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#!/usr/bin/perl
#
# Copyright © 2010-2012 Dr. Tobias Quathamer <toddy@debian.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
# Get the installation path and compression extension from Makefile
my $install_path = $ARGV[0]
or die "Please specify the installation path.";
my $comp_extension = $ARGV[1];
my $filename = $ARGV[2]
or die "Please specify the filename with links.";
open( LINKS, '<', $filename ) or die "Cannot open link file: " . $!;
# Read the whole file
while (<LINKS>) {
# Remove trailing newline
chop();
# Format is source, destination with their corresponding manpage section
# e.g. man1/access.1 or man5/complex.5
( my $source, my $destination ) = split(/ /);
# Determine whether the manpage section is equal
my @source_parts = split( /\//, $source );
my @destination_parts = split( /\//, $destination );
# If the manpages are in different sections, use a relative link
if ( $source_parts[0] ne $destination_parts[0] ) {
$source = '../' . $source;
}
else {
# The sections are equal, remove them
$source = $source_parts[1];
}
# Change directory to destination manpage for linking
my $working_directory = $install_path . '/' . $destination_parts[0];
# We always change the working directory to the destination manpage,
# so remove the section directory
$destination = $destination_parts[1];
# Add the compression extension, if there is one.
$source = "$source$comp_extension";
$destination = "$destination$comp_extension";
# Finally, make sure that the source file really exists.
# As these are translated manpages, some translations might not
# be available.
if ( -e $working_directory . '/' . $source ) {
system("( cd $working_directory ; ln -sf $source $destination )");
}
}
close(LINKS);
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