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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* 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 <fabien@symfony.com>
13 years ago
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
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();
$finder->files()
->ignoreVCS(true)
->name('*.php')
->notName('Compiler.php')
->notName('ClassLoader.php')
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->in(__DIR__.'/..')
;
foreach ($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'));
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$this->addComposerBin($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($phar);
}
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private function addFile($phar, $file, $strip = true)
{
$path = strtr(str_replace(dirname(dirname(__DIR__)).DIRECTORY_SEPARATOR, '', $file->getRealPath()), '\\', '/');
$content = file_get_contents($file);
if ($strip) {
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$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, $content);
}
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private function addComposerBin($phar)
{
$content = file_get_contents(__DIR__.'/../../bin/composer');
$content = preg_replace('{^#!/usr/bin/env php\s*}', '', $content);
$phar->addFromString('bin/composer', $content);
}
/**
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* Removes whitespace from a PHP source string while preserving line numbers.
*
* @param string $source A PHP string
12 years ago
* @return string The PHP string with the whitespace removed
*/
12 years ago
private function stripWhitespace($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"));
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} 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;
}
13 years ago
private function getStub()
{
$stub = <<<'EOF'
#!/usr/bin/env php
<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view
* the license that is located at the bottom of this file.
*/
Phar::mapPhar('composer.phar');
EOF;
// add warning once the phar is older than 30 days
if (preg_match('{^[a-f0-9]+$}', $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;
}
}