src/Composer/Compiler.php
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(), '\\', '/'));
        };

        $finder = new Finder();
        $finder->files()
            ->ignoreVCS(true)
            ->name('*.php')
            ->notName('Compiler.php')
            ->notName('ClassLoader.php')
            ->in(__DIR__.'/..')
            ->sort($finderSort)
        ;

        foreach ($finder as $file) {
            $this->addFile($phar, $file);
        }
        $this->addFile($phar, new \SplFileInfo(__DIR__ . '/Autoload/ClassLoader.php'), false);

        $finder = new Finder();
        $finder->files()
            ->name('*.json')
            ->in(__DIR__.'/../../res')
            ->in(SpdxLicenses::getResourcesDir())
            ->sort($finderSort)
        ;

        foreach ($finder as $file) {
            $this->addFile($phar, $file, false);
        }
        $this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/symfony/console/Resources/bin/hiddeninput.exe'), false);

        $finder = new Finder();
        $finder->files()
            ->ignoreVCS(true)
            ->name('*.php')
            ->name('LICENSE')
            ->exclude('Tests')
            ->exclude('tests')
            ->exclude('docs')
            ->in(__DIR__.'/../../vendor/symfony/')
            ->in(__DIR__.'/../../vendor/seld/jsonlint/')
            ->in(__DIR__.'/../../vendor/justinrainbow/json-schema/')
            ->in(__DIR__.'/../../vendor/composer/spdx-licenses/')
            ->in(__DIR__.'/../../vendor/composer/semver/')
            ->in(__DIR__.'/../../vendor/composer/ca-bundle/')
            ->in(__DIR__.'/../../vendor/composer/xdebug-handler/')
            ->in(__DIR__.'/../../vendor/psr/')
            ->sort($finderSort)
        ;

        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_files.php'));
        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_real.php'));
        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_static.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'));

        $this->addFile($phar, new \SplFileInfo(CaBundle::getBundledCaBundlePath()), false);

        $this->addComposerBin($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);
    }
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(), '\\', '/'));
        };

        $finder = new Finder();
        $finder->files()
            ->ignoreVCS(true)
            ->name('*.php')
            ->notName('Compiler.php')
            ->notName('ClassLoader.php')
            ->in(__DIR__.'/..')
            ->sort($finderSort)
        ;

        foreach ($finder as $file) {
            $this->addFile($phar, $file);
        }
        $this->addFile($phar, new \SplFileInfo(__DIR__ . '/Autoload/ClassLoader.php'), false);

        $finder = new Finder();
        $finder->files()
            ->name('*.json')
            ->in(__DIR__.'/../../res')
            ->in(SpdxLicenses::getResourcesDir())
            ->sort($finderSort)
        ;

        foreach ($finder as $file) {
            $this->addFile($phar, $file, false);
        }
        $this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/symfony/console/Resources/bin/hiddeninput.exe'), false);

        $finder = new Finder();
        $finder->files()
            ->ignoreVCS(true)
            ->name('*.php')
            ->name('LICENSE')
            ->exclude('Tests')
            ->exclude('tests')
            ->exclude('docs')
            ->in(__DIR__.'/../../vendor/symfony/')
            ->in(__DIR__.'/../../vendor/seld/jsonlint/')
            ->in(__DIR__.'/../../vendor/justinrainbow/json-schema/')
            ->in(__DIR__.'/../../vendor/composer/spdx-licenses/')
            ->in(__DIR__.'/../../vendor/composer/semver/')
            ->in(__DIR__.'/../../vendor/composer/ca-bundle/')
            ->in(__DIR__.'/../../vendor/composer/xdebug-handler/')
            ->in(__DIR__.'/../../vendor/psr/')
            ->sort($finderSort)
        ;

        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_files.php'));
        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_real.php'));
        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../vendor/composer/autoload_static.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'));

        $this->addFile($phar, new \SplFileInfo(CaBundle::getBundledCaBundlePath()), false);

        $this->addComposerBin($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);
    }
Compiles composer into a single phar file

@param  string            $pharFile The full path to the file to create
@throws \RuntimeException