caore d8 files
This commit is contained in:
Bachir Soussi Chiadmi
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<?php
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/**
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* This file is part of the Composer Merge plugin.
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*
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* Copyright (C) 2015 Bryan Davis, Wikimedia Foundation, and contributors
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*
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* This software may be modified and distributed under the terms of the MIT
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* license. See the LICENSE file for details.
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*/
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namespace Wikimedia\Composer;
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use Wikimedia\Composer\Merge\ExtraPackage;
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use Wikimedia\Composer\Merge\MissingFileException;
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use Wikimedia\Composer\Merge\PluginState;
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use Composer\Composer;
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use Composer\DependencyResolver\Operation\InstallOperation;
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use Composer\EventDispatcher\EventSubscriberInterface;
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use Composer\Factory;
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use Composer\Installer;
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use Composer\Installer\InstallerEvent;
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use Composer\Installer\InstallerEvents;
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use Composer\Installer\PackageEvent;
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use Composer\Installer\PackageEvents;
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use Composer\IO\IOInterface;
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use Composer\Package\RootPackageInterface;
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use Composer\Plugin\PluginInterface;
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use Composer\Script\Event;
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use Composer\Script\ScriptEvents;
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/**
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* Composer plugin that allows merging multiple composer.json files.
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*
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* When installed, this plugin will look for a "merge-plugin" key in the
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* composer configuration's "extra" section. The value for this key is
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* a set of options configuring the plugin.
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*
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* An "include" setting is required. The value of this setting can be either
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* a single value or an array of values. Each value is treated as a glob()
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* pattern identifying additional composer.json style configuration files to
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* merge into the configuration for the current compser execution.
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*
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* The "autoload", "autoload-dev", "conflict", "provide", "replace",
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* "repositories", "require", "require-dev", and "suggest" sections of the
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* found configuration files will be merged into the root package
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* configuration as though they were directly included in the top-level
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* composer.json file.
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*
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* If included files specify conflicting package versions for "require" or
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* "require-dev", the normal Composer dependency solver process will be used
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* to attempt to resolve the conflict. Specifying the 'replace' key as true will
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* change this default behaviour so that the last-defined version of a package
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* will win, allowing for force-overrides of package defines.
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*
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* By default the "extra" section is not merged. This can be enabled by
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* setitng the 'merge-extra' key to true. In normal mode, when the same key is
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* found in both the original and the imported extra section, the version in
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* the original config is used and the imported version is skipped. If
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* 'replace' mode is active, this behaviour changes so the imported version of
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* the key is used, replacing the version in the original config.
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*
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*
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* @code
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* {
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* "require": {
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* "wikimedia/composer-merge-plugin": "dev-master"
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* },
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* "extra": {
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* "merge-plugin": {
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* "include": [
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* "composer.local.json"
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* ]
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* }
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* }
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* }
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* @endcode
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*
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* @author Bryan Davis <bd808@bd808.com>
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*/
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class MergePlugin implements PluginInterface, EventSubscriberInterface
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{
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/**
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* Offical package name
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*/
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const PACKAGE_NAME = 'wikimedia/composer-merge-plugin';
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/**
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* @var Composer $composer
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*/
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protected $composer;
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/**
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* @var PluginState $state
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*/
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protected $state;
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/**
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* @var Logger $logger
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*/
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protected $logger;
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/**
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* Files that have already been processed
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*
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* @var string[] $loadedFiles
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*/
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protected $loadedFiles = array();
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/**
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* {@inheritdoc}
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*/
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public function activate(Composer $composer, IOInterface $io)
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{
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$this->composer = $composer;
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$this->state = new PluginState($this->composer);
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$this->logger = new Logger('merge-plugin', $io);
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}
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/**
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* {@inheritdoc}
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*/
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public static function getSubscribedEvents()
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{
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return array(
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InstallerEvents::PRE_DEPENDENCIES_SOLVING => 'onDependencySolve',
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PackageEvents::POST_PACKAGE_INSTALL => 'onPostPackageInstall',
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ScriptEvents::POST_INSTALL_CMD => 'onPostInstallOrUpdate',
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ScriptEvents::POST_UPDATE_CMD => 'onPostInstallOrUpdate',
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ScriptEvents::PRE_AUTOLOAD_DUMP => 'onInstallUpdateOrDump',
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ScriptEvents::PRE_INSTALL_CMD => 'onInstallUpdateOrDump',
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ScriptEvents::PRE_UPDATE_CMD => 'onInstallUpdateOrDump',
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);
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}
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/**
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* Handle an event callback for an install, update or dump command by
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* checking for "merge-plugin" in the "extra" data and merging package
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* contents if found.
