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#!/usr/bin/env perl
# $Id$
# Copyright 2007 Karl Berry.
# This file is licensed under the GNU General Public License version 2
# or any later version.
#
# Return all files for a given TeX Live package, or package name(s) for
# a given set of files.
our $mydir;
BEGIN {
$^W = 1;
($mydir = $0) =~ s,/[^/]*$,,;
unshift (@INC, "$mydir/..");
}
use strict;
use TeXLive::TLPDB;
use Pod::Usage;
use Getopt::Long;
our $FILE;
our %DB_BY_FILE; # used privately below.
our @opt_pkgof = ();
our $opt_debug = 0;
my $help = 0;
GetOptions("pkgof=s" => \@opt_pkgof,
"debug!", "help|?" => \$help) or pod2usage(1);
pod2usage(-exitstatus => 0, -verbose => 2) if $help;
exit (&main ());
sub main
{
my $Master = "$mydir/../.."; # xx TLPDB should default
my $tlpdb_path = "$Master/texlive.tlpdb";
if (@opt_pkgof) {
return &do_pkgof ($tlpdb_path, @opt_pkgof);
} elsif (@ARGV != 1) {
die "$0: expected exactly one package name; try --help if you need it.\n";
}
# report files in given package.
my $pkg = $ARGV[0];
my $tlpdb = TeXLive::TLPDB->new (location => $tlpdb_path);
my $obj = $tlpdb->get_package ($pkg);
die "$0: no TeX Live package named $pkg in $tlpdb_path.\n" if ! $obj;
my @files = $obj->all_files;
print "$_\n" foreach @files;
return 0;
}
# Report which package(s) the given files belong to.
#
sub do_pkgof
{
my ($tlpdb,@files) = @_;
@files = split (/\s/, "@files");
for my $f (@files) {
my $pkg = &find_pkg_of_file ($tlpdb, $f);
printf "%s\t%s\n", $pkg || "-", $f;
}
return 0;
}
# return package to which FILE belongs, or undef.
#
# any directory part of FILE is stripped. If there are multiple
# packages holding files by the same name, all are returned,
# space-separated.
#
# Because this strange inverse operation is not needed for anything
# else, we don't attempt to implement it in the usual modules. Instead,
# we read the raw tlpdb file.
#
sub find_pkg_of_file
{
my ($tlpdb,$file) = @_;
if (! keys %DB_BY_FILE) {
local *FILE;
$FILE = $tlpdb;
open (FILE) || die "open($FILE) failed: $!";
my $pkg;
while (<FILE>) {
chomp;
if (/^name /) {
(undef,$pkg) = split (/ /);
} elsif (/^ /) {
# we carefully designed the format so that the only lines with
# leading spaces are the files. here we just take the basename.
(my $dbfile = $_) =~ s,^.*/,,;
$DB_BY_FILE{$dbfile} .= "$pkg ";
}
}
close (FILE) || warn "close($FILE) failed: $!";
}
$file =~ s,^.*/,,; # take basename
# strict stupidity
my $ret = exists $DB_BY_FILE{$file} ? substr ($DB_BY_FILE{$file}, 0, -1)
: "";
return $ret; # omit final space,
}
__END__
=head1 NAME
tlpfiles - list files contained in a TeX Live package, or vice versa
=head1 SYNOPSIS
tlpfiles [OPTION]... TLPKG
or: tlpfiles [OPTION]... -pkgof FILE...
=head1 OPTIONS
=over 8
=item B<-pkgof> I<file>...
Output the TeX Live package(s) in which each <file> is contained.
=item B<-debug>
Give debug messages from the TeX Live modules.
=item B<-help>
Print this documentation and exit.
=back
=head1 DESCRIPTION
In the first form, with just I<TLPKG> specified, return all the files
contained in the given TeX Live package (as determined by reading the
TeX Live package database). This includes any executables as well as
runtime, documentation, and source files.
It does not include the C<.tlpsrc> file for the package, since that is
necessarily part of the build infrastructure, and not part of the
self-contained package.
In the second form, with the C<-pkgof> option, return the TeX Live
package in which each given I<FILE> is contained, or C<-> if no package
can be found. The files may be given as a single whitespace-separated
argument, or the C<-pkgof> option may be given more than once, or both.
Example invocation, given the list of files to search for in C</tmp/f>:
tlpfiles --pkgof "`cat /tmp/f`"
Any directory part of the files is stripped. If there are multiple
packages holding files by the same name, all are returned,
space-separated, followed by a tab, followed by the basename searched for.
=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: #
|
