83 lines
1.7 KiB
Perl
Executable File
83 lines
1.7 KiB
Perl
Executable File
#! /usr/bin/perl
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#
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use strict;
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use warnings;
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use POSIX ();
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$|=1;
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# Predefined values:
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my $version = "@abiname@@localversion@";
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my $kimage = "@image-stem@";
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my $preinst_hook = ''; #Normally we do not
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my $package_name = "linux-image-$version";
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#known variables
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my $realimageloc = "/boot/";
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my $CONF_LOC = '/etc/kernel-img.conf';
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my $modules_base = '/lib/modules';
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die "Pre inst Internal error. Aborting." unless $version;
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exit 0 if $ARGV[0] =~ /abort-upgrade/;
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exit 1 unless $ARGV[0] =~ /(install|upgrade)/;
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if (-r "$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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$preinst_hook = "$1" if /preinst_hook\s*=\s*(\S+)/i;
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}
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close CONF;
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}
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}
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# set the env var stem
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$ENV{'STEM'} = "linux";
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sub system_failure_message {
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if ($? < 0) {
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return "$!";
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} elsif (POSIX::WIFSIGNALED($?)) {
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return sprintf('signal %d', POSIX::WTERMSIG($?));
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} else {
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return sprintf('exit code %d', POSIX::WEXITSTATUS($?));
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}
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}
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sub run_hook {
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my $type = shift;
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my $script = shift;
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print STDERR "Running $script.\n";
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if (system ("$script $version $realimageloc$kimage-$version")) {
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die ("$script failed: " . system_failure_message());
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}
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}
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my $options;
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for (@ARGV) {
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s,','\\'',g;
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$options .= " '$_'";
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}
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$ENV{'DEB_MAINT_PARAMS'}="$options";
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## Run user hook script here, if any
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if (-x "$preinst_hook") {
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&run_hook("preinst", $preinst_hook);
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}
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if (-d "/etc/kernel/preinst.d") {
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system ("run-parts --report --exit-on-error --arg=$version" .
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" --arg=$realimageloc$kimage-$version" .
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" /etc/kernel/preinst.d") &&
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die "Failed to process /etc/kernel/preinst.d";
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}
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exit 0;
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__END__
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