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#!/usr/bin/env perl
# $Id: tlpdb2list 5188 2007-10-14 20:32:44Z karl $
# Copyright 2007 Karl Berry.
# This file is licensed under the GNU General Public License version 2
# or any later version.
#
# Update the map files in updmap.cfg from tlpdb -- a convenience, since
# the only other way to enable new maps is to do an install. (updmap
# --syncwithtrees disables old maps, but does not enable new.)
BEGIN {
$^W = 1;
($mydir = $0) =~ s,/[^/]*$,,;
unshift (@INC, "$mydir/..");
}
use strict;
use TeXLive::TLPOBJ;
use TeXLive::TLPDB;
use Getopt::Long;
use Pod::Usage;
use File::Path;
our $NEW_UPDMAP_CFG;
our $mydir;
our $opt_debug = 0;
my $help = 0;
GetOptions("debug!", "help|?" => \$help) or pod2usage(1);
pod2usage(-exitstatus => 0, -verbose => 2) if $help;
exit (&main ());
sub main
{
# get the db.
chomp (my $Master = `cd $mydir/../.. && pwd`); # xx TLPDB should default
my $tlpdb_path = "$Master/texlive.tlpdb";
my $tlpdb = TeXLive::TLPDB->new ("location" => $tlpdb_path);
# get list of packages.
my %maps;
for my $pkg ($tlpdb->list_packages) {
my $obj = $tlpdb->get_package ($pkg);
die "$0: no TeX Live package named $pkg in $tlpdb_path.\n" if ! $obj;
# record any maps.
my @executes = $obj->executes;
for (my $e = 0; $e < @executes; $e++) {
my ($action,$value) = split (" ", $executes[$e]);
if ($action =~ /add.*Map/) {
$maps{$action} .= " " if exists $maps{$action};
$maps{$action} .= $value;
}
}
}
return &update_updmap_cfg ($Master, %maps);
}
# update updmap.cfg per MAPS.
#
sub update_updmap_cfg
{
my ($Master, %maps) = @_;
# read old file.
my $UPDMAP_CFG = "$Master/texmf/web2c/updmap.cfg";
my @updmap = `cat $UPDMAP_CFG`;
# find last comment line (which is where the maps start).
my $last_comment;
for ($last_comment = $#updmap; $last_comment >= 0; $last_comment--) {
last if $updmap[$last_comment] =~ /^#/;
}
die "no last comment in $UPDMAP_CFG?!" if $last_comment < 0;
# write new file.
local *NEW_UPDMAP_CFG;
my $new_updmap_cfg = "$UPDMAP_CFG.new"; # just the filename
$NEW_UPDMAP_CFG = ">$new_updmap_cfg"; # for open
open (NEW_UPDMAP_CFG) || die "open($NEW_UPDMAP_CFG) failed: $!";
# first copy everything up to and including the last comment.
for (my $i = 0; $i <= $last_comment; $i++) {
print NEW_UPDMAP_CFG $updmap[$i];
}
# add our map lines, preserving alphabetical order.
for my $action (sort keys %maps) {
my @maps = split (/ /, $maps{$action});
(my $key = $action) =~ s/^add//; # addMap in tlp, Map in updmap.cfg
@maps = map { "$key $_\n" } sort @maps;
print NEW_UPDMAP_CFG @maps;
}
close (NEW_UPDMAP_CFG) || warn "close($NEW_UPDMAP_CFG) failed: $!";
# show differences.
print `diff $UPDMAP_CFG $new_updmap_cfg`;
my $ret = $? / 8;
if ($ret == 0) {
unlink ($new_updmap_cfg) || die "unlink($new_updmap_cfg) failed: $!";
}
return $ret;
}
__END__
=head1 NAME
tlpdb2updmap - update updmap.cfg from a TeX Live database
=head1 SYNOPSIS
tlpdb2updmap [OPTION]...
=head1 OPTIONS
The standard options C<-help> and C<-debug> are accepted.
See the tlpfiles documentation for details.
=head1 DESCRIPTION
B<tlpdb2updmap> creates an updated C<updmap.cfg> file in a TL tree with
the C<Map> and C<MixedMap> entries in the TL database.
C<updmap.cfg> is assumed to be found in
C<Master/texmf/web2c/updmap.cfg>, where C<Master/> is C<../..> of
C<$0>.
The new file is written to C<updmap.cfg.new> in that same directory, if
there are any changes. A diff is also shown, and the exit status is one.
Exit status is zero if no differences.
No repository actions are performed in any case.
=head1 AUTHORS AND COPYRIGHT
This script and its documentation were written for the TeX Live
distribution (L<http://tug.org/texlive>) and both are licensed under the
GNU General Public License Version 2 or later.
=cut
### Local Variables:
### perl-indent-level: 2
### tab-width: 2
### indent-tabs-mode: nil
### End:
# vim:set tabstop=2: #
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