glob("$RPMS/$rpm_wildcard"); @kernels <= 1 or die "more than one kernel match $rpm_wildcard"; @kernels >= 1 or return; # die "no kernel match $rpm_wildcard"; install_kernel($kernel_rpm, 1); } sub install_kernel { my ($kernel_rpm, $o_update) = @_; my $kern_ver = rpm2version($kernel_rpm); my $dir = "all.kernels/$kern_ver"; -d $dir and return if $o_update; my $is_BOOT = $kern_ver =~ /BOOT/; my ($main_ver) = $kern_ver =~ /^(2\.\d)/; if (my @previous = grep { ($is_BOOT xor !/BOOT/) && /^\Q$main_ver/ } all('all.kernels')) { warn "Removing previous kernels ", join(' ', @previous), "\n"; rm_rf("all.kernels/$_") foreach @previous; } if (!$main || !-d "all.kernels/$main") { $main = $kern_ver; output('all.kernels/.main', "$main\n"); } if ($is_BOOT && (!$main_BOOT || !-d "all.kernels/$main_BOOT")) { $main_BOOT = $kern_ver; output('all.kernels/.main-BOOT', "$main_BOOT\n"); } warn "Installing kernel $kern_ver\n"; eval { rm_rf($dir) }; mkdir_p("$dir/modules"); sys("rpm2cpio $kernel_rpm | (cd $dir ; cpio -id)"); rename "$dir/boot/vmlinuz-$kern_ver", "$dir/vmlinuz" or die "can't find vmlinuz\n"; sys("find $dir -name '*.gz' | xargs gunzip"); my $ext = module_extension($kern_ver); open(my $F, "find $dir -name '*.$ext' |"); my $file; while ($file = <$F>) { chomp($file); rename $file, "$dir/modules/" . basename($file) or warn "conflict for $file\n"; } if (kernel_is_26($kern_ver)) { warn "no stripping on 2.6 since it breaks modules\n"; } else { print STDERR "stripping $kern_ver: "; sys("./strip_modules $dir/modules/*.$ext"); print STDERR "done\n"; } sys('perl', 'modules.pl', 'remove_unneeded_modules', $kern_ver) if $kern_ver !~ /BOOT/; sys('perl', 'modules.pl', 'make_modules_per_image', $kern_ver); sys('perl', 'modules.pl', 'make_modules_description', $kern_ver) if $kern_ver eq $main; if (!$MOVE) { print STDERR "packdrake $kern_ver: "; sys("cd $dir/modules ; ls *.$ext | packdrake -b9s ../modules.cz 400000"); print STDERR "done\n"; } eval { rm_rf("$dir$_") } foreach qw(/boot /lib /usr /modules); }