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-rw-r--r--maintenance/Maintenance.php634
1 files changed, 455 insertions, 179 deletions
diff --git a/maintenance/Maintenance.php b/maintenance/Maintenance.php
index ee35df7c..d7297e98 100644
--- a/maintenance/Maintenance.php
+++ b/maintenance/Maintenance.php
@@ -6,16 +6,27 @@
*/
// Define this so scripts can easily find doMaintenance.php
-define( 'DO_MAINTENANCE', dirname( __FILE__ ) . '/doMaintenance.php' );
+define( 'RUN_MAINTENANCE_IF_MAIN', dirname( __FILE__ ) . '/doMaintenance.php' );
+define( 'DO_MAINTENANCE', RUN_MAINTENANCE_IF_MAIN ); // original name, harmless
+
$maintClass = false;
// Make sure we're on PHP5 or better
-if( version_compare( PHP_VERSION, '5.0.0' ) < 0 ) {
- echo( "Sorry! This version of MediaWiki requires PHP 5; you are running " .
+if ( version_compare( PHP_VERSION, '5.2.3' ) < 0 ) {
+ die ( "Sorry! This version of MediaWiki requires PHP 5.2.3; you are running " .
PHP_VERSION . ".\n\n" .
- "If you are sure you already have PHP 5 installed, it may be installed\n" .
- "in a different path from PHP 4. Check with your system administrator.\n" );
- die();
+ "If you are sure you already have PHP 5.2.3 or higher installed, it may be\n" .
+ "installed in a different path from PHP " . PHP_VERSION . ". Check with your system\n" .
+ "administrator.\n" );
+}
+
+// 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;
+ }
}
/**
@@ -93,15 +104,38 @@ abstract class Maintenance {
protected static $mCoreScripts = null;
/**
- * Default constructor. Children should call this if implementing
+ * Default constructor. Children should call this *first* if implementing
* their own constructors
*/
public function __construct() {
+ // Setup $IP, using MW_INSTALL_PATH if it exists
+ global $IP;
+ $IP = strval( getenv( 'MW_INSTALL_PATH' ) ) !== ''
+ ? getenv( 'MW_INSTALL_PATH' )
+ : realpath( dirname( __FILE__ ) . '/..' );
+
$this->addDefaultParams();
register_shutdown_function( array( $this, 'outputChanneled' ), false );
}
/**
+ * 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)
+ *
+ * @return Boolean
+ */
+ public static function shouldExecute() {
+ $bt = debug_backtrace();
+ if( count( $bt ) !== 2 ) {
+ return false;
+ }
+ return $bt[1]['function'] == 'require_once' &&
+ $bt[0]['class'] == 'Maintenance' &&
+ $bt[0]['function'] == 'shouldExecute';
+ }
+
+ /**
* Do the actual work. All child classes will need to implement this
*/
abstract public function execute();
@@ -110,10 +144,10 @@ abstract class Maintenance {
* Add a parameter to the script. Will be displayed on --help
* with the associated description
*
- * @param $name String The name of the param (help, version, etc)
- * @param $description String The description of the param to show on --help
- * @param $required boolean Is the param required?
- * @param $withArg Boolean Is an argument required with this option?
+ * @param $name String: the name of the param (help, version, etc)
+ * @param $description String: the description of the param to show on --help
+ * @param $required Boolean: is the param required?
+ * @param $withArg Boolean: is an argument required with this option?
*/
protected function addOption( $name, $description, $required = false, $withArg = false ) {
$this->mParams[$name] = array( 'desc' => $description, 'require' => $required, 'withArg' => $withArg );
@@ -121,8 +155,8 @@ abstract class Maintenance {
/**
* Checks to see if a particular param exists.
- * @param $name String The name of the param
- * @return boolean
+ * @param $name String: the name of the param
+ * @return Boolean
*/
protected function hasOption( $name ) {
return isset( $this->mOptions[$name] );
@@ -130,12 +164,12 @@ abstract class Maintenance {
/**
* Get an option, or return the default
- * @param $name String The name of the param
- * @param $default mixed Anything you want, default null
- * @return mixed
+ * @param $name String: the name of the param
+ * @param $default Mixed: anything you want, default null
+ * @return Mixed
*/
protected function getOption( $name, $default = null ) {
- if( $this->hasOption( $name ) ) {
+ if ( $this->hasOption( $name ) ) {
return $this->mOptions[$name];
} else {
// Set it so we don't have to provide the default again
@@ -146,22 +180,38 @@ abstract class Maintenance {
/**
* Add some args that are needed
- * @param $arg String Name of the arg, like 'start'
- * @param $description String Short description of the arg
- * @param $required Boolean Is this required?
+ * @param $arg String: name of the arg, like 'start'
+ * @param $description String: short description of the arg
+ * @param $required Boolean: is this required?
