<commit_before><?php

/*
 * This file is part of Composer.
 *
 * (c) <NAME> <<EMAIL>>
 *     <NAME> <<EMAIL>>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Downloader;

use Composer\Config;
use Composer\Cache;
use Composer\EventDispatcher\EventDispatcher;
use Composer\Package\PackageInterface;
use Composer\Util\IniHelper;
use Composer\Util\Platform;
use Composer\Util\ProcessExecutor;
use Composer\Util\RemoteFilesystem;
use Composer\IO\IOInterface;
use Symfony\Component\Process\ExecutableFinder;
use ZipArchive;

/**
 * @author <NAME> <<EMAIL>>
 */
class ZipDownloader extends ArchiveDownloader
{
    protected static $hasSystemUnzip;
    private static $hasZipArchive;
    private static $isWindows;

    protected $process;
    private $zipArchiveObject;

    public function __construct(IOInterface $io, Config $config, EventDispatcher $eventDispatcher = null, Cache $cache = null, ProcessExecutor $process = null, RemoteFilesystem $rfs = null)
    {
        $this->process = $process ?: new ProcessExecutor($io);
        parent::__construct($io, $config, $eventDispatcher, $cache, $rfs);
    }

    /**
     * {@inheritDoc}
     */
    public function download(PackageInterface $package, $path, $output = true)
    {
        if (null === self::$hasSystemUnzip) {
            $finder = new ExecutableFinder;
            self::$hasSystemUnzip = (bool) $finder->find('unzip');
        }

        if (null === self::$hasZipArchive) {
            self::$hasZipArchive = class_exists('ZipArchive');
        }

        if (null === self::$isWindows) {
            self::$isWindows = Platform::isWindows();
        }

        if (!self::$hasZipArchive && !self::$hasSystemUnzip) {
            // php.ini path is added to the error message to help users find the correct file
            $iniMessage = IniHelper::getMessage();
            $error = "The zip extension and unzip command are both missing, skipping.\n" . $iniMessage;

            throw new \RuntimeException($error);
        }

        return parent::download($package, $path, $output);
    }

    /**
     * extract $file to $path with "unzip" command
     *
     * @param  string $file         File to extract
     * @param  string $path         Path where to extract file
     * @param  bool   $isLastChance If true it is called as a fallback and should throw an exception
     * @return bool   Success status
     */
    protected function extractWithSystemUnzip($file, $path, $isLastChance)
    {
        if (!self::$hasZipArchive) {
            // Force Exception throwing if the Other alternative is not available
            $isLastChance = true;
        }

        if (!self::$hasSystemUnzip && !$isLastChance) {
            // This was call as the favorite extract way, but is not available
            // We switch to the alternative
            return $this->extractWithZipArchive($file, $path, true);
        }

        $processError = null;
        // When called after a ZipArchive failed, perhaps there is some files to overwrite
        $overwrite = $isLastChance ? '-o' : '';

        $command = 'unzip -qq '.$overwrite.' '.ProcessExecutor::escape($file).' -d '.ProcessExecutor::escape($path);

        try {
            if (0 === $this->process->execute($command, $ignoredOutput)) {
                return true;
            }

            $processError = new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
        } catch (\Exception $e) {
            $processError = $e;
        }

        if ($isLastChance) {
            throw $processError;
        }

        $this->io->writeError('    '.$processError->getMessage());
        $this->io->writeError('    Unzip with unzip command failed, falling back to ZipArchive class');

        return $this->extractWithZipArchive($file, $path, true);
    }

    /**
     * extract $file to $path with ZipArchive
     *
     * @param  string $file         File to extract
     * @param  string $path         Path where to extract file
     * @param  bool   $isLastChance If true it is called as a fallback and should throw an exception
     * @return bool   Success status
     */
    protected function extractWithZipArchive($file, $path, $isLastChance)
    {
        if (!self::$hasSystemUnzip) {
            // Force Exception throwing if the Other alternative is not available
            $isLastChance = true;<commit_msg>Warn identical names w/ different capitalization for unzip<commit_after><?php

