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Unified Diff: debian.chrome/control-scripts/preinst

Issue 646032: Rename config to match naming convention. (Closed)
Patch Set: Send mail Created 10 years, 10 months ago
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Index: debian.chrome/control-scripts/preinst
diff --git a/debian.chrome/control-scripts/preinst b/debian.chrome/control-scripts/preinst
new file mode 100644
index 0000000000000000000000000000000000000000..11c335a4a6cba2f4fe109e6f88285a4aabdeb72b
--- /dev/null
+++ b/debian.chrome/control-scripts/preinst
@@ -0,0 +1,299 @@
+#! /usr/bin/perl
+# -*- Mode: Cperl -*-
+# image.preinst ---
+# Author : Manoj Srivastava ( srivasta@tiamat.datasync.com )
+# Created On : Sun Jun 14 03:38:02 1998
+# Created On Node : tiamat.datasync.com
+# Last Modified By : Manoj Srivastava
+# Last Modified On : Sun Sep 24 14:04:42 2006
+# Last Machine Used: glaurung.internal.golden-gryphon.com
+# Update Count : 99
+# Status : Unknown, Use with caution!
+# HISTORY :
+# Description :
+#
+#
+
+#
+#use strict; #for debugging
+
+use Debconf::Client::ConfModule qw(:all);
+version('2.0');
+my $capb=capb("backup");
+
+$|=1;
+
+# Predefined values:
+my $version = "=V";
+my $link_in_boot = ""; # Should be empty, mostly
+my $no_symlink = ""; # Should be empty, mostly
+my $reverse_symlink = ""; # Should be empty, mostly
+my $do_symlink = "Yes"; # target machine defined
+my $do_boot_enable = "Yes"; # target machine defined
+my $do_bootfloppy = "Yes"; # target machine defined
+my $do_bootloader = "Yes"; # target machine defined
+my $move_image = ''; # target machine defined
+my $kimage = "=K"; # Should be empty, mostly
+my $loader = "=L"; # lilo, silo, quik, palo, vmelilo, nettrom
+ # or elilo
+my $image_dir = "/boot"; # where the image is located
+my $initrd = "YES"; # initrd kernel
+my $use_hard_links = ''; # hardlinks do not wirk across fs boundaries
+my $postinst_hook = ''; #Normally we do not
+my $postrm_hook = ''; #Normally we do not
+my $preinst_hook = ''; #Normally we do not
+my $prerm_hook = ''; #Normally we do not
+my $minimal_swap = ''; # Do not swap symlinks
+my $ignore_depmod_err = ''; # normally we do not
+my $relink_src_link = 'YES'; # There is no harm in checking the link
+my $relink_build_link = 'YES'; # There is no harm in checking the link
+my $force_build_link = ''; # There is no harm in checking the link
+my $kernel_arch = "=B";
+my $ramdisk = "/usr/sbin/update-initramfs"; # List of tools to create initial ram fs.
+my $package_name = "linux-image-$version";
+
+my $Loader = "NoLOADER"; #
+$Loader = "LILO" if $loader =~ /^lilo/io;
+$Loader = "SILO" if $loader =~ /^silo/io;
+$Loader = "QUIK" if $loader =~ /^quik/io;
+$Loader = "yaboot" if $loader =~ /^yaboot/io;
+$Loader = "PALO" if $loader =~ /^palo/io;
+$Loader = "NETTROM" if $loader =~ /^nettrom/io;
+$Loader = "VMELILO" if $loader =~ /^vmelilo/io;
+$Loader = "ZIPL" if $loader =~ /^zipl/io;
+$Loader = "ELILO" if $loader =~ /^elilo/io;
+
+
+#known variables
+my @boilerplate = ();
+my @silotemplate = ();
+my @quiktemplate = ();
+my @palotemplate = ();
+my @vmelilotemplate = ();
+my $bootdevice = '';
+my $rootdevice = '';
+my $rootdisk = '';
+my $rootpartition = '';
+my $image_dest = "/";
+my $realimageloc = "/$image_dir/";
+my $have_conffile = "";
+my $CONF_LOC = '/etc/kernel-img.conf';
+my $relative_links = '';
+my $silent_loader = '';
+my $warn_reboot = ''; # Warn that we are installing a version of
+ # the kernel we are running
+
+my $modules_base = '/lib/modules';
+
+die "Pre inst Internal error. Aborting." unless $version;
+
+exit 0 if $ARGV[0] =~ /abort-upgrade/;
+exit 1 unless $ARGV[0] =~ /(install|upgrade)/;
+
+# remove multiple leading slashes; make sure there is at least one.
