#!/usr/bin/perl # this script takes kernels rpms from RPMS/ and create various files in all_kernels/ # for each rpms in RPMS, it does: # RPMS/kernel-VER-*.rpm -> # all.kernels/VER/all_modules.tar (used for all.rdz) # all.kernels/VER/*.mar (used for other rdz) # all.kernels/VER/modules.cz (used for stage2) # all.kernels/VER/modules.dep # all.kernels/VER/vmlinuz # # if RPMS is empty, this script tries to find kernels in $main_repository use MDK::Common; use list_modules; my $main_repository = '/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"; eval { rm_rf('all.kernels') }; #- remove old things mkdir 'all.kernels'; my $main = chomp_(cat_('RPMS/.main')); my $main_BOOT = chomp_(cat_('RPMS/.main-BOOT')); if (@ARGV) { install_kernel($ARGV[0]); } elsif (! -d 'RPMS') { update_kernel_from_repository($main_repository, '2.6', 0); update_kernel_from_repository($main_repository, '2.6', 1); install_kernel(glob("$main_repository/kernel-xbox*"), 1) if arch() =~ /i.86/; } extract_kernel($_) foreach glob("RPMS/*.rpm"); 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 $kernel_rpm\n"; } sub update_kernel_from_repository { my ($repository, $main_ver, $is_BOOT) = @_; my $rpm_wildcard = 'kernel-' . ($is_BOOT ? 'BOOT-' : (arch() =~ /i.86/ ? 'i586-up-1GB-' : '')) . $main_ver . '*.rpm'; my @kernels = glob("$repository/$rpm_wildcard"); install_kernel($_, 1) foreach @kernels; } sub install_kernel { my ($kernel_rpm) = @_; my $basename = basename($kernel_rpm); warn "Installing rpm $basename in RPMS\n"; mkdir 'RPMS'; cp_af($kernel_rpm, "RPMS/$basename"); if (!$main) { $main = rpm2version($kernel_rpm); output('RPMS/.main', "$main\n"); } if (!$main_BOOT && $kernel_rpm =~ /BOOT/) { $main_BOOT = rpm2version($kernel_rpm); output('RPMS/.main-BOOT', "$main_BOOT\n"); } } sub extract_kernel { my ($kernel_rpm) = @_; my $kern_ver = rpm2version($kernel_rpm); my $dir = "all.kernels/$kern_ver"; warn "Extracting 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); }