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#!@prefix@/bin/php -Cq
<?php // -*- PHP -*-
// {{{ setup
define('S_IFDIR', 0040000); // Directory
define('S_IFCHR', 0020000); // Character device
define('S_IFBLK', 0060000); // Block device
define('S_IFREG', 0100000); // Regular file
define('S_IFIFO', 0010000); // FIFO
define('S_IFLNK', 0120000); // Symbolic link
define('S_IFSOCK', 0140000); // Socket
require_once "PEAR.php";
require_once "Archive/Tar.php";
require_once "Console/Getopt.php";
// }}}
// {{{ options
$verbose = false;
$op_create = false;
$op_list = false;
$op_extract = false;
$use_gzip = false;
$file = '';
$progname = basename(array_shift($argv));
$options = Console_Getopt::getopt($argv, "h?ctxvzf:");
if (PEAR::isError($options)) {
usage($options);
}
$opts = $options[0];
foreach ($opts as $opt) {
switch ($opt[0]) {
case 'v': {
$verbose = true;
break;
}
case 'c': {
$op_create = true;
break;
}
case 't': {
$op_list = true;
break;
}
case 'x': {
$op_extract = true;
break;
}
case 'z': {
$use_gzip = true;
break;
}
case 'f': {
$file = $opt[1];
break;
}
case 'h':
case '?': {
usage();
break;
}
}
}
if ($op_create + $op_list + $op_extract > 1) {
usage("Only one of -c, -t and -x can be specified at once!");
}
if ($op_create + $op_list + $op_extract == 0) {
usage("Please specify either -c, -t or -x!");
}
if (empty($file)) {
if ($op_create) {
$file = "php://stdout";
} else {
$file = "php://stdin";
}
}
// }}}
$tar = new Archive_Tar($file, $use_gzip);
$tar->setErrorHandling(PEAR_ERROR_DIE, "$progname error: %s\n");
if ($op_create) {
do_create($tar, $options[1]);
$tar->create($options[1]);
} elseif ($op_list) {
do_list($tar, $verbose);
} elseif ($op_extract) {
do_extract($tar);
}
// {{{ getrwx()
function getrwx($bits) {
$str = '';
$str .= ($bits & 4) ? 'r' : '-';
$str .= ($bits & 2) ? 'w' : '-';
$str .= ($bits & 1) ? 'x' : '-';
return $str;
}
// }}}
// {{{ getfiletype()
function getfiletype($bits) {
static $map = array(
'-' => S_IFREG,
'd' => S_IFDIR,
'l' => S_IFLNK,
'c' => S_IFCHR,
'b' => S_IFBLK,
'p' => S_IFIFO,
's' => S_IFSOCK,
);
foreach ($map as $char => $mask) {
if ($bits & $mask) {
return $char;
}
}
}
// }}}
// {{{ getuser()
function getuser($uid) {
static $cache = array();
if (isset($cache[$uid])) {
return $cache[$uid];
}
if (function_exists("posix_getpwuid")) {
if (is_array($user = @posix_getpwuid($uid))) {
$cache[$uid] = $user['name'];
return $user['name'];
}
}
$cache[$uid] = $uid;
return $uid;
}
// }}}
// {{{ getgroup()
function getgroup($gid) {
static $cache = array();
if (isset($cache[$gid])) {
return $cache[$gid];
}
if (function_exists("posix_getgrgid")) {
if (is_array($group = @posix_getgrgid($gid))) {
$cache[$gid] = $group['name'];
return $group['name'];
}
}
$cache[$gid] = $gid;
return $gid;
}
// }}}
// {{{ do_create()
function do_create(&$tar, &$files)
{
$tar->create($files);
}
// }}}
// {{{ do_list()
function do_list(&$tar, $verbose)
{
static $rwx = array(4 => 'r', 2 => 'w', 1 => 'x');
$files = $tar->listContent();
if (is_array($files) && sizeof($files) > 0) {
foreach ($files as $file) {
if ($verbose) {
$fm = (int)$file['mode'];
$mode = sprintf('%s%s%s%s', getfiletype($fm),
getrwx(($fm >> 6) & 7), getrwx(($fm >> 3) & 7),
getrwx($fm & 7));
$owner = getuser($file['uid']) . '/' . getgroup($file['gid']);
printf("%10s %-11s %7d %s %s\n", $mode, $owner, $file['size'],
date('Y-m-d H:i:s', $file['mtime']), $file['filename']);
} else {
printf("%s\n", $file['filename']);
}
}
}
}
// }}}
// {{{ do_extract()
function do_extract(&$tar, $destdir = ".")
{
$tar->extract($destdir);
}
// }}}
// {{{ usage()
function usage($errormsg = '')
{
global $progname;
$fp = fopen("php://stderr", "w");
if ($errormsg) {
if (PEAR::isError($errormsg)) {
fwrite($fp, $errormsg->getMessage() . "\n");
} else {
fwrite($fp, "$errormsg\n");
}
}
fwrite($fp, "$progname [-h|-?] {-c|-t|-x} [-z] [-v] [-f file] [file(s)...]
Options:
-h, -? Show this screen
-c Create archive
-t List archive
-x Extract archive
-z Run input/output through gzip
-f file Use <file> as input or output (default is stdin/stdout)
");
fclose($fp);
exit;
}
// }}}
?>
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