*/
protected function addArg( $arg, $description, $required = true ) {
- $this->mArgList[] = array(
+ $this->mArgList[] = array(
'name' => $arg,
- 'desc' => $description,
- 'require' => $required
+ 'desc' => $description,
+ 'require' => $required
);
}
/**
+ * Remove an option. Useful for removing options that won't be used in your script.
+ * @param $name String: the option to remove.
+ */
+ protected function deleteOption( $name ) {
+ unset( $this->mParams[$name] );
+ }
+
+ /**
+ * Set the description text.
+ * @param $text String: the text of the description
+ */
+ protected function addDescription( $text ) {
+ $this->mDescription = $text;
+ }
+
+ /**
* Does a given argument exist?
- * @param $argId int The integer value (from zero) for the arg
- * @return boolean
+ * @param $argId Integer: the integer value (from zero) for the arg
+ * @return Boolean
*/
protected function hasArg( $argId = 0 ) {
return isset( $this->mArgs[$argId] );
@@ -169,8 +219,8 @@ abstract class Maintenance {
/**
* Get an argument.
- * @param $argId int The integer value (from zero) for the arg
- * @param $default mixed The default if it doesn't exist
+ * @param $argId Integer: the integer value (from zero) for the arg
+ * @param $default Mixed: the default if it doesn't exist
* @return mixed
*/
protected function getArg( $argId = 0, $default = null ) {
@@ -179,7 +229,7 @@ abstract class Maintenance {
/**
* Set the batch size.
- * @param $s int The number of operations to do in a batch
+ * @param $s Integer: the number of operations to do in a batch
*/
protected function setBatchSize( $s = 0 ) {
$this->mBatchSize = $s;
@@ -195,33 +245,42 @@ abstract class Maintenance {
/**
* Return input from stdin.
- * @param $length int The number of bytes to read. If null,
+ * @param $len Integer: the number of bytes to read. If null,
* just return the handle. Maintenance::STDIN_ALL returns
* the full length
- * @return mixed
+ * @return Mixed
*/
protected function getStdin( $len = null ) {
- if ( $len == Maintenance::STDIN_ALL )
+ if ( $len == Maintenance::STDIN_ALL ) {
return file_get_contents( 'php://stdin' );
+ }
$f = fopen( 'php://stdin', 'rt' );
- if( !$len )
+ if ( !$len ) {
return $f;
+ }
$input = fgets( $f, $len );
fclose( $f );
return rtrim( $input );
}
+ public function isQuiet() {
+ return $this->mQuiet;
+ }
+
/**
* Throw some output to the user. Scripts can call this with no fears,
* as we handle all --quiet stuff here
- * @param $out String The text to show to the user
- * @param $channel Mixed Unique identifier for the channel. See function outputChanneled.
+ * @param $out String: the text to show to the user
+ * @param $channel Mixed: unique identifier for the channel. See
+ * function outputChanneled.
*/
protected function output( $out, $channel = null ) {
- if( $this->mQuiet ) {
+ if ( $this->mQuiet ) {
return;
}
if ( $channel === null ) {
+ $this->cleanupChanneled();
+
$f = fopen( 'php://stdout', 'w' );
fwrite( $f, $out );
fclose( $f );
@@ -235,41 +294,54 @@ abstract class Maintenance {
/**
* Throw an error to the user. Doesn't respect --quiet, so don't use
* this for non-error output
- * @param $err String The error to display
- * @param $die boolean If true, go ahead and die out.
+ * @param $err String: the error to display
+ * @param $die Boolean: If true, go ahead and die out.
*/
protected function error( $err, $die = false ) {
$this->outputChanneled( false );
if ( php_sapi_name() == 'cli' ) {
fwrite( STDERR, $err . "\n" );
} else {
- $f = fopen( 'php://stderr', 'w' );
+ $f = fopen( 'php://stderr', 'w' );
fwrite( $f, $err . "\n" );
fclose( $f );
}
- if( $die ) die();
+ if ( $die ) {
+ die();
+ }
}
private $atLineStart = true;
private $lastChannel = null;
-
+
+ /**
+ * Clean up channeled output. Output a newline if necessary.
+ */
+ public function cleanupChanneled() {
+ if ( !$this->atLineStart ) {
+ $handle = fopen( 'php://stdout', 'w' );
+ fwrite( $handle, "\n" );
+ fclose( $handle );
+ $this->atLineStart = true;
+ }
+ }
+
/**
* Message outputter with channeled message support. Messages on the
* same channel are concatenated, but any intervening messages in another
* channel start a new line.
- * @param $msg String The message without trailing newline
- * @param $channel Channel identifier or null for no channel. Channel comparison uses ===.
+ * @param $msg String: the message without trailing newline
+ * @param $channel Channel identifier or null for no
+ * channel. Channel comparison uses ===.
