124 lines
4.3 KiB
PHP
124 lines
4.3 KiB
PHP
<?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\Command;
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use Composer\Autoload\AutoloadGenerator;
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use Composer\DependencyResolver;
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use Composer\DependencyResolver\Pool;
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use Composer\DependencyResolver\Request;
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use Composer\DependencyResolver\Operation;
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use Composer\Package\LinkConstraint\VersionConstraint;
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use Composer\Repository\PlatformRepository;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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/**
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* @author Jordi Boggiano <j.boggiano@seld.be>
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* @author Ryan Weaver <ryan@knplabs.com>
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* @author Konstantin Kudryashov <ever.zet@gmail.com>
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*/
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class InstallCommand extends Command
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{
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protected function configure()
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{
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$this
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->setName('install')
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->setDescription('Parses the composer.json file and downloads the needed dependencies.')
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->setHelp(<<<EOT
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The <info>install</info> command reads the composer.json file from the
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current directory, processes it, and downloads and installs all the
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libraries and dependencies outlined in that file.
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<info>php composer install</info>
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EOT
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)
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;
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}
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$composer = $this->getComposer();
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// create installed repo
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$localRepo = $composer->getRepositoryManager()->getLocalRepository();
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$installedRepo = new PlatformRepository($localRepo);
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// creating repository pool
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$pool = new Pool;
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$pool->addRepository($installedRepo);
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foreach ($composer->getRepositoryManager()->getRepositories() as $repository) {
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$pool->addRepository($repository);
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}
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// creating requirements request
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$request = new Request($pool);
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if ($composer->getLocker()->isLocked()) {
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$output->writeln('> Found lockfile. Reading.');
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foreach ($composer->getLocker()->getLockedPackages() as $package) {
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$constraint = new VersionConstraint('=', $package->getVersion());
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$request->install($package->getName(), $constraint);
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}
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} else {
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foreach ($composer->getPackage()->getRequires() 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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// check for missing deps
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// TODO this belongs in the solver, but this will do for now to report top-level deps missing at least
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foreach ($request->getJobs() as $job) {
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if ('install' === $job['cmd']) {
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foreach ($localRepo->getPackages() as $package) {
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if ($job['packageName'] === $package->getName()) {
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continue 2;
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}
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}
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foreach ($operations as $operation) {
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if ('install' === $operation->getJobType() && $job['packageName'] === $operation->getPackage()->getName()) {
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continue 2;
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}
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}
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throw new \UnexpectedValueException('Package '.$job['packageName'].' could not be resolved to an installable package.');
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}
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}
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// execute operations
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foreach ($operations as $operation) {
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$installationManager->execute($operation);
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}
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if (!$composer->getLocker()->isLocked()) {
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$composer->getLocker()->lockPackages($localRepo->getPackages());
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$output->writeln('> Locked');
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}
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$localRepo->write();
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$output->writeln('> Generating autoload.php');
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$generator = new AutoloadGenerator($localRepo, $composer->getPackage(), $installationManager);
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$generator->dump('.composer/autoload.php');
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$output->writeln('> Done');
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}
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}
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