mpv/debian/postinst

#!/usr/bin/perl -w

# mplayer postinst

require ConfHelper;

use Debconf::Client::ConfModule qw(:all);
use IO::Handle;
use Fcntl;
my $version = version(1.0);
my @savedolddata = ();
my $didupgrade = 0;

dealwithupgrades();

my $mcfg = new ConfHelper('mplayer', "/etc/mplayer/mplayer.conf");
$mcfg->setconfarea("
#MPlayer config file generated by .deb package.
#ffactor	=	0.9
#fs	=	yes
");

###########################################################################

debug("Configuring video output driver...");

my $dcarea = <<"EOF";
# MPlayer video output driver, configured by mplayer.deb
EOF

  $dcarea .= "vo=" . scalar(get("mplayer/voutput"));
  $dcarea .= "\n";

$mcfg->setconfarea($dcarea);

if ($didupgrade) {
  $mcfg->setotherarea_DANGEROUS(@savedolddata);
}

#%###################################

exit unless (get("mplayer/configure") eq 'true');
exit unless (fget("mplayer/configure", "isdefault") eq 'false');

#%##################################
get("mplayer/cfgnote");



sub dealwithupgrades {
  open(OLDCONF, "</etc/mplayer/mplayer.conf") || return 1;
  close OLDCONF;

  my $mconf = new ConfHelper("mplayer", "/etc/mplayer/mplayer.conf");
  return 1 if ($mconf->hasconfarea());
  undef $mconf;

  if ((get('mplayer/replace-existing-files') eq 'true') &&
      (fget('mplayer/replace-existing-files', 'isdefault') eq 'false')) {
    print STDERR "Upgrading...\n";
#?    saveolddata("/etc/network/interfaces", "pppconf");
    $didupgrade = 1;
    for my $file ("/etc/mplayer/mplayer.conf"
    #, "/etc/mplayer/fonts/sth
    ) {
      debug("Deleting $file");
      unlink $file;
    }
  } else {
    print STDERR "Upgrade refused, exiting.\n";
    exit 0;
  }
}

# Gets any debconf area for other packages and saves it off.

sub saveolddata {
  my ($file, $package) = @_;
  my $conf = new ConfHelper($package, $file);
  push(@savedolddata, $conf->{startline} . "\n");
  push(@savedolddata, $conf->getconfarea());
  push(@savedolddata, $conf->{endline} . "\n");
}
		  
sub debug {
  print STDERR @_, "\n";
}