*/
public function outputChanneled( $msg, $channel = null ) {
- $handle = fopen( 'php://stdout', 'w' );
-
if ( $msg === false ) {
- // For cleanup
- if ( !$this->atLineStart ) fwrite( $handle, "\n" );
- fclose( $handle );
+ $this->cleanupChanneled();
return;
}
+ $handle = fopen( 'php://stdout', 'w' );
+
// End the current line if necessary
if ( !$this->atLineStart && $channel !== $this->lastChannel ) {
fwrite( $handle, "\n" );
@@ -292,12 +364,12 @@ abstract class Maintenance {
/**
* Does the script need different DB access? By default, we give Maintenance
* scripts normal rights to the DB. Sometimes, a script needs admin rights
- * access for a reason and sometimes they want no access. Subclasses should
+ * access for a reason and sometimes they want no access. Subclasses should
* override and return one of the following values, as needed:
* Maintenance::DB_NONE - For no DB access at all
* Maintenance::DB_STD - For normal DB access, default
* Maintenance::DB_ADMIN - For admin DB access
- * @return int
+ * @return Integer
*/
public function getDbType() {
return Maintenance::DB_STD;
@@ -307,44 +379,41 @@ abstract class Maintenance {
* Add the default parameters to the scripts
*/
protected function addDefaultParams() {
- $this->addOption( 'help', "Display this help message" );
- $this->addOption( 'quiet', "Whether to supress non-error output" );
- $this->addOption( 'conf', "Location of LocalSettings.php, if not default", false, true );
- $this->addOption( 'wiki', "For specifying the wiki ID", false, true );
- $this->addOption( 'globals', "Output globals at the end of processing for debugging" );
- $this->addOption( 'server', "The protocol and server name to use in URLs, e.g.\n" .
- "\t\thttp://en.wikipedia.org. This is sometimes necessary because\n" .
- "\t\tserver name detection may fail in command line scripts.", false, true );
+ $this->addOption( 'help', 'Display this help message' );
+ $this->addOption( 'quiet', 'Whether to supress non-error output' );
+ $this->addOption( 'conf', 'Location of LocalSettings.php, if not default', false, true );
+ $this->addOption( 'wiki', 'For specifying the wiki ID', false, true );
+ $this->addOption( 'globals', 'Output globals at the end of processing for debugging' );
+ $this->addOption( 'memory-limit', 'Set a specific memory limit for the script, "max" for no limit or "default" to avoid changing it' );
+ $this->addOption( 'server', "The protocol and server name to use in URLs, e.g. " .
+ "http://en.wikipedia.org. This is sometimes necessary because " .
+ "server name detection may fail in command line scripts.", false, true );
// If we support a DB, show the options
- if( $this->getDbType() > 0 ) {
- $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 ( $this->getDbType() > 0 ) {
+ $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 ) {
+ if ( $this->mBatchSize ) {
$this->addOption( 'batch-size', 'Run this many operations ' .
- 'per batch, default: ' . $this->mBatchSize , false, true );
+ 'per batch, default: ' . $this->mBatchSize, false, true );
}
}
/**
* Run a child maintenance script. Pass all of the current arguments
* to it.
- * @param $maintClass String A name of a child maintenance class
- * @param $classFile String Full path of where the child is
+ * @param $maintClass String: a name of a child maintenance class
+ * @param $classFile String: full path of where the child is
* @return Maintenance child
*/
- protected function runChild( $maintClass, $classFile = null ) {
- // If we haven't already specified, kill setup procedures
- // for child scripts, we've already got a sane environment
- self::disableSetup();
-
+ public function runChild( $maintClass, $classFile = null ) {
// Make sure the class is loaded first
- if( !class_exists( $maintClass ) ) {
- if( $classFile ) {
+ if ( !class_exists( $maintClass ) ) {
+ if ( $classFile ) {
require_once( $classFile );
}
- if( !class_exists( $maintClass ) ) {
+ if ( !class_exists( $maintClass ) ) {
$this->error( "Cannot spawn child: $maintClass" );
}
}
@@ -355,34 +424,26 @@ abstract class Maintenance {
}
/**
- * Disable Setup.php mostly
- */
- protected static function disableSetup() {
- if( !defined( 'MW_NO_SETUP' ) )
- define( 'MW_NO_SETUP', true );
- }
-
- /**
* Do some sanity checking and basic setup
*/
public function setup() {
- global $IP, $wgCommandLineMode, $wgRequestTime;
+ global $wgCommandLineMode, $wgRequestTime;
# Abort if called from a web server
- if ( isset( $_SERVER ) && array_key_exists( 'REQUEST_METHOD', $_SERVER ) ) {
- $this->error( "This script must be run from the command line", true );
+ if ( isset( $_SERVER ) && isset( $_SERVER['REQUEST_METHOD'] ) ) {
+ $this->error( 'This script must be run from the command line', true );
}
# Make sure we can handle script parameters
- if( !ini_get( 'register_argc_argv' ) ) {
- $this->error( "Cannot get command line arguments, register_argc_argv is set to false", true );
+ if ( !ini_get( 'register_argc_argv' ) ) {
+ $this->error( 'Cannot get command line arguments, register_argc_argv is set to false', true );
}
- if( version_compare( phpversion(), '5.2.4' ) >= 0 ) {
+ if ( version_compare( phpversion(), '5.2.4' ) >= 0 ) {
// Send PHP warnings and errors to stderr instead of stdout.
