Moving install related code to Composer\Install
Beau Simensen
12 years ago
parent
3aabb4784c
commit
d1dea702c9
@ -0,0 +1,252 @@
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer;
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use Composer\Autoload\AutoloadGenerator;
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use Composer\DependencyResolver\DefaultPolicy;
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use Composer\DependencyResolver\Operation\UpdateOperation;
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use Composer\DependencyResolver\Pool;
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use Composer\DependencyResolver\Request;
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use Composer\DependencyResolver\Solver;
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use Composer\IO\IOInterface;
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use Composer\Package\AliasPackage;
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use Composer\Package\Link;
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use Composer\Package\LinkConstraint\VersionConstraint;
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use Composer\Package\PackageInterface;
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use Composer\Repository\CompositeRepository;
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use Composer\Repository\PlatformRepository;
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use Composer\Repository\RepositoryInterface;
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use Composer\Script\EventDispatcher;
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use Composer\Script\ScriptEvents;
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class Install
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{
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/**
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* Run installation (or update)
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*
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* @param IOInterface $io
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* @param Composer $composer
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* @param EventDispatcher $eventDispatcher
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* @param bool $preferSource
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* @param bool $dryRun
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* @param bool $verbose
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* @param bool $noInstallRecommends
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* @param bool $installSuggests
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* @param bool $update
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* @param RepositoryInterface $additionalInstalledRepository
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*/
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public function run(IOInterface $io, Composer $composer, EventDispatcher $eventDispatcher, $preferSource = false, $dryRun = false, $verbose = false, $noInstallRecommends = false, $installSuggests = false, $update = false, RepositoryInterface $additionalInstalledRepository = null)
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{
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if ($dryRun) {
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$verbose = true;
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}
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if ($preferSource) {
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$composer->getDownloadManager()->setPreferSource(true);
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}
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$repoManager = $composer->getRepositoryManager();
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// create local repo, this contains all packages that are installed in the local project
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$localRepo = $repoManager->getLocalRepository();
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// create installed repo, this contains all local packages + platform packages (php & extensions)
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$installedRepo = new CompositeRepository(array($localRepo, new PlatformRepository()));
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if ($additionalInstalledRepository) {
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$installedRepo->addRepository($additionalInstalledRepository);
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}
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// prepare aliased packages
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if (!$update && $composer->getLocker()->isLocked()) {
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$aliases = $composer->getLocker()->getAliases();
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} else {
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$aliases = $composer->getPackage()->getAliases();
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}
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foreach ($aliases as $alias) {
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foreach ($repoManager->findPackages($alias['package'], $alias['version']) as $package) {
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$package->getRepository()->addPackage(new AliasPackage($package, $alias['alias_normalized'], $alias['alias']));
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}
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foreach ($repoManager->getLocalRepository()->findPackages($alias['package'], $alias['version']) as $package) {
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$repoManager->getLocalRepository()->addPackage(new AliasPackage($package, $alias['alias_normalized'], $alias['alias']));
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$repoManager->getLocalRepository()->removePackage($package);
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}
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}
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// creating repository pool
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$pool = new Pool;
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$pool->addRepository($installedRepo);
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foreach ($repoManager->getRepositories() as $repository) {
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$pool->addRepository($repository);
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}
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// dispatch pre event
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if (!$dryRun) {
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$eventName = $update ? ScriptEvents::PRE_UPDATE_CMD : ScriptEvents::PRE_INSTALL_CMD;
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$eventDispatcher->dispatchCommandEvent($eventName);
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}
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// creating requirements request
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$installFromLock = false;
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$request = new Request($pool);
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if ($update) {
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$io->write('<info>Updating dependencies</info>');
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$request->updateAll();
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$links = $this->collectLinks($composer->getPackage(), $noInstallRecommends, $installSuggests);
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foreach ($links as $link) {
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$request->install($link->getTarget(), $link->getConstraint());
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}
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} elseif ($composer->getLocker()->isLocked()) {
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$installFromLock = true;
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$io->write('<info>Installing from lock file</info>');
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if (!$composer->getLocker()->isFresh()) {
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$io->write('<warning>Your lock file is out of sync with your composer.json, run "composer.phar update" to update dependencies</warning>');
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}
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foreach ($composer->getLocker()->getLockedPackages() as $package) {
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$version = $package->getVersion();
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foreach ($aliases as $alias) {
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if ($alias['package'] === $package->getName() && $alias['version'] === $package->getVersion()) {
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$version = $alias['alias'];
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break;
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}
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}
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$constraint = new VersionConstraint('=', $version);