+$realimageloc =~ s|^/*|/|o;
+$realimageloc =~ s|/+|/|o;
+
+if (-r "$CONF_LOC" && -f "$CONF_LOC" ) {
+ if (open(CONF, "$CONF_LOC")) {
+ while (<CONF>) {
+ chomp;
+ s/\#.*$//g;
+ next if /^\s*$/;
+
+ $do_symlink = "" if /^\s*do_symlinks\s*=\s*(no|false|0)\s*$/ig;
+ $no_symlink = "" if /^\s*no_symlinks\s*=\s*(no|false|0)\s*$/ig;
+ $reverse_symlink = "" if /^\s*reverse_symlinks\s*=\s*(no|false|0)\s*$/ig;
+ $link_in_boot = "" if /^\s*image_in_boot\s*=\s*(no|false|0)\s*$/ig;
+ $link_in_boot = "" if /^\s*link_in_boot\s*=\s*(no|false|0)\s*$/ig;
+ $move_image = "" if /^\s*move_image\s*=\s*(no|false|0)\s*$/ig;
+ $do_boot_enable = '' if /^\s*do_boot_enable\s*=\s*(no|false|0)\s*$/ig;
+ $do_bootfloppy = '' if /^\s*do_bootfloppy\s*=\s*(no|false|0)\s*$/ig;
+ $do_bootloader = '' if /^\s*do_bootloader\s*=\s*(no|false|0)\s*$/ig;
+ $relative_links = '' if /^\s*relative_links \s*=\s*(no|false|0)\s*$/ig;
+ $use_hard_links = '' if /^\s*use_hard_links\s*=\s*(no|false|0)\s*$/ig;
+ $silent_loader = '' if /^\s*silent_loader\s*=\s*(no|false|0)\s*$/ig;
+ $warn_reboot = '' if /^\s*warn_reboot\s*=\s*(no|false|0)\s*$/ig;
+ $minimal_swap = '' if /^\s*minimal_swap\s*=\s*(no|false|0)\s*$/ig;
+ $ignore_depmod_err = '' if /^\s*ignore_depmod_err\s*=\s*(no|false|0)\s*$/ig;
+ $relink_src_link = '' if /^\s*relink_src_link\s*=\s*(no|false|0)\s*$/ig;
+ $relink_build_link = '' if /^\s*relink_build_link\s*=\s*(no|false|0)\s*$/ig;
+ $force_build_link = '' if /^\s*force_build_link\s*=\s*(no|false|0)\s*$/ig;
+
+ $do_symlink = "Yes" if /^\s*do_symlinks\s*=\s*(yes|true|1)\s*$/ig;
+ $no_symlink = "Yes" if /^\s*no_symlinks\s*=\s*(yes|true|1)\s*$/ig;
+ $reverse_symlink = "Yes" if /^\s*reverse_symlinks\s*=\s*(yes|true|1)\s*$/ig;
+ $link_in_boot = "Yes" if /^\s*image_in_boot\s*=\s*(yes|true|1)\s*$/ig;
+ $link_in_boot = "Yes" if /^\s*link_in_boot\s*=\s*(yes|true|1)\s*$/ig;
+ $move_image = "Yes" if /^\s*move_image\s*=\s*(yes|true|1)\s*$/ig;
+ $do_boot_enable = "Yes" if /^\s*do_boot_enable\s*=\s*(yes|true|1)\s*$/ig;
+ $do_bootfloppy = "Yes" if /^\s*do_bootfloppy\s*=\s*(yes|true|1)\s*$/ig;
+ $do_bootloader = "Yes" if /^\s*do_bootloader\s*=\s*(yes|true|1)\s*$/ig;
+ $relative_links = "Yes" if /^\s*relative_links\s*=\s*(yes|true|1)\s*$/ig;
+ $use_hard_links = "Yes" if /^\s*use_hard_links\s*=\s*(yes|true|1)\s*$/ig;
+ $silent_loader = 'Yes' if /^\s*silent_loader\s*=\s*(yes|true|1)\s*$/ig;
+ $warn_reboot = 'Yes' if /^\s*warn_reboot\s*=\s*(yes|true|1)\s*$/ig;
+ $minimal_swap = 'Yes' if /^\s*minimal_swap\s*=\s*(yes|true|1)\s*$/ig;
+ $ignore_depmod_err = 'Yes' if /^\s*ignore_depmod_err\s*=\s*(yes|true|1)\s*$/ig;
+ $relink_src_link = 'Yes' if /^\s*relink_src_link\s*=\s*(yes|true|1)\s*$/ig;
+ $relink_build_link = 'Yes' if /^\s*relink_build_link\s*=\s*(yes|true|1)\s*$/ig;
+ $force_build_link = 'Yes' if /^\s*force_build_link\s*=\s*(yes|true|1)\s*$/ig;
+
+ $image_dest = "$1" if /^\s*image_dest\s*=\s*(\S+)/ig;
+ $postinst_hook = "$1" if /^\s*postinst_hook\s*=\s*(\S+)/ig;
+ $postrm_hook = "$1" if /^\s*postrm_hook\s*=\s*(\S+)/ig;
+ $preinst_hook = "$1" if /^\s*preinst_hook\s*=\s*(\S+)/ig;
+ $prerm_hook = "$1" if /^\s*prerm_hook\s*=\s*(\S+)/ig;
+ $ramdisk = "$1" if /^\s*ramdisk\s*=\s*(.+)$/ig;
+ }
+ close CONF;
+ $have_conffile = "Yes";
+ $have_conffile = "Yes"; # stop perl complaining
+ }
+}
+
+$ENV{KERNEL_ARCH}=$kernel_arch if $kernel_arch;
+
+# About to upgrade this package from version $2 TO THIS VERSION.
