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|
#! /usr/bin/perl
# -*- Mode: Perl -*-
# 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 : Tue Feb 29 00:12:01 2000
# Last Machine Used: glaurung.green-gryphon.com
# Update Count : 33
# Status : Unknown, Use with caution!
# HISTORY :
# Description :
#
#
#
# $Id: include.postinst,v 1.18 2000/03/15 07:14:53 srivasta Exp $
#
$|=1;
# Predefined values:
my $package="=P";
my $version="=V";
# Ignore all invocations uxcept when called on to configure.
exit 0 unless ($ARGV[0] && $ARGV[0] =~ /configure/);
my $architecture;
chomp($architecture = `dpkg --print-installation-architecture`);
$architecture = "ppc" if $architecture eq "powerpc";
my $stop_and_read = 0;
# most of our work is done in /usr/src.
chdir '/usr/src' or die "Could not chdir to /usr/src:$!";
if (-d "$package") {
chdir "/usr/src/$package/include" ||
die "Could not chdir to /usr/src/$package/include:$!";
if (! -d "asm-$architecture") {
warn "/usr/src/$package/include/asm-$architecture does not exist.\n";
}
elsif (-e 'asm') {
if (! -l 'asm') {
warn "/usr/src/$package/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/include/asm: $!\n";
warn "It points to /usr/src/$package/include/$target\n";
warn "rather than at /usr/src/$package/include/asm-$architecture\n";
$stop_and_read++;
}
else {
if (! symlink "asm-$architecture", 'asm') {
warn "Could not link /usr/src/$package/include/asm:$!\n";
warn "to /usr/src/$package/include/asm-$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>;
}
my $linktarget;
$linktarget = "../share/doc/$package";
if (-d "/usr/doc") {
# Well, we still need to handle this, at least for the time being
if (-d "/usr/share/doc/$package") {
# So the new doc dir exists, goody
# handle faliure to remove symlinks
if (-l "/usr/doc/$package") {
unlink "/usr/doc/$package";
}
my $targetdir;
my $stargetdir;
if (-x '/bin/pwd') {
chdir('/usr/doc/');
$targetdir=`/bin/pwd`;
chdir('/usr/share/doc/');
$stargetdir=`/bin/pwd`;
chdir('/');
chdir('/usr/doc');
if (-f '../share/doc/') {
chdir('../share/doc/');
my $ltarget=`/bin/pwd`;
if ($ltarget ne $stargetdir) {
$linktarget = "/usr/share/doc/$package";
}
}
else {
$linktarget = "/usr/share/doc/$package";
}
}
if ($targetdir ne $stargetdir) {
if (-d "/usr/doc/$package") {
print STDERR "Yikes! The old directory, /usr/doc/$package\n";
print STDERR "has not ben removed! This is an error; attempting\n";
print STDERR "repairs";
if (-f "/usr/doc/$package/.dhelp") {
unlink "/usr/doc/$package/.dhelp";
rmdir "/usr/doc/$package";
}
if (-d "/usr/doc/$package") {
print STDERR <<"EOFERRONE";
Failed repairs. There are old files in /usr/doc/$package_name/ created
by you or another script. I can copy them over to the new location
/usr/share/doc/$package_name, if you wish, preserving your versions of
the files. No files shall be over written, instead, backup versions
shall be created in /usr/share/doc/$package_name as needed.
EOFERRONE
;
my $answer='';
print "Shall I copy the files over [Yn]?";
$answer=<STDIN>;
if ($answer =~ /^n/i) {
print "Not copying over, aborting\n";
exit 1;
}
else {
system "cp", "-a", "--backup=t",
"/usr/doc/$package",
"/usr/share/doc/$package/.." ||
die "Error copying files over: $?";
system "rm", "-rf", "/usr/doc/$package" ||
die "Error removing old directory:$?";
}
}
}
if (-e "/usr/doc/$package") {
print STDERR "/usr/doc/$package exists, but is not a directory\n";
if (-l "/usr/doc/$package") {
print STDERR "It is a symbolic link. Overwriting\n";
unlink "/usr/doc/$package";
symlink "../share/doc/$package",
"/usr/doc/$package";
}
else {
print STDERR "This is an error. Aborting\n";
exit 1;
}
}
# File unexists. Free to go ahead and create link
symlink "../share/doc/$package",
"/usr/doc/$package";
}
}
}
if (-l 'linux') {
if (-e "linux-$version" ){
if (! unlink "linux-$version") {
exit 0;
}
}
}
exit 0;
__END__
|
