wfPHPVersionError( 'cli' );
}
-// Wrapper for posix_isatty()
-if ( !function_exists( 'posix_isatty' ) ) {
- # We default as considering stdin a tty (for nice readline methods)
- # but treating stout as not a tty to avoid color codes
- function posix_isatty( $fd ) {
- return !$fd;
- }
-}
-
/**
* Abstract maintenance class for quickly writing and churning out
* maintenance scripts with minimal effort. All that _must_ be defined
/**
* Should we execute the maintenance script, or just allow it to be included
* as a standalone class? It checks that the call stack only includes this
- * function and a require (meaning was called from the file scope)
+ * function and "requires" (meaning was called from the file scope)
*
* @return Boolean
*/
public static function shouldExecute() {
$bt = debug_backtrace();
- if( count( $bt ) !== 2 ) {
- return false;
+ $count = count( $bt );
+ if ( $count < 2 ) {
+ return false; // sanity
+ }
+ if ( $bt[0]['class'] !== 'Maintenance' || $bt[0]['function'] !== 'shouldExecute' ) {
+ return false; // last call should be to this function
}
- return in_array( $bt[1]['function'], array( 'require_once', 'require', 'include' ) ) &&
- $bt[0]['class'] == 'Maintenance' &&
- $bt[0]['function'] == 'shouldExecute';
+ $includeFuncs = array( 'require_once', 'require', 'include', 'include_once' );
+ for( $i=1; $i < $count; $i++ ) {
+ if ( !in_array( $bt[$i]['function'], $includeFuncs ) ) {
+ return false; // previous calls should all be "requires"
+ }
+ }
+ return true;
}
/**
*/
protected function setBatchSize( $s = 0 ) {
$this->mBatchSize = $s;
+
+ // If we support $mBatchSize, show the option.
+ // Used to be in addDefaultParams, but in order for that to
+ // work, subclasses would have to call this function in the constructor
+ // before they called parent::__construct which is just weird
+ // (and really wasn't done).
+ if ( $this->mBatchSize ) {
+ $this->addOption( 'batch-size', 'Run this many operations ' .
+ 'per batch, default: ' . $this->mBatchSize, false, true );
+ if ( isset( $this->mParams['batch-size'] ) ) {
+ // This seems a little ugly...
+ $this->mDependantParameters['batch-size'] = $this->mParams['batch-size'];
+ }
+ }
}
/**
$this->addOption( 'dbuser', 'The DB user to use for this script', false, true );
$this->addOption( 'dbpass', 'The password to use for this script', false, true );
}
- // If we support $mBatchSize, show the option
- if ( $this->mBatchSize ) {
- $this->addOption( 'batch-size', 'Run this many operations ' .
- 'per batch, default: ' . $this->mBatchSize, false, true );
- }
+
# Save additional script dependant options to display
# them separately in help
$this->mDependantParameters = array_diff_key( $this->mParams, $this->mGenericParameters );
$this->mQuiet = true;
}
if ( $this->hasOption( 'batch-size' ) ) {
- $this->mBatchSize = $this->getOption( 'batch-size' );
+ $this->mBatchSize = intval( $this->getOption( 'batch-size' ) );
}
}
}
}
- /**
- * Do setup specific to WMF
- */
- public function loadWikimediaSettings() {
- global $IP, $wgNoDBParam, $wgUseNormalUser, $wgConf, $site, $lang;
-
- if ( empty( $wgNoDBParam ) ) {
- # Check if we were passed a db name
- if ( isset( $this->mOptions['wiki'] ) ) {
- $db = $this->mOptions['wiki'];
- } else {
- $db = array_shift( $this->mArgs );
- }
- list( $site, $lang ) = $wgConf->siteFromDB( $db );
-
- # If not, work out the language and site the old way
- if ( is_null( $site ) || is_null( $lang ) ) {
- if ( !$db ) {
