293 lines
12 KiB
Perl
293 lines
12 KiB
Perl
#! /usr/bin/perl
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# -*- Mode: Cperl -*-
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# config ---
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# Author : Manoj Srivastava ( srivasta@glaurung.internal.golden-gryphon.com )
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# Created On : Thu Nov 3 09:11:38 2005
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# Created On Node : glaurung.internal.golden-gryphon.com
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# Last Modified By : Manoj Srivastava
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# Last Modified On : Thu Nov 3 09:11:38 2005
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# Last Machine Used: glaurung.internal.golden-gryphon.com
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# Update Count : 0
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# Status : Unknown, Use with caution!
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# HISTORY :
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# Description :
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#
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# arch-tag: 9a70bb3a-30d4-4f4c-96e7-d3feb9a9752e
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#
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use Debconf::Client::ConfModule qw(:all);
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version('2.0');
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$|=1;
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# Predefined values:
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my $version = "xxKERNELRELEASExx";
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my $link_in_boot = ""; # Should be empty, mostly
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my $no_symlink = ""; # Should be empty, mostly
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my $reverse_symlink = ""; # Should be empty, mostly
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my $do_symlink = "Yes"; # target machine defined
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my $do_boot_enable = "Yes"; # target machine defined
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my $do_bootfloppy = "Yes"; # target machine defined
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my $do_bootloader = "Yes"; # target machine defined
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my $move_image = ''; # target machine defined
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my $kimage = ""; # Should be empty, mostly
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my $loader = "lilo"; # lilo, silo, quik, palo, vmelilo, nettrom, arcboot or delo
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my $image_dir = "/boot"; # where the image is located
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my $clobber_modules = ''; # target machine defined
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my $relative_links = ""; # target machine defined
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my $initrd = "YES"; # initrd kernel
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my $mkimage = ""; # command to generate the initrd image
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my $do_initrd = ''; # Normally we do not
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my $warn_initrd = 'YES'; # Normally we do
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my $use_hard_links = ''; # hardlinks do not work across fs boundaries
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my $postinst_hook = ''; #Normally we do not
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my $postrm_hook = ''; #Normally we do not
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my $preinst_hook = ''; #Normally we do not
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my $prerm_hook = ''; #Normally we do not
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my $minimal_swap = ''; # Do not swap symlinks
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my $ignore_depmod_err = ''; # normally we do not
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my $relink_src_link = 'YES'; # There is no harm in checking the link
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my $relink_build_link = 'YES'; # There is no harm in checking the link
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my $force_build_link = ''; # There is no harm in checking the link
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my $official_image = "YES"; # only true for official images
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my $arch = "i386"; # should be same as dpkg --print-installation-architecture
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my $kernel_arch = "x86";
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my $ramdisk = "mkinitramfs-kpkg mkinitrd.yaird"; # List of tools to create initial ram fs.
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my $initrddep = "D"; # List of dependencies for such tools
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#my $package_name = "linux-image-686-$version";
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my $package_name = "xxPACKAGE_NAMExx";
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my $Loader = "NoLOADER"; #
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$Loader = "LILO" if $loader =~ /^lilo/io;
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$Loader = "SILO" if $loader =~ /^silo/io;
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$Loader = "QUIK" if $loader =~ /^quik/io;
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$Loader = "yaboot" if $loader =~ /^yaboot/io;
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$Loader = "PALO" if $loader =~ /^palo/io;
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$Loader = "NETTROM" if $loader =~ /^nettrom/io;
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$Loader = "VMELILO" if $loader =~ /^vmelilo/io;
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$Loader = "ZIPL" if $loader =~ /^zipl/io;
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$Loader = "ELILO" if $loader =~ /^elilo/io;
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$Loader = "ARCBOOT" if $loader =~ /^arcboot/io;
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$Loader = "DELO" if $loader =~ /^delo/io;
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#known variables
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my $image_dest = "/";
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my $realimageloc = "/$image_dir/";
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my $have_conffile = "";
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my $silent_modules = '';
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my $silent_loader = '';
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my $modules_base = '/lib/modules';
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my $CONF_LOC = '/etc/kernel-img.conf';
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# Ignore all invocations except when called on to configure.
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exit 0 unless $ARGV[0] =~ /configure/;
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chdir('/') or die "could not chdir to /:$!\n";
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# remove multiple leading slashes; make sure there is at least one.
