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<?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer; use Composer\Json\JsonFile; use Composer\CaBundle\CaBundle; use Symfony\Component\Finder\Finder; use Symfony\Component\Process\Process; use Seld\PharUtils\Timestamps; use Seld\PharUtils\Linter; /** * The Compiler class compiles composer into a phar * * @author Fabien Potencier <[email protected]> * @author Jordi Boggiano <[email protected]> */ class Compiler { private $version; private $branchAliasVersion = ''; private $versionDate; /** * Compiles composer into a single phar file * * @param string $pharFile The full path to the file to create * @throws \RuntimeException */ public function compile($pharFile = 'composer.phar') { if (file_exists($pharFile)) { unlink($pharFile); } $process = new Process('git log --pretty="%H" -n1 HEAD', __DIR__); if ($process->run() != 0) { throw new \RuntimeException('Can\'t run git log. You must ensure to run compile from composer git repository clone and that git binary is available.'); } $this->version = trim($process->getOutput()); $process = new Process('git log -n1 --pretty=%ci HEAD', __DIR__); if ($process->run() != 0) { throw new \RuntimeException('Can\'t run git log. You must ensure to run compile from composer git repository clone and that git binary is available.'); } $this->versionDate = new \DateTime(trim($process->getOutput())); $this->versionDate->setTimezone(new \DateTimeZone('UTC')); $process = new Process('git describe --tags --exact-match HEAD'); if ($process->run() == 0) { $this->version = trim($process->getOutput()); } else { // get branch-alias defined in composer.json for dev-master (if any) $localConfig = __DIR__.'/../../composer.json'; $file = new JsonFile($localConfig); $localConfig = $file->read(); if (isset($localConfig['extra']['branch-alias']['dev-master'])) { $this->branchAliasVersion = $localConfig['extra']['branch-alias']['dev-master']; } } $phar = new \Phar($pharFile, 0, 'composer.phar'); $phar->setSignatureAlgorithm(\Phar::SHA1); $phar->startBuffering(); $finderSort = function ($a, $b) { return strcmp(strtr($a->getRealPath(), '\\', '/'), strtr($b->getRealPath(), '\\', '/')); }; // Add Composer sources $finder = new Finder(); $finder->files() ->ignoreVCS(true) ->name('*.php') ->notName('Compiler.php') ->notName('ClassLoader.php') ->notName('InstalledVersions.php') ->in(__DIR__.'/..') ->sort($finderSort) ; foreach ($finder as $file) { $this->addFile($phar, $file); } // Add runtime utilities separately to make sure they retains the docblocks as these will get copied into projects $this->addFile($phar, new \SplFileInfo(__DIR__ . '/Autoload/ClassLoader.php'), false); $this->addFile($phar, new \SplFileInfo(__DIR__ . '/InstalledVersions.php'), false); // Add Composer resources $finder = new Finder(); $finder->files() ->in((getenv('BUILDROOT')?:'') . '/usr/share/composer/res') ->sort($finderSort) ; foreach ($finder as $file) { $this->addFile($phar, $file, false); } // Add vendor files $finder = new Finder(); $finder->files() ->ignoreVCS(true) ->notPath('/\/(composer\.(json|lock)|[A-Z]+\.md|\.gitignore|appveyor.yml|phpunit\.xml\.dist|phpstan\.neon\.dist|phpstan-config\.neon)$/') ->notPath('/bin\/(jsonlint|validate-json|simple-phpunit)(\.bat)?$/') ->notPath('symfony/debug/Resources/ext/') ->notPath('justinrainbow/json-schema/demo/') ->notPath('justinrainbow/json-schema/dist/') ->notPath('composer/installed.json') ->notPath('composer/LICENSE') ->exclude('Tests') ->exclude('tests') ->exclude('docs') ->in(__DIR__.'/../../vendor/') ->sort($finderSort) ; $extraFiles = array( realpath(__DIR__ . '/../../vendor/composer/spdx-licenses/res/spdx-exceptions.json'), realpath(__DIR__ . '/../../vendor/composer/spdx-licenses/res/spdx-licenses.json'), realpath(CaBundle::getBundledCaBundlePath()), realpath(__DIR__ . '/../../vendor/symfony/console/Resources/bin/hiddeninput.exe'), realpath(__DIR__ . '/../../vendor/symfony/polyfill-mbstring/Resources/mb_convert_variables.php8'), ); $unexpectedFiles = array(); foreach ($finder as $file) { if (in_array(realpath($file), $extraFiles, true)) { unset($extraFiles[array_search(realpath($file), $extraFiles, true)]); } elseif (!preg_match('{([/\\\\]LICENSE|\.php)$}', $file)) { $unexpectedFiles[] = (string) $file; } if (preg_match('{\.php[\d.]