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#!/usr/bin/env perl
# $Id$
# Copyright 2008 Manuel Pegourie-Gonnard.
# This file is licenced under the WTFPL version 2.
#
# Check there are no duplicated runtimes files.
BEGIN {
$^W = 1;
($mydir = $0) =~ s,/[^/]*$,,;
unshift (@INC, "$mydir/..");
}
use TeXLive::TLConfig;
use TeXLive::TLPOBJ;
use TeXLive::TLPDB;
use File::Basename;
# first, get and load the current texlive.tlpdb
#
chomp (my $Master = `cd $mydir/../.. && pwd`);
$tlpdb = TeXLive::TLPDB->new ("root" => "$Master");
die("Cannot find tlpdb in $Master!\n") unless defined($tlpdb);
# build a list of all runtime files associated to 'normal' packages
#
(my $non_normal = `ls $Master/bin`) =~ s/\n/\$|/g; # binaries
$non_normal .= '^0+texlive|^bin-|^collection-|^scheme-|^texlive-';
my @runtime_files = ();
foreach my $tlpn ($tlpdb->list_packages) {
next if ($tlpn =~ /$non_normal/);
my $tlp = $tlpdb->get_package($tlpn);
push @runtime_files, $tlp->runfiles;
}
# build the duplicates list
#
my @duplicates = (""); # just to use $duplicates[-1] freely
my $prev = "";
foreach my $f (sort map { basename($_) } @runtime_files) {
push (@duplicates, $f) if (($f eq $prev) and not ($f eq $duplicates[-1]));
$prev = $f;
}
shift @duplicates; # get rid of the fake 1st value
# @duplicates = ('8r-base.map', 'aer.sty', 'lm-ec.map'); # for debugging
# check if duplicates are different files
#
foreach my $f (@duplicates) {
# assume tex4ht stuff is ok, and don't worry about Changes/README for now
next if ($f =~ /(^Changes$|^README$|\.htf$|\.4hf$)/);
#
my @copies = grep (/\/$f$/, @runtime_files);
# map files can be duplicated as long as copies don't concern the same engine
if ($f =~ /\.map$/) {
my $need_check = 0;
my $prev_dir = "";
my @cop = @copies; # don't break the outside list
map { s#^texmf-dist/fonts/map/(.*?)/.*#$1# } @cop;
foreach my $dir (sort @cop ) {
last if ($need_check = ($dir eq $prev_dir));
$prev_dir = $dir;
}
next unless $need_check;
}
# if all copies are identical, ok, else, complain
my $diff = 0;
for (my $i = 1; $i < scalar(@copies); $i++) {
if ($diff = system ("diff -q --strip-trailing-cr "
. "$Master/$copies[$i-1] $Master/$copies[$i] >/dev/null")) {
print "# $f\ndiff $Master/$copies[$i-1] $Master/$copies[$i]\n";
last;
}
}
print join ("\n", @copies), "\n" if ($diff and (scalar(@copies) > 2));
}
### Local Variables:
### perl-indent-level: 2
### tab-width: 2
### indent-tabs-mode: nil
### End
# vim: set tabstop=2 shiftwidth=2 expandtab:
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