--- /dev/null
+<?php
+
+namespace Composer\Installers;
+
+use Composer\Util\Filesystem;
+
+/**
+ * Installer for Bitrix Framework. Supported types of extensions:
+ * - `bitrix-d7-module` — copy the module to directory `bitrix/modules/<vendor>.<name>`.
+ * - `bitrix-d7-component` — copy the component to directory `bitrix/components/<vendor>/<name>`.
+ * - `bitrix-d7-template` — copy the template to directory `bitrix/templates/<vendor>_<name>`.
+ *
+ * You can set custom path to directory with Bitrix kernel in `composer.json`:
+ *
+ * ```json
+ * {
+ * "extra": {
+ * "bitrix-dir": "s1/bitrix"
+ * }
+ * }
+ * ```
+ *
+ * @author Nik Samokhvalov <nik@samokhvalov.info>
+ * @author Denis Kulichkin <onexhovia@gmail.com>
+ */
+class BitrixInstaller extends BaseInstaller
+{
+ protected $locations = array(
+ 'module' => '{$bitrix_dir}/modules/{$name}/', // deprecated, remove on the major release (Backward compatibility will be broken)
+ 'component' => '{$bitrix_dir}/components/{$name}/', // deprecated, remove on the major release (Backward compatibility will be broken)
+ 'theme' => '{$bitrix_dir}/templates/{$name}/', // deprecated, remove on the major release (Backward compatibility will be broken)
+ 'd7-module' => '{$bitrix_dir}/modules/{$vendor}.{$name}/',
+ 'd7-component' => '{$bitrix_dir}/components/{$vendor}/{$name}/',
+ 'd7-template' => '{$bitrix_dir}/templates/{$vendor}_{$name}/',
+ );
+
+ /**
+ * @var array Storage for informations about duplicates at all the time of installation packages.
+ */
+ private static $checkedDuplicates = array();
+
+ /**
+ * {@inheritdoc}
+ */
+ public function inflectPackageVars($vars)
+ {
+ if ($this->composer->getPackage()) {
+ $extra = $this->composer->getPackage()->getExtra();
+
+ if (isset($extra['bitrix-dir'])) {
+ $vars['bitrix_dir'] = $extra['bitrix-dir'];
+ }
+ }
+
+ if (!isset($vars['bitrix_dir'])) {
+ $vars['bitrix_dir'] = 'bitrix';
+ }
+
+ return parent::inflectPackageVars($vars);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function templatePath($path, array $vars = array())
+ {
+ $templatePath = parent::templatePath($path, $vars);
+ $this->checkDuplicates($templatePath, $vars);
+
+ return $templatePath;
+ }
+
+ /**
+ * Duplicates search packages.
+ *
+ * @param string $path
+ * @param array $vars
+ */
+ protected function checkDuplicates($path, array $vars = array())
+ {
+ $packageType = substr($vars['type'], strlen('bitrix') + 1);
+ $localDir = explode('/', $vars['bitrix_dir']);
+ array_pop($localDir);
+ $localDir[] = 'local';
+ $localDir = implode('/', $localDir);
+
+ $oldPath = str_replace(
+ array('{$bitrix_dir}', '{$name}'),
+ array($localDir, $vars['name']),
+ $this->locations[$packageType]
+ );
+
+ if (in_array($oldPath, static::$checkedDuplicates)) {
+ return;
+ }
+
+ if ($oldPath !== $path && file_exists($oldPath) && $this->io && $this->io->isInteractive()) {
+
+ $this->io->writeError(' <error>Duplication of packages:</error>');
+ $this->io->writeError(' <info>Package ' . $oldPath . ' will be called instead package ' . $path . '</info>');
+
+ while (true) {
+ switch ($this->io->ask(' <info>Delete ' . $oldPath . ' [y,n,?]?</info> ', '?')) {
+ case 'y':
+ $fs = new Filesystem();
+ $fs->removeDirectory($oldPath);
+ break 2;
+
+ case 'n':
+ break 2;
+
+ case '?':
+ default:
+ $this->io->writeError(array(
+ ' y - delete package ' . $oldPath . ' and to continue with the installation',
+ ' n - don\'t delete and to continue with the installation',
+ ));
+ $this->io->writeError(' ? - print help');
+ break;
+ }
+ }
+ }
+
+ static::$checkedDuplicates[] = $oldPath;
+ }
+}