*$}', $file)) { $this->addFile($phar, $file); } else { $this->addFile($phar, $file, false); } } if ($extraFiles) { throw new \RuntimeException('These files were expected but not added to the phar, they might be excluded or gone from the source package:'.PHP_EOL.implode(PHP_EOL, $extraFiles)); } if ($unexpectedFiles) { throw new \RuntimeException('These files were unexpectedly added to the phar, make sure they are excluded or listed in $extraFiles:'.PHP_EOL.implode(PHP_EOL, $unexpectedFiles)); } // Add bin/composer $this->addComposerBin($phar); // Stubs $phar->setStub($this->getStub()); $phar->stopBuffering(); // disabled for interoperability with systems without gzip ext // $phar->compressFiles(\Phar::GZ); $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../LICENSE'), false); unset($phar); // re-sign the phar with reproducible timestamp / signature $util = new Timestamps($pharFile); $util->updateTimestamps($this->versionDate); $util->save($pharFile, \Phar::SHA1); Linter::lint($pharFile); } /** * @param \SplFileInfo $file * @return string */ private function getRelativeFilePath($file) { $realPath = $file->getRealPath(); $pathPrefix = dirname(dirname(__DIR__)).DIRECTORY_SEPARATOR; $pos = strpos($realPath, $pathPrefix); $relativePath = ($pos !== false) ? substr_replace($realPath, '', $pos, strlen($pathPrefix)) : $realPath; return strtr($relativePath, '\\', '/'); } private function addFile($phar, $file, $strip = true) { $path = $this->getRelativeFilePath($file); $content = file_get_contents($file); if ($strip) { $content = $this->stripWhitespace($content); } elseif ('LICENSE' === basename($file)) { $content = "\n".$content."\n"; } if ($path === 'src/Composer/Composer.php') { $content = strtr( $content, array( '@package_version@' => $this->version, '@package_branch_alias_version@' => $this->branchAliasVersion, '@release_date@' => $this->versionDate->format('Y-m-d H:i:s'), ) ); $content = preg_replace('{SOURCE_VERSION = \'[^\']+\';}', 'SOURCE_VERSION = \'\';', $content); } $phar->addFromString($path, $content); } private function addComposerBin($phar) { $content = file_get_contents(__DIR__.'/../../bin/composer'); $content = preg_replace('{^#!/usr/bin/env php\s*}', '', $content); $phar->addFromString('bin/composer', $content); } /** * Removes whitespace from a PHP source string while preserving line numbers. * * @param string $source A PHP string * @return string The PHP string with the whitespace removed */ private function stripWhitespace($source) { if (!function_exists('token_get_all')) { return $source; } $output = ''; foreach (token_get_all($source) as $token) { if (is_string($token)) { $output .= $token; } elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) { $output .= str_repeat("\n", substr_count($token[1], "\n")); } elseif (T_WHITESPACE === $token[0]) { // reduce wide spaces $whitespace = preg_replace('{[ \t]+}', ' ', $token[1]); // normalize newlines to \n $whitespace = preg_replace('{(?:\r\n|\r|\n)}', "\n", $whitespace); // trim leading spaces $whitespace = preg_replace('{\n +}', "\n", $whitespace); $output .= $whitespace; } else { $output .= $token[1]; } } return $output; } private function getStub() { $stub = <<<'EOF' #!/usr/bin/env php <?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * For the full copyright and license information, please view * the license that is located at the bottom of this file. */ // Avoid APC causing random fatal errors per https://github.com/composer/composer/issues/264 if (extension_loaded('apc') && filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN) && filter_var(ini_get('apc.cache_by_default'), FILTER_VALIDATE_BOOLEAN)) { if (version_compare(phpversion('apc'), '3.0.12', '>=')) { ini_set('apc.cache_by_default', 0); } else { fwrite(STDERR, 'Warning: APC <= 3.0.12 may cause fatal errors when running composer commands.'.PHP_EOL); fwrite(STDERR, 'Update APC, or set apc.enable_cli or apc.cache_by_default to 0 in your php.ini.'.PHP_EOL); } } Phar::mapPhar('composer.phar'); EOF; // add warning once the phar is older than 60 days if (preg_match('{^[a-f0-9]+$}', $this->version)) { $warningTime = $this->versionDate->format('U') + 60 * 86400; $stub .= "define('COMPOSER_DEV_WARNING_TIME', $warningTime);\n"; } return $stub . <<<'EOF' require 'phar://composer.phar/bin/composer'; __HALT_COMPILER(); EOF; } }