// This aids in diagnosing problems, while keeping messages
// out of redirected output.
- if( ini_get( 'display_errors' ) ) {
+ if ( ini_get( 'display_errors' ) ) {
ini_set( 'display_errors', 'stderr' );
}
@@ -393,9 +454,12 @@ abstract class Maintenance {
// command-line mode is on, regardless of PHP version.
}
+ $this->loadParamsAndArgs();
+ $this->maybeHelp();
+
# Set the memory limit
# Note we need to set it again later in cache LocalSettings changed it
- ini_set( 'memory_limit', $this->memoryLimit() );
+ $this->adjustMemoryLimit();
# Set max execution time to 0 (no limit). PHP.net says that
# "When running PHP from the command line the default setting is 0."
@@ -407,27 +471,38 @@ abstract class Maintenance {
# Define us as being in MediaWiki
define( 'MEDIAWIKI', true );
- # Setup $IP, using MW_INSTALL_PATH if it exists
- $IP = strval( getenv( 'MW_INSTALL_PATH' ) ) !== ''
- ? getenv( 'MW_INSTALL_PATH' )
- : realpath( dirname( __FILE__ ) . '/..' );
-
$wgCommandLineMode = true;
# Turn off output buffering if it's on
@ob_end_flush();
- $this->loadParamsAndArgs();
- $this->maybeHelp();
$this->validateParamsAndArgs();
}
/**
* Normally we disable the memory_limit when running admin scripts.
* Some scripts may wish to actually set a limit, however, to avoid
- * blowing up unexpectedly.
+ * blowing up unexpectedly. We also support a --memory-limit option,
+ * to allow sysadmins to explicitly set one if they'd prefer to override
+ * defaults (or for people using Suhosin which yells at you for trying
+ * to disable the limits)
*/
public function memoryLimit() {
- return -1;
+ $limit = $this->getOption( 'memory-limit', 'max' );
+ $limit = trim( $limit, "\" '" ); // trim quotes in case someone misunderstood
+ return $limit;
+ }
+
+ /**
+ * Adjusts PHP's memory limit to better suit our needs, if needed.
+ */
+ protected function adjustMemoryLimit() {
+ $limit = $this->memoryLimit();
+ if ( $limit == 'max' ) {
+ $limit = -1; // no memory limit
+ }
+ if ( $limit != 'default' ) {
+ ini_set( 'memory_limit', $limit );
+ }
}
/**
@@ -450,15 +525,15 @@ abstract class Maintenance {
*/
public function loadParamsAndArgs( $self = null, $opts = null, $args = null ) {
# If we were given opts or args, set those and return early
- if( $self ) {
+ if ( $self ) {
$this->mSelf = $self;
$this->mInputLoaded = true;
}
- if( $opts ) {
+ if ( $opts ) {
$this->mOptions = $opts;
$this->mInputLoaded = true;
}
- if( $args ) {
+ if ( $args ) {
$this->mArgs = $args;
$this->mInputLoaded = true;
}
@@ -466,7 +541,7 @@ abstract class Maintenance {
# If we've already loaded input (either by user values or from $argv)
# skip on loading it again. The array_shift() will corrupt values if
# it's run again and again
- if( $this->mInputLoaded ) {
+ if ( $this->mInputLoaded ) {
$this->loadSpecialVars();
return;
}
@@ -478,11 +553,11 @@ abstract class Maintenance {
$args = array();
# Parse arguments
- for( $arg = reset( $argv ); $arg !== false; $arg = next( $argv ) ) {
+ for ( $arg = reset( $argv ); $arg !== false; $arg = next( $argv ) ) {
if ( $arg == '--' ) {
# End of options, remainder should be considered arguments
$arg = next( $argv );
- while( $arg !== false ) {
+ while ( $arg !== false ) {
$args[] = $arg;
$arg = next( $argv );
}
@@ -499,7 +574,7 @@ abstract class Maintenance {
$options[$option] = $param;
} else {
$bits = explode( '=', $option, 2 );
- if( count( $bits ) > 1 ) {
+ if ( count( $bits ) > 1 ) {
$option = $bits[0];
$param = $bits[1];
} else {
@@ -509,8 +584,8 @@ abstract class Maintenance {
}
} elseif ( substr( $arg, 0, 1 ) == '-' ) {
# Short options
- for ( $p=1; $p<strlen( $arg ); $p++ ) {