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*
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* @param Event $event
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*/
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public function onInstallUpdateOrDump(Event $event)
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{
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$this->state->loadSettings();
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$this->state->setDevMode($event->isDevMode());
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$this->mergeFiles($this->state->getIncludes(), false);
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$this->mergeFiles($this->state->getRequires(), true);
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if ($event->getName() === ScriptEvents::PRE_AUTOLOAD_DUMP) {
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$this->state->setDumpAutoloader(true);
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$flags = $event->getFlags();
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if (isset($flags['optimize'])) {
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$this->state->setOptimizeAutoloader($flags['optimize']);
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}
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}
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}
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/**
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* Find configuration files matching the configured glob patterns and
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* merge their contents with the master package.
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*
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* @param array $patterns List of files/glob patterns
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* @param bool $required Are the patterns required to match files?
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* @throws MissingFileException when required and a pattern returns no
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* results
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*/
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protected function mergeFiles(array $patterns, $required = false)
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{
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$root = $this->composer->getPackage();
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$files = array_map(
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function ($files, $pattern) use ($required) {
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if ($required && !$files) {
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throw new MissingFileException(
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"merge-plugin: No files matched required '{$pattern}'"
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);
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}
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return $files;
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},
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array_map('glob', $patterns),
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$patterns
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);
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foreach (array_reduce($files, 'array_merge', array()) as $path) {
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$this->mergeFile($root, $path);
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}
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}
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/**
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* Read a JSON file and merge its contents
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*
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* @param RootPackageInterface $root
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* @param string $path
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*/
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protected function mergeFile(RootPackageInterface $root, $path)
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{
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if (isset($this->loadedFiles[$path])) {
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$this->logger->debug("Already merged <comment>$path</comment>");
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return;
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} else {
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$this->loadedFiles[$path] = true;
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}
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$this->logger->info("Loading <comment>{$path}</comment>...");
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$package = new ExtraPackage($path, $this->composer, $this->logger);
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$package->mergeInto($root, $this->state);
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if ($this->state->recurseIncludes()) {
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$this->mergeFiles($package->getIncludes(), false);
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$this->mergeFiles($package->getRequires(), true);
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}
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}
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/**
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* Handle an event callback for pre-dependency solving phase of an install
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* or update by adding any duplicate package dependencies found during
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* initial merge processing to the request that will be processed by the
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* dependency solver.
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*
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* @param InstallerEvent $event
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*/
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public function onDependencySolve(InstallerEvent $event)
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{
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$request = $event->getRequest();
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foreach ($this->state->getDuplicateLinks('require') as $link) {
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$this->logger->info(
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"Adding dependency <comment>{$link}</comment>"
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);
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$request->install($link->getTarget(), $link->getConstraint());
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}
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if ($this->state->isDevMode()) {
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foreach ($this->state->getDuplicateLinks('require-dev') as $link) {
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$this->logger->info(
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"Adding dev dependency <comment>{$link}</comment>"
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);
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$request->install($link->getTarget(), $link->getConstraint());
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}
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}
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}
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/**
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* Handle an event callback following installation of a new package by
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* checking to see if the package that was installed was our plugin.
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*
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* @param PackageEvent $event
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*/
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public function onPostPackageInstall(PackageEvent $event)
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{
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$op = $event->getOperation();
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if ($op instanceof InstallOperation) {
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$package = $op->getPackage()->getName();
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if ($package === self::PACKAGE_NAME) {
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$this->logger->info('composer-merge-plugin installed');
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$this->state->setFirstInstall(true);
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$this->state->setLocked(
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$event->getComposer()->getLocker()->isLocked()
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);
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}
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}
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}
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/**
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* Handle an event callback following an install or update command. If our
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* plugin was installed during the run then trigger an update command to
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* process any merge-patterns in the current config.
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*
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* @param Event $event
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*/
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public function onPostInstallOrUpdate(Event $event)
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{
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// @codeCoverageIgnoreStart
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if ($this->state->isFirstInstall()) {
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$this->state->setFirstInstall(false);
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$this->logger->info(
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'<comment>' .
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'Running additional update to apply merge settings' .
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'</comment>'
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);
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$config = $this->composer->getConfig();
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$preferSource = $config->get('preferred-install') == 'source';
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$preferDist = $config->get('preferred-install') == 'dist';
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$installer = Installer::create(
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$event->getIO(),
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// Create a new Composer instance to ensure full processing of
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// the merged files.
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Factory::create($event->getIO(), null, false)
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);
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$installer->setPreferSource($preferSource);
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$installer->setPreferDist($preferDist);
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$installer->setDevMode($event->isDevMode());
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$installer->setDumpAutoloader($this->state->shouldDumpAutoloader());
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$installer->setOptimizeAutoloader(
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$this->state->shouldOptimizeAutoloader()
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);
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if ($this->state->forceUpdate()) {
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// Force update mode so that new packages are processed rather
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// than just telling the user that composer.json and
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// composer.lock don't match.
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$installer->setUpdate(true);
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}
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$installer->run();
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}
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// @codeCoverageIgnoreEnd
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}
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}
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// vim:sw=4:ts=4:sts=4:et:
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