#!/usr/bin/perl
# cpanel - patch_dbi                              Copyright(c) 2010 cPanel, Inc.
#                                                           All rights Reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

BEGIN { unshift @INC, '/usr/local/cpanel'; }

use Cpanel::SafeFile        ();
use Cpanel::LoadFile        ();
use Cpanel::SafeRun::Simple ();
use Cpanel::Logger          ();

eval 'local $SIG{__DIE__}; use DBI;';

my $module_path = $INC{'DBI.pm'};

my $logger = Cpanel::Logger->new();

my $txt = Cpanel::LoadFile::loadfile($module_path);
if ( $txt !~ /(require|use) DynaLoader/ ) { exit; }
if ( $txt =~ /XSLoader/ ) { exit; }

print "Removing bloated DynaLoader Dep from DBI.\n";

my $mod_fh = Cpanel::SafeFile::safeopen( \*ER, '+<', $module_path );
if ( !$mod_fh ) {
    $logger->die("Could not edit $module_path");
}
my @EN = <ER>;
seek( ER, 0, 0 );
my $inconfig = 0;
foreach (@EN) {
    s/require DynaLoader/use XSLoader/g;
    s/use DynaLoader/use XSLoader/g;
    s/DynaLoader/XSLoader/g;
    s/^\s*bootstrap.*/XSLoader::load 'DBI', \$VERSION\;/g;
    s/^(\s*eval\s*\{\s*)bootstrap[^\}]+\}/$1XSLoader::load 'DBI', \$VERSION\; \}/g;
    print ER $_;
}
truncate( ER, tell(ER) );
Cpanel::SafeFile::safeclose( \*ER, $mod_fh );

my $is_ok = Cpanel::SafeRun::Simple::saferun( ( -e '/usr/local/cpanel/scripts/check_dbi' ? '/usr/local/cpanel/scripts/check_dbi' : '/scripts/check_dbi' ) );
chomp($is_ok);
if ( !$is_ok || $is_ok ne 'ok' ) {
    print "Patching Failed, restoring previous DBI!\n";
    my $mod_fh2 = Cpanel::SafeFile::safeopen( \*ER, '>', $module_path );
    if ( !$mod_fh2 ) {
        $logger->die("Could not edit $module_path");
    }
    print ER $txt;
    Cpanel::SafeFile::safeclose( \*ER, $mod_fh2 );
}

$ENV{DBI_PUREPERL} = 1;
$is_ok = Cpanel::SafeRun::Simple::saferun( ( -e '/usr/local/cpanel/scripts/check_dbi' ? '/usr/local/cpanel/scripts/check_dbi' : '/scripts/check_dbi' ) );
chomp($is_ok);
if ( !$is_ok || $is_ok ne 'ok' ) {
    print "Patching Failed, restoring previous DBI!\n";
    my $mod_fh3 = Cpanel::SafeFile::safeopen( \*ER, '>', $module_path );
    if ( !$mod_fh3 ) {
        $logger->die("Could not edit $module_path");
    }
    print ER $txt;
    Cpanel::SafeFile::safeclose( \*ER, $mod_fh3 );
}

$is_ok = Cpanel::SafeRun::Simple::saferun( ( -e '/usr/local/cpanel/scripts/check_dbi' ? '/usr/local/cpanel/scripts/check_dbi' : '/scripts/check_dbi' ) );
chomp($is_ok);
if ( !$is_ok || $is_ok ne 'ok' ) {
    system '/scripts/perlinstaller', '--force', 'DBI';
}