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- #! /usr/bin/perl
- #
- use strict;
- use warnings;
-
- use Debconf::Client::ConfModule qw(:all);
- version('2.0');
- my $capb=capb("backup");
-
- $|=1;
-
- # Predefined values:
- my $version = "3.2.0-4-486";
- my $kimage = "vmlinuz";
- my $preinst_hook = ''; #Normally we do not
- my $kernel_arch = "x86";
- my $package_name = "linux-image-$version";
-
- #known variables
- my $realimageloc = "/boot/";
- my $CONF_LOC = '/etc/kernel-img.conf';
-
- my $modules_base = '/lib/modules';
-
- die "Pre inst Internal error. Aborting." unless $version;
-
- exit 0 if $ARGV[0] =~ /abort-upgrade/;
- exit 1 unless $ARGV[0] =~ /(install|upgrade)/;
-
- if (-r "$CONF_LOC" && -f "$CONF_LOC" ) {
- if (open(CONF, "$CONF_LOC")) {
- while (<CONF>) {
- chomp;
- s/\#.*$//g;
- next if /^\s*$/;
-
- $preinst_hook = "$1" if /preinst_hook\s*=\s*(\S+)/i;
- }
- close CONF;
- }
- }
-
- $ENV{KERNEL_ARCH}=$kernel_arch if $kernel_arch;
-
-
- # 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";
- }
- }
-
-
- my $options;
- for (@ARGV) {
- s,','\\'',g;
- $options .= " '$_'";
- }
- $ENV{'DEB_MAINT_PARAMS'}="$options";
-
- ## 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";
- }
-
- exit 0;
-
- __END__
-