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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\Downloader;
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use Composer\Package\PackageInterface;
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use Composer\Util\Platform;
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use Symfony\Component\Filesystem\Exception\IOException;
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use Symfony\Component\Filesystem\Filesystem;
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/**
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* Download a package from a local path.
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*
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* @author Samuel Roze <samuel.roze@gmail.com>
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* @author Johann Reinke <johann.reinke@gmail.com>
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*/
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class PathDownloader extends FileDownloader
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{
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/**
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* {@inheritdoc}
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*/
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public function download(PackageInterface $package, $path)
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{
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$url = $package->getDistUrl();
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$realUrl = realpath($url);
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if (false === $realUrl || !file_exists($realUrl) || !is_dir($realUrl)) {
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throw new \RuntimeException(sprintf(
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'Source path "%s" is not found for package %s', $url, $package->getName()
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));
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}
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if (strpos(realpath($path) . DIRECTORY_SEPARATOR, $realUrl . DIRECTORY_SEPARATOR) === 0) {
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throw new \RuntimeException(sprintf(
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'Package %s cannot install to "%s" inside its source at "%s"',
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$package->getName(), realpath($path), $realUrl
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));
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}
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$fileSystem = new Filesystem();
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$this->filesystem->removeDirectory($path);
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$this->io->writeError(sprintf(
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' - Installing <info>%s</info> (<comment>%s</comment>)',
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$package->getName(),
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$package->getFullPrettyVersion()
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));
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try {
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if (Platform::isWindows()) {
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// Implement symlinks as NTFS junctions on Windows
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$this->filesystem->junction($realUrl, $path);
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$this->io->writeError(sprintf(' Junctioned from %s', $url));
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} else {
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$shortestPath = $this->filesystem->findShortestPath($path, $realUrl);
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$fileSystem->symlink($shortestPath, $path);
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$this->io->writeError(sprintf(' Symlinked from %s', $url));
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}
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} catch (IOException $e) {
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$fileSystem->mirror($realUrl, $path);
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$this->io->writeError(sprintf(' Mirrored from %s', $url));
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}
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$this->io->writeError('');
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}
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}
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