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$realimageloc =~ s|^/*|/|o;
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$realimageloc =~ s|/+|/|o;
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if (-r "$CONF_LOC" && -f "$CONF_LOC" ) {
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if (open(CONF, "$CONF_LOC")) {
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while (<CONF>) {
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chomp;
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s/\#.*$//g;
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next if /^\s*$/;
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$do_symlink = "" if /do_symlinks\s*=\s*(no|false|0)\s*$/ig;
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$no_symlink = "" if /no_symlinks\s*=\s*(no|false|0)\s*$/ig;
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$reverse_symlink = "" if /reverse_symlink\s*=\s*(no|false|0)\s*$/ig;
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$link_in_boot = "" if /image_in_boot\s*=\s*(no|false|0)\s*$/ig;
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$link_in_boot = "" if /link_in_boot\s*=\s*(no|false|0)\s*$/ig;
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$move_image = "" if /move_image\s*=\s*(no|false|0)\s*$/ig;
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$clobber_modules = '' if /clobber_modules\s*=\s*(no|false|0)\s*$/ig;
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$do_boot_enable = '' if /do_boot_enable\s*=\s*(no|false|0)\s*$/ig;
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$do_bootfloppy = '' if /do_bootfloppy\s*=\s*(no|false|0)\s*$/ig;
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$relative_links = '' if /relative_links \s*=\s*(no|false|0)\s*$/ig;
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$do_bootloader = '' if /do_bootloader\s*=\s*(no|false|0)\s*$/ig;
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$do_initrd = '' if /do_initrd\s*=\s*(no|false|0)\s*$/ig;
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$warn_initrd = '' if /warn_initrd\s*=\s*(no|false|0)\s*$/ig;
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$use_hard_links = '' if /use_hard_links\s*=\s*(no|false|0)\s*$/ig;
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$silent_modules = '' if /silent_modules\s*=\s*(no|false|0)\s*$/ig;
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$silent_loader = '' if /silent_loader\s*=\s*(no|false|0)\s*$/ig;
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$minimal_swap = '' if /minimal_swap\s*=\s*(no|false|0)\s*$/ig;
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$ignore_depmod_err = '' if /ignore_depmod_err\s*=\s*(no|false|0)\s*$/ig;
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$relink_src_link = '' if /relink_src_link\s*=\s*(no|false|0)\s*$/ig;
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$relink_build_link = '' if /relink_build_link\s*=\s*(no|false|0)\s*$/ig;
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$force_build_link = '' if /force_build_link\s*=\s*(no|false|0)\s*$/ig;
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$do_symlink = "Yes" if /do_symlinks\s*=\s*(yes|true|1)\s*$/ig;
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$no_symlink = "Yes" if /no_symlinks\s*=\s*(yes|true|1)\s*$/ig;
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$reverse_symlink = "Yes" if /reverse_symlinks\s*=\s*(yes|true|1)\s*$/ig;
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$link_in_boot = "Yes" if /image_in_boot\s*=\s*(yes|true|1)\s*$/ig;
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$link_in_boot = "Yes" if /link_in_boot\s*=\s*(yes|true|1)\s*$/ig;
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$move_image = "Yes" if /move_image\s*=\s*(yes|true|1)\s*$/ig;
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$clobber_modules = "Yes" if /clobber_modules\s*=\s*(yes|true|1)\s*$/ig;
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$do_boot_enable = "Yes" if /do_boot_enable\s*=\s*(yes|true|1)\s*$/ig;
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$do_bootfloppy = "Yes" if /do_bootfloppy\s*=\s*(yes|true|1)\s*$/ig;
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$do_bootloader = "Yes" if /do_bootloader\s*=\s*(yes|true|1)\s*$/ig;
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$relative_links = "Yes" if /relative_links\s*=\s*(yes|true|1)\s*$/ig;
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$do_initrd = "Yes" if /do_initrd\s*=\s*(yes|true|1)\s*$/ig;
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$warn_initrd = "Yes" if /warn_initrd\s*=\s*(yes|true|1)\s*$/ig;
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$use_hard_links = "Yes" if /use_hard_links\s*=\s*(yes|true|1)\s*$/ig;
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$silent_modules = 'Yes' if /silent_modules\s*=\s*(yes|true|1)\s*$/ig;
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$silent_loader = 'Yes' if /silent_loader\s*=\s*(yes|true|1)\s*$/ig;
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$minimal_swap = 'Yes' if /minimal_swap\s*=\s*(yes|true|1)\s*$/ig;
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$ignore_depmod_err = 'Yes' if /ignore_depmod_err\s*=\s*(yes|true|1)\s*$/ig;
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$relink_src_link = 'Yes' if /relink_src_link\s*=\s*(yes|true|1)\s*$/ig;
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$relink_build_link = 'Yes' if /relink_build_link\s*=\s*(yes|true|1)\s*$/ig;
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$force_build_link = 'Yes' if /force_build_link\s*=\s*(yes|true|1)\s*$/ig;
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$image_dest = "$1" if /image_dest\s*=\s*(\S+)/ig;
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$postinst_hook = "$1" if /postinst_hook\s*=\s*(\S+)/ig;
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$postrm_hook = "$1" if /postrm_hook\s*=\s*(\S+)/ig;
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$preinst_hook = "$1" if /preinst_hook\s*=\s*(\S+)/ig;
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$prerm_hook = "$1" if /prerm_hook\s*=\s*(\S+)/ig;
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$mkimage = "$1" if /mkimage\s*=\s*(.+)$/ig;
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$ramdisk = "$1" if /ramdisk\s*=\s*(.+)$/ig;
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}
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close CONF;
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$have_conffile = "Yes";
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}
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}
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# For some versions of kernel-package, we had this warning in the
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# postinst, but the rules did not really interpolate the value in.