- $option = $arg{$p};
+ for ( $p = 1; $p < strlen( $arg ); $p++ ) {
+ $option = $arg { $p } ;
if ( isset( $this->mParams[$option]['withArg'] ) && $this->mParams[$option]['withArg'] ) {
$param = next( $argv );
if ( $param === false ) {
@@ -539,35 +614,41 @@ abstract class Maintenance {
protected function validateParamsAndArgs() {
$die = false;
# Check to make sure we've got all the required options
- foreach( $this->mParams as $opt => $info ) {
- if( $info['require'] && !$this->hasOption( $opt ) ) {
+ foreach ( $this->mParams as $opt => $info ) {
+ if ( $info['require'] && !$this->hasOption( $opt ) ) {
$this->error( "Param $opt required!" );
$die = true;
}
}
# Check arg list too
- foreach( $this->mArgList as $k => $info ) {
- if( $info['require'] && !$this->hasArg($k) ) {
- $this->error( "Argument <" . $info['name'] . "> required!" );
+ foreach ( $this->mArgList as $k => $info ) {
+ if ( $info['require'] && !$this->hasArg( $k ) ) {
+ $this->error( 'Argument <' . $info['name'] . '> required!' );
$die = true;
}
}
-
- if( $die ) $this->maybeHelp( true );
+
+ if ( $die ) {
+ $this->maybeHelp( true );
+ }
}
/**
* Handle the special variables that are global to all scripts
*/
protected function loadSpecialVars() {
- if( $this->hasOption( 'dbuser' ) )
+ if ( $this->hasOption( 'dbuser' ) ) {
$this->mDbUser = $this->getOption( 'dbuser' );
- if( $this->hasOption( 'dbpass' ) )
+ }
+ if ( $this->hasOption( 'dbpass' ) ) {
$this->mDbPass = $this->getOption( 'dbpass' );
- if( $this->hasOption( 'quiet' ) )
+ }
+ if ( $this->hasOption( 'quiet' ) ) {
$this->mQuiet = true;
- if( $this->hasOption( 'batch-size' ) )
+ }
+ if ( $this->hasOption( 'batch-size' ) ) {
$this->mBatchSize = $this->getOption( 'batch-size' );
+ }
}
/**
@@ -575,40 +656,62 @@ abstract class Maintenance {
* @param $force boolean Whether to force the help to show, default false
*/
protected function maybeHelp( $force = false ) {
- $screenWidth = 80; // TODO: Caculate this!
+ if( !$force && !$this->hasOption( 'help' ) ) {
+ return;
+ }
+
+ $screenWidth = 80; // TODO: Caculate this!
$tab = " ";
$descWidth = $screenWidth - ( 2 * strlen( $tab ) );
-
+
ksort( $this->mParams );
- if( $this->hasOption( 'help' ) || $force ) {
- $this->mQuiet = false;
+ $this->mQuiet = false;
- if( $this->mDescription ) {
- $this->output( "\n" . $this->mDescription . "\n" );
- }
- $output = "\nUsage: php " . basename( $this->mSelf );
- if( $this->mParams ) {
- $output .= " [--" . implode( array_keys( $this->mParams ), "|--" ) . "]";
- }
- if( $this->mArgList ) {
- $output .= " <";
- foreach( $this->mArgList as $k => $arg ) {
- $output .= $arg['name'] . ">";
- if( $k < count( $this->mArgList ) - 1 )
- $output .= " <";
+ // Description ...
+ if ( $this->mDescription ) {
+ $this->output( "\n" . $this->mDescription . "\n" );
+ }
+ $output = "\nUsage: php " . basename( $this->mSelf );
+
+ // ... append parameters ...
+ if ( $this->mParams ) {
+ $output .= " [--" . implode( array_keys( $this->mParams ), "|--" ) . "]";
+ }
+
+ // ... and append arguments.
+ if ( $this->mArgList ) {
+ $output .= ' ';
+ foreach ( $this->mArgList as $k => $arg ) {
+ if ( $arg['require'] ) {
+ $output .= '<' . $arg['name'] . '>';
+ } else {
+ $output .= '[' . $arg['name'] . ']';
}
+ if ( $k < count( $this->mArgList ) - 1 )
+ $output .= ' ';
}
- $this->output( "$output\n" );
- foreach( $this->mParams as $par => $info ) {
- $this->output( wordwrap( "$tab$par : " . $info['desc'], $descWidth,
- "\n$tab$tab" ) . "\n" );
- }
- foreach( $this->mArgList as $info ) {
- $this->output( wordwrap( "$tab<" . $info['name'] . "> : " .