/*
 * This file is part of Composer.
 *
 * (c) <NAME> <<EMAIL>>
 *     <NAME> <<EMAIL>>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Downloader;

use Composer\Config;
use Composer\Cache;
use Composer\EventDispatcher\EventDispatcher;
use Composer\Package\PackageInterface;
use Composer\Util\IniHelper;
use Composer\Util\Platform;
use Composer\Util\ProcessExecutor;
use Composer\Util\RemoteFilesystem;
use Composer\IO\IOInterface;
use Symfony\Component\Process\ExecutableFinder;
use ZipArchive;

/**
 * @author <NAME> <<EMAIL>>
 */
class ZipDownloader extends ArchiveDownloader
{
    protected static $hasSystemUnzip;
    private static $hasZipArchive;
    private static $isWindows;

    protected $process;
    private $zipArchiveObject;

    public function __construct(IOInterface $io, Config $config, EventDispatcher $eventDispatcher = null, Cache $cache = null, ProcessExecutor $process = null, RemoteFilesystem $rfs = null)
    {
        $this->process = $process ?: new ProcessExecutor($io);
        parent::__construct($io, $config, $eventDispatcher, $cache, $rfs);
    }

    /**
     * {@inheritDoc}
     */
    public function download(PackageInterface $package, $path, $output = true)
    {
        if (null === self::$hasSystemUnzip) {
            $finder = new ExecutableFinder;
            self::$hasSystemUnzip = (bool) $finder->find('unzip');
        }

        if (null === self::$hasZipArchive) {
            self::$hasZipArchive = class_exists('ZipArchive');
        }

        if (null === self::$isWindows) {
            self::$isWindows = Platform::isWindows();
        }

        if (!self::$hasZipArchive && !self::$hasSystemUnzip) {
            // php.ini path is added to the error message to help users find the correct file
            $iniMessage = IniHelper::getMessage();
            $error = "The zip extension and unzip command are both missing, skipping.\n" . $iniMessage;

            throw new \RuntimeException($error);
        }

        return parent::download($package, $path, $output);
    }

    /**
     * extract $file to $path with "unzip" command
     *
     * @param  string $file         File to extract
     * @param  string $path         Path where to extract file
     * @param  bool   $isLastChance If true it is called as a fallback and should throw an exception
     * @return bool   Success status
     */
    protected function extractWithSystemUnzip($file, $path, $isLastChance)
    {
        if (!self::$hasZipArchive) {
            // Force Exception throwing if the Other alternative is not available
            $isLastChance = true;
        }

        if (!self::$hasSystemUnzip && !$isLastChance) {
            // This was call as the favorite extract way, but is not available
            // We switch to the alternative
            return $this->extractWithZipArchive($file, $path, true);
        }

        $processError = null;
        // When called after a ZipArchive failed, perhaps there is some files to overwrite
        $overwrite = $isLastChance ? '-o' : '';

        $command = 'unzip -qq '.$overwrite.' '.ProcessExecutor::escape($file).' -d '.ProcessExecutor::escape($path);

        try {
            if (0 === $this->process->execute($command, $ignoredOutput)) {
                return true;
            }

            $processError = new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
        } catch (\Exception $e) {
            $processError = $e;
        }

        if ($isLastChance) {
            throw $processError;
        }

        $this->io->writeError('    '.$processError->getMessage());
        $this->io->writeError('    The archive may contain identical file names with different capitalization (which fails on case insensitive filesystems)');
        $this->io->writeError('    Unzip with unzip command failed, falling back to ZipArchive class');

        return $this->extractWithZipArchive($file, $path, true);
    }

    /**
     * extract $file to $path with ZipArchive
     *
     * @param  string $file         File to extract
     * @param  string $path         Path where to extract file
     * @param  bool   $isLastChance If true it is called as a fallback and should throw an exception
     * @return bool   Success status
     */
    protected function extractWithZipArchive($file, $path, $isLastChance)
    {
        if (!self::$hasSystemUnzip) {
            // Force Exception throwing if the Other alternative is not available
            $isLastChance = true;
{'fraction_non_alphanumeric': 0.11382378472222222, 'fraction_numerical': 0.00021701388888888888, 'mean_word_length': 2.551830443159923, 'pattern_counts': {'":': 0, '<': 23, '<?xml version=': 0, '>': 49, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 10, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '120323', 'n_tokens_mistral': 2565, 'n_tokens_neox': 2482, 'n_words': 777}