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$request->install($package->getName(), $constraint);
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}
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} else {
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$io->write('<info>Installing dependencies</info>');
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$links = $this->collectLinks($composer->getPackage(), $noInstallRecommends, $installSuggests);
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foreach ($links as $link) {
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$request->install($link->getTarget(), $link->getConstraint());
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}
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}
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// prepare solver
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$installationManager = $composer->getInstallationManager();
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$policy = new DependencyResolver\DefaultPolicy();
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$solver = new DependencyResolver\Solver($policy, $pool, $installedRepo);
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// solve dependencies
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$operations = $solver->solve($request);
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// force dev packages to be updated to latest reference on update
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if ($update) {
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foreach ($localRepo->getPackages() as $package) {
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if ($package instanceof AliasPackage) {
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$package = $package->getAliasOf();
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}
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// skip non-dev packages
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if (!$package->isDev()) {
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continue;
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}
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// skip packages that will be updated/uninstalled
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foreach ($operations as $operation) {
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if (('update' === $operation->getJobType() && $package === $operation->getInitialPackage())
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|| ('uninstall' === $operation->getJobType() && $package === $operation->getPackage())
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) {
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continue 2;
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}
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}
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// force update
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$newPackage = $repoManager->findPackage($package->getName(), $package->getVersion());
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if ($newPackage && $newPackage->getSourceReference() !== $package->getSourceReference()) {
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$operations[] = new UpdateOperation($package, $newPackage);
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}
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}
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}
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// anti-alias local repository to allow updates to work fine
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foreach ($repoManager->getLocalRepository()->getPackages() as $package) {
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if ($package instanceof AliasPackage) {
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$repoManager->getLocalRepository()->addPackage(clone $package->getAliasOf());
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$repoManager->getLocalRepository()->removePackage($package);
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}
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}
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// execute operations
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if (!$operations) {
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$io->write('<info>Nothing to install/update</info>');
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}
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foreach ($operations as $operation) {
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if ($verbose) {
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$io->write((string) $operation);
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}
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if (!$dryRun) {
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$eventDispatcher->dispatchPackageEvent(constant('Composer\Script\ScriptEvents::PRE_PACKAGE_'.strtoupper($operation->getJobType())), $operation);
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// if installing from lock, restore dev packages' references to their locked state
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if ($installFromLock) {
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$package = null;
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if ('update' === $operation->getJobType()) {
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$package = $operation->getTargetPackage();
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} elseif ('install' === $operation->getJobType()) {
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$package = $operation->getPackage();
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}
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if ($package && $package->isDev()) {
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$lockData = $composer->getLocker()->getLockData();
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foreach ($lockData['packages'] as $lockedPackage) {
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if (!empty($lockedPackage['source-reference']) && strtolower($lockedPackage['package']) === $package->getName()) {
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$package->setSourceReference($lockedPackage['source-reference']);
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break;
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}
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}
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}
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}
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$installationManager->execute($operation);
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$eventDispatcher->dispatchPackageEvent(constant('Composer\Script\ScriptEvents::POST_PACKAGE_'.strtoupper($operation->getJobType())), $operation);
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}
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}
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if (!$dryRun) {
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if ($update || !$composer->getLocker()->isLocked()) {
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$composer->getLocker()->setLockData($localRepo->getPackages(), $aliases);
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$io->write('<info>Writing lock file</info>');
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}
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$localRepo->write();
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$io->write('<info>Generating autoload files</info>');
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$generator = new AutoloadGenerator;
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$generator->dump($localRepo, $composer->getPackage(), $installationManager, $installationManager->getVendorPath().'/.composer');
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// dispatch post event
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$eventName = $update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;
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$eventDispatcher->dispatchCommandEvent($eventName);
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}
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}
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private function collectLinks(PackageInterface $package, $noInstallRecommends, $installSuggests)
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{
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$links = $package->getRequires();
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if (!$noInstallRecommends) {
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$links = array_merge($links, $package->getRecommends());
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}
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if ($installSuggests) {
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$links = array_merge($links, $package->getSuggests());
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}
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return $links;
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}
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}
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