204 lines
6.3 KiB
PHP
204 lines
6.3 KiB
PHP
<?php
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/**
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* (C) 2019 Kunal Mehta <legoktm@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Checks dependencies for extensions, mostly without loading them
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*
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* @since 1.34
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*/
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class CheckDependencies extends Maintenance {
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private $checkDev;
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Check dependencies for extensions' );
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$this->addOption( 'extensions', 'Comma separated list of extensions to check', false, true );
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$this->addOption( 'skins', 'Comma separated list of skins to check', false, true );
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$this->addOption( 'json', 'Output in JSON' );
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$this->addOption( 'dev', 'Check development dependencies too' );
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}
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public function execute() {
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$this->checkDev = $this->hasOption( 'dev' );
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$extensions = $this->hasOption( 'extensions' )
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? explode( ',', $this->getOption( 'extensions' ) )
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: [];
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$skins = $this->hasOption( 'skins' )
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? explode( ',', $this->getOption( 'skins' ) )
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: [];
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$dependencies = [];
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// Note that we can only use the main registry if we are
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// not checking development dependencies.
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$registry = ExtensionRegistry::getInstance();
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foreach ( $extensions as $extension ) {
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if ( !$this->checkDev && $registry->isLoaded( $extension ) ) {
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// If it's already loaded, we know all the dependencies resolved.
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$this->addToDependencies( $dependencies, [ $extension ], [] );
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continue;
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}
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$this->loadThing( $dependencies, $extension, [ $extension ], [] );
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}
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foreach ( $skins as $skin ) {
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if ( !$this->checkDev && $registry->isLoaded( $skin ) ) {
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// If it's already loaded, we know all the dependencies resolved.
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$this->addToDependencies( $dependencies, [], [ $skin ] );
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continue;
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}
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$this->loadThing( $dependencies, $skin, [], [ $skin ] );
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}
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if ( $this->hasOption( 'json' ) ) {
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$this->output( json_encode( $dependencies ) . "\n" );
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} else {
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$this->output( $this->formatForHumans( $dependencies ) . "\n" );
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}
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}
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private function loadThing( &$dependencies, $name, $extensions, $skins ) {
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$extDir = $this->getConfig()->get( 'ExtensionDirectory' );
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$styleDir = $this->getConfig()->get( 'StyleDirectory' );
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$queue = [];
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$missing = false;
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foreach ( $extensions as $extension ) {
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$path = "$extDir/$extension/extension.json";
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if ( file_exists( $path ) ) {
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// 1 is ignored
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$queue[$path] = 1;
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$this->addToDependencies( $dependencies, [ $extension ], [], $name );
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} else {
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$missing = true;
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$this->addToDependencies( $dependencies, [ $extension ], [], $name, 'missing' );
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}
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}
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foreach ( $skins as $skin ) {
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$path = "$styleDir/$skin/skin.json";
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if ( file_exists( $path ) ) {
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$queue[$path] = 1;
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$this->addToDependencies( $dependencies, [], [ $skin ], $name );
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} else {
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$missing = true;
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$this->addToDependencies( $dependencies, [], [ $skin ], $name, 'missing' );
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}
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}
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if ( $missing ) {
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// Stuff is missing, give up
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return;
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}
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$registry = new ExtensionRegistry();
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$registry->setCheckDevRequires( $this->checkDev );
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try {
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$registry->readFromQueue( $queue );
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} catch ( ExtensionDependencyError $e ) {
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$reason = false;
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if ( $e->incompatibleCore ) {
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$reason = 'incompatible-core';
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} elseif ( $e->incompatibleSkins ) {
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$reason = 'incompatible-skins';
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} elseif ( $e->incompatibleExtensions ) {
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$reason = 'incompatible-extensions';
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} elseif ( $e->missingExtensions || $e->missingSkins ) {
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// There's an extension missing in the dependency tree,
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// so add those to the dependency list and try again
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return $this->loadThing(
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$dependencies,
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$name,
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array_merge( $extensions, $e->missingExtensions ),
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array_merge( $skins, $e->missingSkins )
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);
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} else {
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// missing-phpExtension
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// missing-ability
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// XXX: ???
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$this->fatalError( $e->getMessage() );
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}
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$this->addToDependencies( $dependencies, $extensions, $skins, $name, $reason, $e->getMessage() );
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}
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$this->addToDependencies( $dependencies, $extensions, $skins, $name );
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}
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private function addToDependencies( &$dependencies, $extensions, $skins,
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$why = null, $status = null, $message = null
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) {
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$mainRegistry = ExtensionRegistry::getInstance();
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$iter = [ 'extensions' => $extensions, 'skins' => $skins ];
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foreach ( $iter as $type => $things ) {
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foreach ( $things as $thing ) {
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$preStatus = $dependencies[$type][$thing]['status'] ?? false;
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if ( $preStatus !== 'loaded' ) {
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// OK to overwrite
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if ( $status ) {
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$tStatus = $status;
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} else {
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$tStatus = $mainRegistry->isLoaded( $thing ) ? 'loaded' : 'present';
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}
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$dependencies[$type][$thing]['status'] = $tStatus;
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}
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if ( $why !== null ) {
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$dependencies[$type][$thing]['why'][] = $why;
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// XXX: this is a bit messy
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$dependencies[$type][$thing]['why'] = array_unique(
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$dependencies[$type][$thing]['why'] );
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}
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if ( $message !== null ) {
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$dependencies[$type][$thing]['message'] = trim( $message );
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}
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}
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}
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}
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private function formatForHumans( $dependencies ) {
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$text = '';
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foreach ( $dependencies as $type => $things ) {
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$text .= ucfirst( $type ) . "\n" . str_repeat( '=', strlen( $type ) ) . "\n";
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foreach ( $things as $thing => $info ) {
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$why = $info['why'] ?? [];
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if ( $why ) {
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$whyText = '(because: ' . implode( ',', $why ) . ') ';
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} else {
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$whyText = '';
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}
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$msg = isset( $info['message'] ) ? ", {$info['message']}" : '';
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$text .= "$thing: {$info['status']}{$msg} $whyText\n";
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}
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$text .= "\n";
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}
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return trim( $text );
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}
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}
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$maintClass = CheckDependencies::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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