- $info['desc'], $descWidth, "\n$tab$tab" ) . "\n" );
- }
- die( 1 );
}
+ $this->output( "$output\n\n" );
+
+ // Parameters description
+ foreach ( $this->mParams as $par => $info ) {
+ $this->output(
+ wordwrap( "$tab--$par: " . $info['desc'], $descWidth,
+ "\n$tab$tab" ) . "\n"
+ );
+ }
+
+ // Arguments description
+ foreach ( $this->mArgList as $info ) {
+ $openChar = $info['require'] ? '<' : '[';
+ $closeChar = $info['require'] ? '>' : ']';
+ $this->output(
+ wordwrap( "$tab$openChar" . $info['name'] . "$closeChar: " .
+ $info['desc'], $descWidth, "\n$tab$tab" ) . "\n"
+ );
+ }
+
+ die( 1 );
}
/**
@@ -616,11 +719,11 @@ abstract class Maintenance {
*/
public function finalSetup() {
global $wgCommandLineMode, $wgShowSQLErrors, $wgServer;
- global $wgTitle, $wgProfiling, $IP, $wgDBadminuser, $wgDBadminpassword;
+ global $wgProfiling, $wgDBadminuser, $wgDBadminpassword;
global $wgDBuser, $wgDBpassword, $wgDBservers, $wgLBFactoryConf;
# Turn off output buffering again, it might have been turned on in the settings files
- if( ob_get_level() ) {
+ if ( ob_get_level() ) {
ob_end_flush();
}
# Same with these
@@ -632,45 +735,54 @@ abstract class Maintenance {
}
# If these were passed, use them
- if( $this->mDbUser )
+ if ( $this->mDbUser ) {
$wgDBadminuser = $this->mDbUser;
- if( $this->mDbPass )
+ }
+ if ( $this->mDbPass ) {
$wgDBadminpassword = $this->mDbPass;
+ }
if ( $this->getDbType() == self::DB_ADMIN && isset( $wgDBadminuser ) ) {
$wgDBuser = $wgDBadminuser;
$wgDBpassword = $wgDBadminpassword;
- if( $wgDBservers ) {
+ if ( $wgDBservers ) {
foreach ( $wgDBservers as $i => $server ) {
$wgDBservers[$i]['user'] = $wgDBuser;
$wgDBservers[$i]['password'] = $wgDBpassword;
}
}
- if( isset( $wgLBFactoryConf['serverTemplate'] ) ) {
+ if ( isset( $wgLBFactoryConf['serverTemplate'] ) ) {
$wgLBFactoryConf['serverTemplate']['user'] = $wgDBuser;
$wgLBFactoryConf['serverTemplate']['password'] = $wgDBpassword;
}
+ LBFactory::destroyInstance();
}
- if ( defined( 'MW_CMDLINE_CALLBACK' ) ) {
- $fn = MW_CMDLINE_CALLBACK;
- $fn();
- }
+ $this->afterFinalSetup();
$wgShowSQLErrors = true;
@set_time_limit( 0 );
- ini_set( 'memory_limit', $this->memoryLimit() );
+ $this->adjustMemoryLimit();
$wgProfiling = false; // only for Profiler.php mode; avoids OOM errors
}
/**
+ * Execute a callback function at the end of initialisation
+ */
+ protected function afterFinalSetup() {
+ if ( defined( 'MW_CMDLINE_CALLBACK' ) ) {
+ call_user_func( MW_CMDLINE_CALLBACK );
+ }
+ }
+
+ /**
* Potentially debug globals. Originally a feature only
* for refreshLinks
*/
public function globals() {
- if( $this->hasOption( 'globals' ) ) {
+ if ( $this->hasOption( 'globals' ) ) {
print_r( $GLOBALS );
}
}
@@ -711,13 +823,12 @@ abstract class Maintenance {
# 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 ) {
+ # if ( posix_geteuid() == 48 ) {
$wgUseNormalUser = true;
}
putenv( 'wikilang=' . $lang );
- $DP = $IP;
ini_set( 'include_path', ".:$IP:$IP/includes:$IP/languages:$IP/maintenance" );
if ( $lang == 'test' && $site == 'wikipedia' ) {
@@ -730,11 +841,13 @@ abstract class Maintenance {
* @return String
*/
public function loadSettings() {
- global $wgWikiFarm, $wgCommandLineMode, $IP, $DP;
+ global $wgWikiFarm, $wgCommandLineMode, $IP;
$wgWikiFarm = false;
if ( isset( $this->mOptions['conf'] ) ) {
$settingsFile = $this->mOptions['conf'];
+ } else if ( defined("MW_CONFIG_FILE") ) {
+ $settingsFile = MW_CONFIG_FILE;
} else {
$settingsFile = "$IP/LocalSettings.php";
}
@@ -749,19 +862,19 @@ abstract class Maintenance {
if ( !is_readable( $settingsFile ) ) {
$this->error( "A copy of your installation's LocalSettings.php\n" .
