File: prerm

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kernel-package 13.014%2Bnmu1
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  • ctags: 603
  • sloc: perl: 2,972; sh: 689; makefile: 204
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#!/usr/bin/perl
#                              -*- Mode: Cperl -*-
# debian.postinst ---
# Author           : Manoj Srivastava ( srivasta@pilgrim.umass.edu )
# Created On       : Sat Apr 27 05:42:43 1996
# Created On Node  : melkor.pilgrim.umass.edu
# Last Modified By : Manoj Srivastava
# Last Modified On : Mon Apr 13 14:23:50 2009
# Last Machine Used: anzu.internal.golden-gryphon.com
# Update Count     : 44
# Status           : Unknown, Use with caution!
# HISTORY          :
# Description      :
#
#
#
#  arch-tag: bf48605d-f6e9-4df6-9be3-31017c6406df
#

$| = 1;

# Predefined values:
my $version           = "=V";
my $move_image        = '';     # target machine defined
my $kimage            = "=K";   # Should be empty, mostly
my $image_dir         = "=D";   # where the image is located
my $clobber_modules   = '';     # target machine defined
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 $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 $arch              = "=A";   #  should be same as dpkg --print-architecture
my $kernel_arch       = "=B";
my $package_name       = "=ST-src-$version";
my $kernel_pkg_version = "=KPV";

# Ignore all invocations uxcept when called on to configure.
exit 0 unless ( $ARGV[0] && $ARGV[0] =~ /configure/ );

#known variables
my $image_dest     = "/";
my $realimageloc   = "/$image_dir/";
my $have_conffile  = "";
my $silent_modules = '';
my $modules_base   = '/lib/modules';
my $CONF_LOC       = '/etc/kernel-img.conf';

# remove multiple leading slashes; make sure there is at least one.
$realimageloc =~ s|^/*|/|o;
$realimageloc =~ s|/+|/|o;

my $architecture;
chomp( $architecture = `dpkg --print-architecture` );
$architecture = "ppc"    if $architecture eq "powerpc";
$architecture = "parisc" if $architecture eq "hppa";
$architecture = "mips"   if $architecture eq "mipsel";
$architecture = "x86_64" if $architecture eq "amd64";

my $stop_and_read     = 0;
my $src_postinst_hook = '';
my $src_preinst_hook  = '';
my $src_prerm_hook    = '';
my $src_postrm_hook   = '';

# most of our work is done in /usr/src.
chdir '/usr/src' or die "Could not chdir to /usr/src:$!";
if ( -r "$CONF_LOC" && -f "$CONF_LOC" ) {
  if ( open( CONF, "$CONF_LOC" ) ) {
    while (<CONF>) {
      chomp;
      s/\#.*$//g;
      next if /^\s*$/;

      $src_preinst_hook  = "$1" if m/^\s*src_preinst_hook\s*=\s*(\S+)/i;
      $src_postinst_hook = "$1" if m/^\s*src_postinst_hook\s*=\s*(\S+)/i;
      $src_prerm_hook    = "$1" if m/^\s*src_prerm_hook\s*=\s*(\S+)/i;
      $src_postinst_hook = "$1" if m/^\s*src_postinst_hook\s*=\s*(\S+)/i;

    } ## end while (<CONF>)
    close CONF;
    $have_conffile = "Yes";
  } ## end if ( open( CONF, "$CONF_LOC"...))
} ## end if ( -r "$CONF_LOC" &&...)

# Set up the env variable containing our arguments
my $out;
for (@ARGV) {
  s,','\\'',g;
  $out .= " '$_'";
}
$ENV{'DEB_MAINT_PARAMS'}       = "$out";
$ENV{'KERNEL_PACKAGE_VERSION'} = "$kernel_pkg_version";

## Run user hook script here, if any
if ( -d "/etc/kernel/src_prerm.d" ) {
  print STDERR "Examining /etc/kernel/src_prerm.d.\n";
  system( "run-parts --verbose --exit-on-error --arg=$version "
      . "--arg=$realimageloc$kimage-$version "
      . "/etc/kernel/src_prerm.d" )
    && die "Failed to process /etc/kernel/src_prerm.d";
} ## end if ( -d "/etc/kernel/src_prerm.d")

if ( -d "/etc/kernel/src_prerm.d/$version" ) {
  print STDERR "Examining /etc/kernel/src_prerm.d/$version.\n";
  system( "run-parts --verbose --exit-on-error --arg=$version "
      . "--arg=$realimageloc$kimage-$version "
      . "/etc/kernel/src_prerm.d/$version" )
    && die "Failed to process /etc/kernel/src_prerm.d/$version";
} ## end if ( -d "/etc/kernel/src_prerm.d/$version")

if ( -x "$src_prerm_hook" ) {
  system( "$src_prerm_hook", $package, $version )
    && warn "User hook script $src_prerm_hook failed";
}

exit 0;

__END__