PC Welt 2006 November (DVD)/PCWELT_11_2006.ISO/casper/filesystem.squashfs/usr/src/linux-headers-2.6.17-6/debian/pkg/headers/postinst

Text File | 2005-11-07 | 5.8 KB | 180 lines

#!/usr/bin/perl
#                              -*- Mode: Cperl -*-
# debian.postinst ---
# Author           : Manoj Srivastava ( [e-mail] )
# Created On       : Sat Apr 27 05:42:43 1996
# Created On Node  : melkor.pilgrim.umass.edu
# Last Modified By : Manoj Srivastava
# Last Modified On : Tue Mar  2 18:41:35 2004
# Last Machine Used: glaurung.internal.golden-gryphon.com
# Update Count     : 44
# Status           : Unknown, Use with caution!
# HISTORY          :
# Description      :
#
#
#
#  arch-tag: 1c716174-2f0a-476d-a626-a1322e62503a
#


$|=1;

# Predefined values:
my $version           = "=V";
my $link_in_boot      = "=IB";  # Should be empty, mostly
my $no_symlink        = "=S";   # Should be empty, mostly
my $reverse_symlink   = "=R";   # 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, arcboot or delo
my $image_dir         = "=D";        # where the image is located
my $clobber_modules   = '';          # target machine defined
my $relative_links    = "";          # target machine defined
my $initrd            = "=I";        # initrd kernel
my $mkimage           = "=M";   # command to generate the initrd image
my $do_initrd         = '';     # Normally we do not
my $warn_initrd       = 'YES';  # Normally we do
my $use_hard_links    = ''; # hardlinks do not work 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 $official_image    = "=OF";  # only true for official images
my $arch              = "=A"; #  should be same as dpkg --print-installation-architecture
my $kernel_arch       = "=B";
my $ramdisk           = "=MK";  # List of tools to create initial ram fs.
my $initrddep         = "=MD";  # List of dependencies for such tools
my $package_name    = "=ST-image-$version";


# 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 $silent_loader   = '';
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-installation-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 = '';

# most of our work is done in /usr/src.
chdir '/usr/src' or die "Could not chdir to /usr/src:$!";

if (-d "$package_name") {


  # See if we have a kernel image of the same version already installed.
  if ( -d "$modules_base/$version" && -d "/usr/src/$package_name" ) {
    if (! -e "$modules_base/$version/build" ) {
      my $result = symlink ("/usr/src/=ST-headers-$version",
                            "$modules_base/$version/build");
      if (! $result) {
        warn "Could not link /usr/src/=ST-headers-$version to $modules_base/$version/build:$!"
      }
    }
  }

  chdir "/usr/src/$package_name/include" ||
    die "Could not chdir to  /usr/src/$package_name/include:$!";

  if (! -d "asm-$architecture") {
    warn "/usr/src/$package_name/include/asm-$architecture does not exist.\n";
  }
  elsif (-e 'asm') {
    if (! -l 'asm') {
      warn "/usr/src/$package_name/include/asm is not a symlink.\n";
      $stop_and_read++;
    }
    else {
      my $target=readlink 'asm';
      if ("$target" ne "asm-$architecture") {
    if (! unlink 'asm') {
      warn "could not unlink /usr/src/$package_name/include/asm: $!\n";
      warn "It points to /usr/src/$package_name/include/$target\n";
      warn  "rather than at /usr/src/$package_name/include/asm-$architecture\n";
      $stop_and_read++;
    }
    else {
      if (! symlink "asm-$architecture", 'asm') {
        warn "Could not link /usr/src/$package_name/include/asm:$!\n";
        warn "to /usr/src/$package_name/include/asm-$architecture\n";
        $stop_and_read++;
      }
    }
      }
    }
  }
}

chdir '/usr/src' or die "Could not chdir to /usr/src:$!";

# if ($stop_and_read) {
#   my $answer;
#   print STDERR " Please Hit return to continue.";
#   $answer = <STDIN>;
# }

if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
  if (open(CONF, "$CONF_LOC")) {
    while (<CONF>) {
      chomp;
      s/\#.*$//g;
      next if /^\s*$/;

      $src_postinst_hook      = "$1"  if /src_postinst_hook\s*=\s*(\S+)/ig;
      $header_postinst_hook   = "$1"  if /header_postinst_hook\s*=\s*(\S+)/ig;
    }
    close CONF;
    $have_conffile = "Yes";
  }
}

## Run user hook script here, if any
if (-x "$src_postinst_hook") {
    system ("$src_postinst_hook", $package_name, $version) &&
    warn "User hook script $src_postinst_hook failed";
}
if (-x "$header_postinst_hook") {
    system ("$header_postinst_hook", $package_name, $version) &&
    warn "User hook script $header_postinst_hook failed";
}



exit 0;

__END__