+# "prerm upgrade" has already been called for the old version of
+# this package.
+
+sub find_initrd_tool {
+ my $hostversion = shift;
+ my $version = shift;
+ my @ramdisks =
+ grep {
+ my $args =
+ "$_ " .
+ "--supported-host-version=$hostversion " .
+ "--supported-target-version=$version " .
+ "1>/dev/null 2>&1"
+ ;
+ system($args) == 0;
+ }
+ split (/[:,\s]+/, $ramdisk);
+}
+
+sub check {
+ my $version = shift;
+ my $lib_modules="$modules_base/$version";
+ my $message = '';
+
+ if (-d "$lib_modules") {
+ opendir(DIR, $lib_modules) || die "can’t opendir $lib_modules: $!";
+ my @children = readdir(DIR);
+ if ($#children > 1) {
+ my @dirs = grep { -d "$lib_modules/$_" } @children;
+ if ($#dirs > 1) { # we have subdirs
+ my $dir_message='';
+ for my $dir (@dirs) {
+ if ($dir =~/kernel$/) {
+ $dir_message="An older install was detected.\n";
+ }
+ else {
+ $dir_message="Module sub-directories were detected.\n"
+ unless $dir_message;
+ }
+ }
+ $message += $dir_message if $dir_message;
+ }
+
+ my @links = grep { -l "$lib_modules/$_" } @children;
+ if ($#links > -1) {
+ my $links_message = '';
+ for my $link (@links) {
+ next if ($link =~ /^build$/);
+ next if ($link =~ /^source$/);
+ $links_message = "Symbolic links were detected in $modules_base/$version.\n";
+ }
+ $message += $links_message if $links_message;
+ }
+ my @files = grep { -f "$lib_modules/$_" } @children;
+ $message += "Additional files also exist in $modules_base/$version.\n"
+ if ($#files > -1);
+ }
+ }
+ else { $message .= "$lib_modules does not exist. ";}
+ return $message;
+}
+
+if (-d "$modules_base/$version") {
+ my $errors=check($version);
+ warn "Info:\n$errors\n" if $errors;
+}
+
+# set the env var stem
+$ENV{'STEM'} = "linux";
+
+sub exec_script {
+ my $type = shift;
+ my $script = shift;
+ print STDERR "Running $type hook script $script.\n";
+ system ("$script $version $realimageloc$kimage-$version") &&
+ print STDERR "User $type hook script [$script] ";
+ if ($?) {
+ if ($? == -1) {
+ print STDERR "failed to execute: $!\n";
+ }
+ elsif ($? & 127) {
+ printf STDERR "died with signal %d, %s coredump\n",
+ ($? & 127), ($? & 128) ? 'with' : 'without';
+ }
+ else {
+ printf STDERR "exited with value %d\n", $? >> 8;
+ }
+ exit $? >> 8;
+ }
+}
+sub run_hook {
+ my $type = shift;
+ my $script = shift;
+ if ($script =~ m,^/,) {
+ # Full path provided for the hook script
+ if (-x "$script") {
+ &exec_script($type,$script);
+ }
+ else {
+ die "The provided $type hook script [$script] could not be run.\n";
+ }
+ }
+ else {
+ # Look for it in a safe path
+ for my $path ('/bin', '/sbin', '/usr/bin', '/usr/sbin') {
+ if (-x "$path/$script") {
+ &exec_script($type, "$path/$script");
+ return 0;
+ }
+ }
+ # No luck
+ print STDERR "Could not find $type hook script [$script].\n";
+ die "Looked in: '/bin', '/sbin', '/usr/bin', '/usr/sbin'\n";
+ }
+}
+
+
+## Run user hook script here, if any
+if (-x "$preinst_hook") {
+ &run_hook("preinst", $preinst_hook);
+}
+if (-d "/etc/kernel/preinst.d") {
+ print STDERR "Examining /etc/kernel/preinst.d/\n";
+ system ("run-parts --verbose --exit-on-error --arg=$version" .
+ " --arg=$realimageloc$kimage-$version" .
+ " /etc/kernel/preinst.d") &&
+ die "Failed to process /etc/kernel/preinst.d";
+}
+if (-d "/etc/kernel/preinst.d/$version") {
+ print STDERR "Examining /etc/kernel/preinst.d/$version.\n";
+ system ("run-parts --verbose --exit-on-error --arg=$version" .
+ " --arg=$realimageloc$kimage-$version" .
+ " /etc/kernel/preinst.d/$version") &&
+ die "Failed to process /etc/kernel/preinst.d/$version";
+}
+print STDERR "Done.\n";
+
+exit 0;
+
+__END__
+
+
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