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# $Id$
# TeXLive::TLPostInstall.pm - collection post install stuff for installation
# Copyright 2008 Norbert Preining
# This file is licensed under the GNU General Public License version 2
# or any later version.

package TeXLive::TLPostInstall;

BEGIN {
  use Exporter ();
  use vars qw( @ISA @EXPORT_OK @EXPORT );
  @ISA = qw(Exporter);
  @EXPORT_OK = qw(
    %PostInstall
  );
  @EXPORT = @EXPORT_OK;
}

use TeXLive::TLUtils qw(win32 mkdirhier copy);

our %PostInstall;


sub do_bin_xetex {
  my ($texdir) = @_;
  #
  # bin-xetex installs font-config related stuff
  # we have to
  # - updated the installation path in bin/win32/conf/fonts.conf
  # - call fc-cache -v
  if (-r "$texdir/bin/win32/conf/fonts.conf") {
    open(FONTSCONF, "<$texdir/bin/win32/conf/fonts.conf") 
      or die("Cannot open $texdir/bin/win32/conf/fonts.conf");
    my @lines = <FONTSCONF>;
    close(FONTSCONF);
    open(FONTSCONF, ">$texdir/bin/win32/conf/fonts.conf") 
      or die("Cannot open $texdir/bin/win32/conf/fonts.conf for writing");
    foreach (@lines) {
      $_ =~ s!c:/Program Files/texlive/2008!$texdir!;
      print FONTSCONF;
    }
    close(FONTSCONF);
  }
  # call fc-cache but only when we install on win32!
  if (win32()) {
    system("fc-cache","-v");
  }
}
$PostInstall{"bin-xetex"} = \&do_bin_xetex;


sub do_bin_xdvi {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  copy ("$TEXDIR/texmf/xdvi/XDvi", "$TEXMFSYSVAR/xdvi");
}
$PostInstall{"bin-xdvi"} = \&do_bin_xdvi;


sub do_plain {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  # install some copies from texmf(-dist) into texmf-var
  copy ("$TEXDIR/texmf-dist/tex/plain/config/language.def",
        "$TEXMFSYSVAR/tex/plain/config");
}
$PostInstall{"plain"} = \&do_plain;


sub do_bin_dvipsk {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  # those files must exist
  copy ("$TEXDIR/texmf/dvips/config/config.ps",
        "$TEXMFSYSVAR/dvips/config");
}
$PostInstall{"bin-dvipsk"} = \&do_bin_dvipsk;


sub do_bin_dvipdfm {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  # fix up dvipdfm config file to contain the right # piping command
  mkdirhier("$TEXMFSYSVAR/dvipdfm/config");
  open(DVIPDFMCONFIGDIST, "<$TEXDIR/texmf/dvipdfm/config/config") 
    or die("Cannot open $TEXDIR/texmf/dvipdfm/config/config");
  open(DVIPDFMCONFIGINST, ">$TEXMFSYSVAR/dvipdfm/config/config") 
    or die("Cannot open $TEXMFSYSVAR/dvipdfm/config/config");
  while (<DVIPDFMCONFIGDIST>) {
    if (m/^D /) {
      print DVIPDFMCONFIGINST 'D "epstopdf --outfile=%o --nocompress %i"', "\n";
    } else {
      print DVIPDFMCONFIGINST;
    }
  }
  close(DVIPDFMCONFIGDIST);
  close(DVIPDFMCONFIGINST);
}
$PostInstall{"bin-dvipdfm"} = \&do_bin_dvipdfm;

sub do_bin_dvipdfmx {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  # dvipdfmx.cfg
  open(DVIPDFMCONFIGDIST, "<$TEXDIR/texmf/dvipdfm/dvipdfmx.cfg") 
    or die("Cannot open $TEXDIR/texmf/dvipdfm/dvipdfmx.cfg");
  open(DVIPDFMCONFIGINST, ">$TEXMFSYSVAR/dvipdfm/dvipdfmx.cfg") 
    or die("Cannot open $TEXMFSYSVAR/dvipdfm/dvipdfmx.cfg");
  while (<DVIPDFMCONFIGDIST>) {
    if (m/^D /) {
      print DVIPDFMCONFIGINST "%$_";
      print DVIPDFMCONFIGINST "\n%% GhostScript (TeX Live (Unix and Win32)):\n";
      print DVIPDFMCONFIGINST 'D  "rungs -q -dNOPAUSE -dBATCH -sPAPERSIZE=a0 -sDEVICE=pdfwrite -dCompatibilityLevel=1.3 -dAutoFilterGrayImages=false -dGrayImageFilter=/FlateEncode -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode -dUseFlateCompression=true -sOutputFile=%o %i -c quit"', "\n\n";
    } else {
      print DVIPDFMCONFIGINST;
    }
  }
  close(DVIPDFMCONFIGDIST);
  close(DVIPDFMCONFIGINST);
}
$PostInstall{"bin-dvipdfmx"} = \&do_bin_dvipdfmx;


sub do_bin_kpathsea {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  copy ("$TEXDIR/texmf/web2c/mktex.cnf",
        "$TEXMFSYSVAR/web2c");
}
$PostInstall{"bin-kpathsea"} = \&do_bin_kpathsea;

sub do_bin_pdftex {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  # the old installer copied from CDDIR, but shouldn't this be installed
  # in ANY case since it is in bin-pdftex???
  copy ("$TEXDIR/texmf/tex/generic/config/pdftexconfig.tex",
        "$TEXMFSYSVAR/tex/generic/config");
}
$PostInstall{"bin-pdftex"} = \&do_bin_pdftex;

sub do_context {
  my ($TEXDIR, $TEXMFSYSVAR) = @_;
  if (!defined($TEXMFSYSVAR)) {
    $TEXMFSYSVAR = `kpsewhich -var-value=TEXMFSYSVAR`;
    chomp($TEXMFSYSVAR);
  }
  # old installer did this, should we do this, TOO????
  copy ("$TEXDIR/texmf-dist/tex/context/config/cont-usr.tex", 
        "$TEXMFSYSVAR/tex/context/config");
}
$PostInstall{"context"} = \&do_context;


1;


=head1 NAME

C<TeXLive::TLPostInstall> -- TeX Live Post Installation Routines

=head1 SYNOPSIS

  use TeXLive::TLPostInstall;

=head1 DESCRIPTION

The L<TeXLive::TLPostInstall> module exports the C<%PostInstall> hash indexed
by package names providing code references.

These code references are called with the root of the installation as
argument (C<$SELFAUTOPARENT>). Additional arguments, but not necessarily
present, are the value of C<TEXMFSYSVAR> and C<TEXMFLOCAL>.

=head1 SEE ALSO

The modules L<TeXLive::TLUtils>, L<TeXLive::TLPSRC>,
L<TeXLive::TLPDB>, L<TeXLive::TLTREE>, L<TeXLive::TeXCatalogue>.

=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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