- "must exist and be readable in the source directory.", true );
+ "must exist and be readable in the source directory.\n" .
+ "Use --conf to specify it." , true );
}
$wgCommandLineMode = true;
- $DP = $IP;
return $settingsFile;
}
/**
* Support function for cleaning up redundant text records
- * @param $delete boolean Whether or not to actually delete the records
+ * @param $delete Boolean: whether or not to actually delete the records
* @author Rob Church <robchur@gmail.com>
*/
- protected function purgeRedundantText( $delete = true ) {
+ public function purgeRedundantText( $delete = true ) {
# Data should come off the master, wrapped in a transaction
$dbw = wfGetDB( DB_MASTER );
$dbw->begin();
@@ -771,27 +884,27 @@ abstract class Maintenance {
$tbl_txt = $dbw->tableName( 'text' );
# Get "active" text records from the revisions table
- $this->output( "Searching for active text records in revisions table..." );
+ $this->output( 'Searching for active text records in revisions table...' );
$res = $dbw->query( "SELECT DISTINCT rev_text_id FROM $tbl_rev" );
- foreach( $res as $row ) {
+ foreach ( $res as $row ) {
$cur[] = $row->rev_text_id;
}
$this->output( "done.\n" );
# Get "active" text records from the archive table
- $this->output( "Searching for active text records in archive table..." );
+ $this->output( 'Searching for active text records in archive table...' );
$res = $dbw->query( "SELECT DISTINCT ar_text_id FROM $tbl_arc" );
- foreach( $res as $row ) {
+ foreach ( $res as $row ) {
$cur[] = $row->ar_text_id;
}
$this->output( "done.\n" );
# Get the IDs of all text records not in these sets
- $this->output( "Searching for inactive text records..." );
+ $this->output( 'Searching for inactive text records...' );
$set = implode( ', ', $cur );
$res = $dbw->query( "SELECT old_id FROM $tbl_txt WHERE old_id NOT IN ( $set )" );
$old = array();
- foreach( $res as $row ) {
+ foreach ( $res as $row ) {
$old[] = $row->old_id;
}
$this->output( "done.\n" );
@@ -801,8 +914,8 @@ abstract class Maintenance {
$this->output( "$count inactive items found.\n" );
# Delete as appropriate
- if( $delete && $count ) {
- $this->output( "Deleting..." );
+ if ( $delete && $count ) {
+ $this->output( 'Deleting...' );
$set = implode( ', ', $old );
$dbw->query( "DELETE FROM $tbl_txt WHERE old_id IN ( $set )" );
$this->output( "done.\n" );
@@ -823,7 +936,7 @@ abstract class Maintenance {
* Get the list of available maintenance scripts. Note
* that if you call this _before_ calling doMaintenance
* you won't have any extensions in it yet
- * @return array
+ * @return Array
*/
public static function getMaintenanceScripts() {
global $wgMaintenanceScripts;
@@ -835,8 +948,7 @@ abstract class Maintenance {
* @return array
*/
protected static function getCoreScripts() {
- if( !self::$mCoreScripts ) {
- self::disableSetup();
+ if ( !self::$mCoreScripts ) {
$paths = array(
dirname( __FILE__ ),
dirname( __FILE__ ) . '/gearman',
@@ -844,19 +956,20 @@ abstract class Maintenance {
dirname( __FILE__ ) . '/storage',
);
self::$mCoreScripts = array();
- foreach( $paths as $p ) {
+ foreach ( $paths as $p ) {
$handle = opendir( $p );
- while( ( $file = readdir( $handle ) ) !== false ) {
- if( $file == 'Maintenance.php' )
+ while ( ( $file = readdir( $handle ) ) !== false ) {
+ if ( $file == 'Maintenance.php' ) {
continue;
+ }
$file = $p . '/' . $file;
- if( is_dir( $file ) || !strpos( $file, '.php' ) ||
+ if ( is_dir( $file ) || !strpos( $file, '.php' ) ||
( strpos( file_get_contents( $file ), '$maintClass' ) === false ) ) {
continue;
}
require( $file );
$vars = get_defined_vars();
- if( array_key_exists( 'maintClass', $vars ) ) {
+ if ( array_key_exists( 'maintClass', $vars ) ) {
self::$mCoreScripts[$vars['maintClass']] = $file;
}
}
@@ -865,4 +978,167 @@ abstract class Maintenance {
}
return self::$mCoreScripts;
}
+
+ /**
+ * Lock the search index
+ * @param &$db Database object
+ */
+ private function lockSearchindex( &$db ) {
+ $write = array( 'searchindex' );
+ $read = array( 'page', 'revision', 'text', 'interwiki', 'l10n_cache' );
+ $db->lockTables( $read, $write, __CLASS__ . '::' . __METHOD__ );
+ }
+
+ /**
+ * Unlock the tables
+ * @param &$db Database object
+ */
+ private function unlockSearchindex( &$db ) {
+ $db->unlockTables( __CLASS__ . '::' . __METHOD__ );
+ }
+
+ /**
+ * Unlock and lock again
+ * Since the lock is low-priority, queued reads will be able to complete
+ * @param &$db Database object
+ */
+ private function relockSearchindex( &$db ) {
+ $this->unlockSearchindex( $db );
+ $this->lockSearchindex( $db );
+ }
+
+ /**
+ * Perform a search index update with locking
+ * @param $maxLockTime Integer: the maximum time to keep the search index locked.