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# Here is a sanity check.
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my $pattern = "=" . "I";
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$initrd=~ s/^$pattern$//;
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if ($link_in_boot) {
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$image_dest = "/$image_dir/";
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$image_dest =~ s|^/*|/|o;
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}
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$image_dest = "$image_dest/";
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$image_dest =~ s|/+$|/|o;
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# Official powerpc images may silently upgrade
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if ($official_image =~ /^\s*YES\s*$/o && $arch =~ m/powerpc/) {
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$silent_modules = 'Yes';
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}
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$ENV{KERNEL_ARCH}=$kernel_arch if $kernel_arch;
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# Paranoid check to make sure that the correct value is put in there
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if (! $kimage) { $kimage = "vmlinuz"; } # Hmm. empty
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elsif ($kimage =~ m/^b?zImage$/o) { $kimage = "vmlinuz"; } # these produce vmlinuz
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elsif ($kimage =~ m/^[iI]mage$/o) { my $nop = $kimage; }
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elsif ($kimage =~ m/^vmlinux$/o) { my $nop = $kimage; }
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else { $kimage = "vmlinuz"; } # Default
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# search for the boot loader in the path
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my $loader_exec;
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($loader_exec = $loader) =~ s|.*/||;
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my ($loaderloc) = grep -x, map "$_/$loader_exec",
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map { length($_) ? $_ : "." } split /:/, $ENV{PATH};
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if (-d "$kimage" ) {
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my $ret;
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my $seen;
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my $note = "${package_name}/postinst/kimage-is-a-directory";
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($ret,$seen) = fset ("$note", 'seen', 'false');
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die "Error setting debconf flags in $note: $seen" if $ret;
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$ret = subst("$note", 'kimage', "$kimage");
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die "Error setting debconf substitutions in $note: $seen" if $ret;
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$ret = subst("$note", 'image_dest', "$image_dest");
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die "Error setting debconf substitutions in $note: $seen" if $ret;
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($ret,$seen) = input('critical', "$note");
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if ($ret && $ret != 30 ) {
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die "Error setting debconf note $note: $seen";
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}
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($ret,$seen) = go ();
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if ($ret && $ret != 30 ) {
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die "Error asking debconf question $note: $seen";
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}
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}
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if (! -e "$kimage" && ! $no_symlink && ! $reverse_symlink &&
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! $have_conffile ) {
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my $ret;
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my $seen;
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my $question = "${package_name}/postinst/create-kimage-link-$version";
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$ret = subst("$question", 'kimage', "$kimage");
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die "Error setting debconf substitutions in $question: $seen" if $ret;
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($ret,$seen) = input('critical', "$question");
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if ($ret && $ret != 30 ) {
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die "Error setting debconf question $question: $seen";
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}
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if ($ret == 30) {
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}
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($ret,$seen) = go ();
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if ($ret && $ret != 30 ) {
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die "Error asking debconf question $question: $seen";
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}
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}
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if ($initrd && -l "$image_dest/initrd" ) {
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my $ret;
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my $seen;
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my $question = "${package_name}/postinst/old-initrd-link-$version";
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($ret,$seen) = input('medium', "$question");
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if ($ret && $ret != 30 ) {
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die "Error setting debconf question $question: $seen";
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}
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($ret,$seen) = go ();
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if ($ret && $ret != 30 ) {
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die "Error asking debconf question $question: $seen";
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}
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}
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if ($initrd && -l "$image_dir/initrd" && ! $link_in_boot) {
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my $ret;
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my $seen;
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my $question = "${package_name}/postinst/old-dir-initrd-link-$version";
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$ret = subst("$question", 'image_dir', "$image_dir");
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die "Error setting debconf substitutions in $question: $seen" if $ret;
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$ret = subst("$question", 'image_dest', "$image_dest");
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die "Error setting debconf substitutions in $question: $seen" if $ret;
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($ret,$seen) = input('medium', "$question");
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if ($ret && $ret != 30 ) {
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die "Error setting debconf question $question: $seen";
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}
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($ret,$seen) = go ();
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if ($ret && $ret != 30 ) {
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die "Error asking debconf question $question: $seen";
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}
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}
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# We used to have System.* files in /
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if (-e "/System.map" || -e "/System.old") {
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my $ret;
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my $seen;
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my $question = "${package_name}/postinst/old-dir-initrd-link-$version";
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($ret,$seen) = input('medium', "$question");
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if ($ret && $ret != 30 ) {
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die "Error setting debconf question $question: $seen";
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}
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($ret,$seen) = go ();
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if ($ret && $ret != 30 ) {
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die "Error asking debconf question $question: $seen";
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}
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}
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exit 0;
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__END__
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