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MDL-41086 rework detection of necessary upgrades

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This commit is contained in:
Petr Škoda 2013-08-08 21:11:18 +02:00
parent 166c1d74e3
commit c5701ce7d4
5 changed files with 64 additions and 135 deletions
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52
lib/classes/component.php
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@ -779,6 +779,58 @@ $cache = '.var_export($cache, true).';
return $return;
}
/**
* Returns hash of all versions including core and all plugins.
*
* This is relatively slow and not fully cached, use with care!
*
* @return string sha1 hash
*/
public static function get_all_versions_hash() {
global $CFG;
self::init();
$versions = array();
// Main version first.
$version = null;
include($CFG->dirroot.'/version.php');
$versions['core'] = $version;
// The problem here is tha the component cache might be stable,
// we want this to work also on frontpage without resetting the component cache.
$usecache = false;
if (CACHE_DISABLE_ALL or (defined('IGNORE_COMPONENT_CACHE') and IGNORE_COMPONENT_CACHE)) {
$usecache = true;
}
// Now all plugins.
$plugintypes = core_component::get_plugin_types();
foreach ($plugintypes as $type => $typedir) {
if ($usecache) {
$plugs = core_component::get_plugin_list($type);
} else {
$plugs = self::fetch_plugins($type, $typedir);
}
foreach ($plugs as $plug => $fullplug) {
if ($type === 'mod') {
$module = new stdClass();
$module->version = null;
include($fullplug.'/version.php');
$versions[$plug] = $module->version;
} else {
$plugin = new stdClass();
$plugin->version = null;
@include($fullplug.'/version.php');
$versions[$plug] = $plugin->version;
}
}
}
return sha1(serialize($versions));
}
/**
* Invalidate opcode cache for given file, this is intended for
* php files that are stored in dataroot.