debian-cd-clone/mklinks

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#!/usr/bin/perl -w
# mklinks v 1.13 (c) Steve McIntyre <stevem@chiark.greenend.org.uk>
# Released under GPL 31 Mar 1999
# See the file COPYING for license details
# Released as part of the slink_cd package, not much use standalone
#
# Given a list of *files* on stdin, will work through them replacing
# links into binary-all as appropriate, and will also fix the
# boot-disks current/ symlink as necessary. Designed to work with the
# "genlinks" option in slink_cd.
#
# Takes no parameters. Inspired by the "flatten" script by Jens Ritter
# $1 is the debug level
# We extensively work on $_!
while (<STDIN>)
{
chop;
if ( -l )
{
# Check if we have a file that we can link to binary-all
if ( /binary-(i386|alpha|sparc|powerpc|arm|hurd-i386|m68k)\/.*/ )
{
$allfile = $_;
$allfile =~ s/binary-\w*/binary-all/;
$allfile =~ s/\.\///;
if ( -e $allfile)
{
# We have a winner!
unlink;
if ( /non-US/ )
{
# broken layout...
symlink( "../../$allfile", $_);
}
else
{
symlink( "../../../$allfile", $_);
}
}
}
# And also check for the "current" boot-disks sym-link - this
# will break the sym-links farm when we try to link to it later...
if ( /disks-(i386|alpha|sparc|powerpc|arm|hurd-i386|m68k)\/current$/ )
{
if($1)
{
print "Fixing the disks-ARCH/current sym-link for our purposes\n";
}
$currentdir = $_;
$diskdir = readlink $currentdir;
unlink $currentdir;
mkdir $currentdir,0755;
opendir(DIR, "$diskdir/" ) || die "can't opendir $diskdir: $!";
while ($file = readdir(DIR))
{
if( ! -d "$diskdir/$file" )
{
symlink( "$diskdir/$file","$currentdir/$file" );
}
}
closedir DIR;
}
}
}