+ * @param $callback callback String: the function that will update the function.
+ * @param $dbw Database object
+ * @param $results
+ */
+ public function updateSearchIndex( $maxLockTime, $callback, $dbw, $results ) {
+ $lockTime = time();
+
+ # Lock searchindex
+ if ( $maxLockTime ) {
+ $this->output( " --- Waiting for lock ---" );
+ $this->lockSearchindex( $dbw );
+ $lockTime = time();
+ $this->output( "\n" );
+ }
+
+ # Loop through the results and do a search update
+ foreach ( $results as $row ) {
+ # Allow reads to be processed
+ if ( $maxLockTime && time() > $lockTime + $maxLockTime ) {
+ $this->output( " --- Relocking ---" );
+ $this->relockSearchindex( $dbw );
+ $lockTime = time();
+ $this->output( "\n" );
+ }
+ call_user_func( $callback, $dbw, $row );
+ }
+
+ # Unlock searchindex
+ if ( $maxLockTime ) {
+ $this->output( " --- Unlocking --" );
+ $this->unlockSearchindex( $dbw );
+ $this->output( "\n" );
+ }
+
+ }
+
+ /**
+ * Update the searchindex table for a given pageid
+ * @param $dbw Database: a database write handle
+ * @param $pageId Integer: the page ID to update.
+ */
+ public function updateSearchIndexForPage( $dbw, $pageId ) {
+ // Get current revision
+ $rev = Revision::loadFromPageId( $dbw, $pageId );
+ $title = null;
+ if ( $rev ) {
+ $titleObj = $rev->getTitle();
+ $title = $titleObj->getPrefixedDBkey();
+ $this->output( "$title..." );
+ # Update searchindex
+ $u = new SearchUpdate( $pageId, $titleObj->getText(), $rev->getText() );
+ $u->doUpdate();
+ $this->output( "\n" );
+ }
+ return $title;
+ }
+
+ /**
+ * Prompt the console for input
+ * @param $prompt String what to begin the line with, like '> '
+ * @return String response
+ */
+ public static function readconsole( $prompt = '> ' ) {
+ static $isatty = null;
+ if ( is_null( $isatty ) ) {
+ if ( posix_isatty( 0 /*STDIN*/ ) ) {
+ $isatty = true;
+ } else {
+ $isatty = false;
+ }
+ }
+
+ if ( $isatty && function_exists( 'readline' ) ) {
+ return readline( $prompt );
+ } else {
+ if ( $isatty ) {
+ $st = self::readlineEmulation( $prompt );
+ } else {
+ if ( feof( STDIN ) ) {
+ $st = false;
+ } else {
+ $st = fgets( STDIN, 1024 );
+ }
+ }
+ if ( $st === false ) return false;
+ $resp = trim( $st );
+ return $resp;
+ }
+ }
+
+ /**
+ * Emulate readline()
+ * @param $prompt String what to begin the line with, like '> '
+ * @return String
+ */
+ private static function readlineEmulation( $prompt ) {
+ $bash = Installer::locateExecutableInDefaultPaths( array( 'bash' ) );
+ if ( !wfIsWindows() && $bash ) {
+ $retval = false;
+ $encPrompt = wfEscapeShellArg( $prompt );
+ $command = "read -er -p $encPrompt && echo \"\$REPLY\"";
+ $encCommand = wfEscapeShellArg( $command );
+ $line = wfShellExec( "$bash -c $encCommand", $retval );
+
+ if ( $retval == 0 ) {
+ return $line;
+ } elseif ( $retval == 127 ) {
+ // Couldn't execute bash even though we thought we saw it.
+ // Shell probably spit out an error message, sorry :(
+ // Fall through to fgets()...
+ } else {
+ // EOF/ctrl+D
+ return false;
+ }
+ }
+
+ // Fallback... we'll have no editing controls, EWWW
+ if ( feof( STDIN ) ) {
+ return false;
+ }
+ print $prompt;
+ return fgets( STDIN, 1024 );
+ }
}
+
+class FakeMaintenance extends Maintenance {
+ protected $mSelf = "FakeMaintenanceScript";
+ public function execute() {
+ return;
+ }
+}
+