#!/usr/bin/env perl
# $Id$
# convert a set of tlpsrc files (given as arguments) into tlpdb
# 
# Copyright 2007, 2008 Norbert Preining
# This file is licensed under the GNU General Public License version 2
# or any later version.

BEGIN {
  $^W = 1;
  chomp ($mydir = `dirname $0`);
  unshift (@INC, "$mydir/..");
}

use strict;

use TeXLive::TLConfig;
use TeXLive::TLPSRC;
use TeXLive::TLPOBJ;
use TeXLive::TLPDB;
use TeXLive::TLTREE;
use TeXLive::TLUtils;
use Getopt::Long;
use Pod::Usage;
use File::Path;

my $opt_all = 0;
my $opt_catalogue = "";
chomp (my $opt_master = `cd $::mydir/../.. && pwd`);
my $help = 0;
my $opt_nobinsplit = 0;
my $opt_winwarning;
my $opt_fromfiles = 0;
my $opt_noautopatterns = 0;

TeXLive::TLUtils::process_logging_options();
GetOptions(
    "all!" => \$opt_all,
    "master=s" => \$opt_master,	# location of the TL tree
    "catalogue=s" => \$opt_catalogue, # location of the TeX Catalogue
    "no-bin-split!" => \$opt_nobinsplit,
    "no-autopatterns" => \$opt_noautopatterns,
    "from-files" => \$opt_fromfiles,
    "with-win-pattern-warning" => \$opt_winwarning,
    "help|?" => \$help) or pod2usage(1);
pod2usage(-exitstatus => 0, -verbose => 2) if $help;

exit (&main ());


sub main
{
  if (! -d $opt_master) {
    die "$0: Master $opt_master not a directory, goodbye.\n";
  }
  if (defined($opt_winwarning)) {
    $::tlpsrc_pattern_warn_win = 1;
  }
  my $tlc = undef;
  if (! -d $opt_catalogue) {
    info ("$0: -c /Cat/a/logue not given, continuing without it.\n");
  } else {
    require TeXLive::TeXCatalogue;  # not at compile time, for now anyway.
    info ("$0: reading TeX Catalogue $opt_catalogue ...\n");
    $tlc = TeXLive::TeXCatalogue->new ("location" => $opt_catalogue);
  }

  my $tlpsrc_dir = "$opt_master/tlpkg/tlpsrc";
  # if we're regenerating the whole thing, get all our tlpsrc files.
  if ($opt_all) {
    chdir ($tlpsrc_dir) || die "chdir($tlpsrc_dir) failed: $!";
    @ARGV = glob ("*.tlpsrc");
  }
  
  info ("$0: reading Master $opt_master ...\n");
  my $tltree = TeXLive::TLTREE->new ("svnroot" => $opt_master);
  if ($opt_fromfiles) {
    $tltree->init_from_files;
  } else {
    $tltree->init_from_svn;
  }

  info ("$0: updating from tlpsrc ...\n");
  my $tldb = TeXLive::TLPDB->new;
  my $src_count = 0;
  foreach my $f (@ARGV) {
    next if ($f =~ m/^00texlive\.autopatterns/);
    $src_count++ if $opt_all;

    my $tlsrc = new TeXLive::TLPSRC;
    $tlsrc->from_file ($f);
    my $tlp = $tlsrc->make_tlpobj ($tltree, $opt_master);

    (my $base_f = $f) =~ s/\.tlpsrc$//;
    warn "$f: package name " . $tlp->name . " does not match filename\n"
      if $tlp->name ne $base_f;
      
    if ($tlc) {
      # merge TeX Catalogue information
      $tlp->update_from_catalogue ($tlc);
    }
   
    # split bin packages off unless requested otherwise (no reason to so
    # request these days).
    unless ($opt_nobinsplit) {
      # packages which have already a .win32 extension or the 
      # 00texlive.something package are NOT split, never!
      if ($tlp->name !~ m/\.win32/
          && $tlp->name !~ m/^00texlive/) {
        my @binobjs = $tlp->split_bin_package;
        foreach my $binobj (@binobjs) {
          # we recompute the revision numbers of the binary packages
          # since that might be much smaller, and we don't want to 
          # update every package only because one binary for one arch
          # was changed
          $binobj->recompute_revision ($tltree, $tltree->file_svn_lastrevision("tlpkg/tlpsrc/$f"));
          $tldb->add_tlpobj ($binobj);
        }
        # we have to recompute the revision of the package itself 
        # since the binfiles have been removed and that might lower the
        # revision number
        $tlp->recompute_revision ($tltree, $tltree->file_svn_lastrevision("tlpkg/tlpsrc/$f"));
      }
    }
    if ($tlp->name eq "00texlive.config") {
      my @bar = $tlp->depends;
      push @bar, "revision/".$tltree->revision;
      $tlp->depends (@bar);
    }
    $tldb->add_tlpobj ($tlp);
  }
  
  # write the new db, to the real location given --all, or stdout.
  if ($opt_all) {
    $tldb->root ($opt_master);
    # do set the option_archs from the dirs in Master/bin
    my @archs = $tltree->architectures;
    $tldb->setting("available_architectures", @archs);
    $tldb->save;
    info ("$0: wrote $src_count packages to ". $tldb->root . ".\n");
  } else {
    $tldb->writeout;
  }
  
  return 0;
}

__END__

=head1 NAME

tlpsrc2tlpdb - generate a TeX Live database from tlpsrc files

=head1 SYNOPSIS

tlpsrc2tlpdb [OPTION]... [TLPSRC]...

=head1 OPTIONS

=over 4

=item B<-all>
Use all .tlpsrc files in C<Master/tlpkg/tlpsrc/*.tlpsrc>, and update the
live database in C<Master/tlpkg/texlive.tlpdb>.  
(No repository operations are done.)

=item B<-catalogue> I<Catalogue_dir>
The location given by B<-catalogue> must point to a valid TeX Catalogue.
No default value.  If given, the generated tlpobj files will contain
information gathered from the TeX Catalogue.

=item B<-master> I<Master/dir>
The location I<Master/dir> must point to a valid svn repository of TeX
Live's Master directory.  Defaults to C<../..> of C<$0>.

=item B<-no-bin-split>
Do NOT split files with binaries into several packages (one for the arch
independent and one for each of the architectures with only the respective
binaries).  There is no reason to use this option.

=item B<-with-win-pattern-warning>
Normally, this program issues a warning for all patterns without a matching
file, but does I<not> warn for binpatterns when working on the win32 
architecture. Giving this option makes it issues all warnings, i.e., also
those where a binpattern on win32 does not hit.

=item B<-from-files>
Use find instead of svn -status to create the list of files.

=back

The standard options B<-q>, B<-v>, and B<-logfile>=I<file> are also
accepted; see the C<process_logging_options> function in
L<TeXLive::TLUtils> for details.

=head1 DESCRIPTION

B<tlpsrc2tlpdb> converts TeX Live source package files (tlpsrc) files into a
TeX Live package database (tlpdb).

If a TeX Catalogue hierarchy is specified, additional information from
the catalogue are merged into the database (see L<TeXLive::TLPOBJ> for
the list of included information from the TeX Catalogue).

=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

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