* Jordi Boggiano * * 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 Symfony\Component\Finder\Finder; use Symfony\Component\Process\Process; /** * The Compiler class compiles composer into a phar * * @author Fabien Potencier * @author Jordi Boggiano */ class Compiler { private $version; private $branchAliasVersion = ''; private $versionDate; /** * Compiles composer into a single phar file * * @throws \RuntimeException * @param string $pharFile The full path to the file to create */ public function compile($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.'); } $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']; } $date = new \DateTime(trim($process->getOutput())); $date->setTimezone(new \DateTimeZone('UTC')); $this->versionDate = $date->format('Y-m-d H:i:s'); $process = new Process('git describe --tags HEAD'); if ($process->run() == 0) { $this->version = trim($process->getOutput()); } $phar = new \Phar($pharFile, 0, 'composer.phar'); $phar->setSignatureAlgorithm(\Phar::SHA1); $phar->startBuffering(); $finder = new Finder(); $finder->files() ->ignoreVCS(true) ->name('*.php') ->notName('Compiler.php') ->notName('ClassLoader.php') ->in(__DIR__.'/..') ; foreach ($finder as $file) { $this->addFile($phar, $file); } $this->addFile($phar, new \SplFileInfo(__DIR__ . '/Autoload/ClassLoader.php'), false); $finder = new Finder(); $finder->files() ->name('*.json') ->in(__DIR__ . '/../../res') ; foreach ($finder as $file) { $this->addFile($phar, $file, false); } $this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../src/Composer/IO/hiddeninput.exe'), false); $finder = new Finder(); $finder->files() ->ignoreVCS(true) ->name('*.php') ->exclude('Tests') ->in(__DIR__.'/../../vendor/symfony/') ->in(__DIR__.'/../../vendor/seld/jsonlint/src/') ->in(__DIR__.'/../../vendor/justinrainbow/json-schema/src/') ; foreach ($finder as $file) { $this->addFile($phar, $file); } $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/autoload.php')); $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_namespaces.php')); $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_psr4.php')); $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_classmap.php')); $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_real.php')); if (file_exists(__DIR__.'/../../vendor/composer/include_paths.php')) { $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/include_paths.php')); } $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/ClassLoader.php')); $this->addComposerBin($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($phar); } private function addFile($phar, $file, $strip = true) { $path = strtr(str_replace(dirname(dirname(__DIR__)).DIRECTORY_SEPARATOR, '', $file->getRealPath()), '\\', '/'); $content = file_get_contents($file); if ($strip) { $content = $this->stripWhitespace($content); } elseif ('LICENSE' === basename($file)) { $content = "\n".$content."\n"; } if ($path === 'src/Composer/Composer.php') { $content = str_replace('@package_version@', $this->version, $content); $content = str_replace('@package_branch_alias_version@', $this->branchAliasVersion, $content); $content = str_replace('@release_date@', $this->versionDate, $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() { $stub = <<<'EOF' #!/usr/bin/env php * Jordi Boggiano * * For the full copyright and license information, please view * the license that is located at the bottom of this file. */ Phar::mapPhar('composer.phar'); EOF; // add warning once the phar is older than 30 days if (preg_match('{^[a-f0-9]+$}', $this->version)) { $warningTime = time() + 30*86400; $stub .= "define('COMPOSER_DEV_WARNING_TIME', $warningTime);\n"; } return $stub . <<<'EOF' require 'phar://composer.phar/bin/composer'; __HALT_COMPILER(); EOF; } }