- $lang = 'aa';
- } else {
- $lang = $db;
- }
- if ( isset( $this->mArgs[0] ) ) {
- $site = array_shift( $this->mArgs );
- } else {
- $site = 'wikipedia';
- }
- }
- } else {
- $lang = 'aa';
- $site = 'wikipedia';
- }
-
- # This is for the IRC scripts, which now run as the apache user
- # The apache user doesn't have access to the wikiadmin_pass command
- if ( $_ENV['USER'] == 'apache' ) {
- # if ( posix_geteuid() == 48 ) {
- $wgUseNormalUser = true;
- }
-
- putenv( 'wikilang=' . $lang );
-
- ini_set( 'include_path', ".:$IP:$IP/includes:$IP/languages:$IP/maintenance" );
-
- if ( $lang == 'test' && $site == 'wikipedia' ) {
- if ( !defined( 'TESTWIKI' ) ) {
- define( 'TESTWIKI', 1 );
- }
- }
- }
-
/**
* Generic setup for most installs. Returns the location of LocalSettings
* @return String
return $title;
}
+ /**
+ * Wrapper for posix_isatty()
+ * We default as considering stdin a tty (for nice readline methods)
+ * but treating stout as not a tty to avoid color codes
+ *
+ * @param $fd int File descriptor
+ * @return bool
+ */
+ public static function posix_isatty( $fd ) {
+ if ( !MWInit::functionExists( 'posix_isatty' ) ) {
+ return !$fd;
+ } else {
+ return posix_isatty( $fd );
+ }
+ }
+
/**
* Prompt the console for input
* @param $prompt String what to begin the line with, like '> '
public static function readconsole( $prompt = '> ' ) {
static $isatty = null;
if ( is_null( $isatty ) ) {
- $isatty = posix_isatty( 0 /*STDIN*/ );
+ $isatty = self::posix_isatty( 0 /*STDIN*/ );
}
if ( $isatty && function_exists( 'readline' ) ) {
}
}
+/**
+ * Fake maintenance wrapper, mostly used for the web installer/updater
+ */
class FakeMaintenance extends Maintenance {
protected $mSelf = "FakeMaintenanceScript";
public function execute() {
return;
}
}
+
+/**
+ * Class for scripts that perform database maintenance and want to log the
+ * update in `updatelog` so we can later skip it
+ */
+abstract class LoggedUpdateMaintenance extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->addOption( 'force', 'Run the update even if it was completed already' );
+ $this->setBatchSize( 200 );
+ }
+
+ public function execute() {
+ $db = $this->getDB( DB_MASTER );
+ $key = $this->getUpdateKey();
+
+ if ( !$this->hasOption( 'force' ) &&
+ $db->selectRow( 'updatelog', '1', array( 'ul_key' => $key ), __METHOD__ ) )
+ {
+ $this->output( "..." . $this->updateSkippedMessage() . "\n" );
+ return true;
+ }
+
+ if ( !$this->doDBUpdates() ) {
+ return false;
+ }
+
+ if (
+ $db->insert( 'updatelog', array( 'ul_key' => $key ), __METHOD__, 'IGNORE' ) )
+ {
+ return true;
+ } else {
+ $this->output( $this->updatelogFailedMessage() . "\n" );
+ return false;
+ }
+ }
+
+ /**
+ * Message to show the the update log was unable to log the completion of this update
+ * @return String
+ */
+ protected function updatelogFailedMessage() {
+ $key = $this->getUpdateKey();
+ return "Unable to log update '{$key}' as completed.";
+ }
+
+ /**
+ * Do the actual work. All child classes will need to implement this.
+ * Return true to log the update as done or false (usually on failure).
+ * @return Bool
+ */
+ abstract protected function doDBUpdates();
+
+ /**
+ * Get the update key name to go in the update log table
+ * @return String
+ */
+ abstract protected function getUpdateKey();
+
+ /**
+ * Message to show that the update was done already and was just skipped
+ * @return String
+ */
+ abstract protected function updateSkippedMessage();
+}