/inc/rgfs.inc.php (b3ef31fea7816c182abb20a1a2ad81485569755b) (3316 bytes) (mode 100644) (type blob)
<?php
/*
* Helper for rgfs_validate_and_store_meta and for .deb handling
* Paths inside @files must be relative to @subrepo_dir.
* @exec - TRUE - execute remove/rename operations
*/
function rg_rgfs_add_remove($subrepo_dir, $files, $exec)
{
rg_log_enter('rgfs_add_remove');
//rg_log_debug('files=' . print_r($files, TRUE));
$ret = array('ok' => 0);
$locked = FALSE;
do {
$meta_dir = $subrepo_dir . '/meta';
if (!is_dir($meta_dir)) {
$r = @mkdir($meta_dir, 0700);
if ($r === FALSE) {
$ret['errmsg'] = 'canot create meta dir: ' . rg_php_err();
break;
}
}
$lock_file = $meta_dir . '/lock';
$r = rg_lock($lock_file, RG_LOCK_BLOCK);
if ($r !== TRUE) {
$ret['errmsg'] = rg_util_error();
break;
}
$locked = TRUE;
$cache = array();
$cache_path = array();
foreach ($files as $i) {
$repo_id = $i['repo_id'];
$add_path = isset($i['add']) ? $i['add'] : '';
$remove_path = isset($i['del']) ? $i['del'] : '';
if (!isset($cache[$repo_id])) {
$meta_path = $meta_dir . '/' . $repo_id . '.json';
$data = array();
if (file_exists($meta_path)) {
$data = @file_get_contents($meta_path);
if ($data === FALSE) {
$ret['errmsg'] = 'cannot load old data: ' . rg_php_err();
break;
}
$data = rg_unserialize($data);
if ($data === FALSE) {
$ret['errmsg'] = 'cannot unserizalize data';
break;
}
}
$cache_path[$repo_id] = $meta_path;
$cache[$repo_id] = $data;
}
$old_meta = array();
if ((!empty($remove_path)) && isset($cache[$repo_id][$remove_path])) {
$old_meta = $cache[$repo_id][$remove_path];
//rg_log_debug('TODO unsetting cache[' . $repo_id . '][' . $remove_path . ']');
unset($cache[$repo_id][$remove_path]);
//rg_log_debug('old_meta: ' . rg_array2string($old_meta));
}
if (!empty($add_path)) {
if (!empty($old_meta)) {
$new_meta = $old_meta;
} else {
$new_meta = array();
$new_meta['ctime'] = time();
}
foreach ($i['meta'] as $k => $v)
$new_meta[$k] = $v;
$cache[$repo_id][$add_path] = $new_meta;
}
if (!$exec)
break;
if (empty($add_path)) {
// just a remove
rg_log_debug('Removing ' . $remove_path);
$r = @unlink($i['root'] . '/' . $remove_path);
if ($r === FALSE) {
$ret['errmsg'] = 'cannot remove ' . $remove_path . ': ' . rg_php_err();
break;
}
} else if (empty($remove_path)) {
// Just add - nothing to do
} else {
// move
$d = dirname($i['root'] . '/' . $add_path);
if (!is_dir($d)) {
$r = @mkdir($d, 0700, TRUE);
if ($r === FALSE) {
$ret['errmsg'] = 'cannot mkdir ' . $d
. ': ' . rg_php_err();
break;
}
}
$r = @rename($i['root'] . '/' . $remove_path,
$i['root'] . '/' . $add_path);
if ($r === FALSE) {
$ret['errmsg'] = 'cannot rename ' . $remove_path
. ' to ' . $add_path . ': ' . rg_php_err();
break;
}
}
}
if (isset($ret['errmsg']))
break;
foreach ($cache as $_repo_id => $_info) {
$r = rg_save($cache_path[$_repo_id], $_info);
if ($r === FALSE) {
$ret['errmsg'] = rg_php_err();
break;
}
}
if (isset($ret['errmsg']))
break;
$ret['ok'] = 1;
} while (0);
if ($locked)
rg_unlock($lock_file);
rg_log_exit();
return $ret;
}
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AUTHORS |
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History.txt |
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LICENSE |
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README |
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TODO.perf |
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TODO.vm |
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