/**
* {@inheritdoc}
*/
public function download(PackageInterface $package, $path)
{
$url = $package->getDistUrl();
$realUrl = realpath($url);
if (false === $realUrl || !file_exists($realUrl) || !is_dir($realUrl)) {
throw new \RuntimeException(sprintf('Source path "%s" is not found for package %s', $url, $package->getName()));
}
if (strpos(realpath($path) . DIRECTORY_SEPARATOR, $realUrl . DIRECTORY_SEPARATOR) === 0) {
throw new \RuntimeException(sprintf('Package %s cannot install to "%s" inside its source at "%s"', $package->getName(), realpath($path), $realUrl));
}
// Get the transport options with default values
$transportOptions = $package->getTransportOptions() + array('symlink' => null);
// When symlink transport option is null, both symlink and mirror are allowed
$currentStrategy = self::STRATEGY_SYMLINK;
$allowedStrategies = array(self::STRATEGY_SYMLINK, self::STRATEGY_MIRROR);
if (true === $transportOptions['symlink']) {
$currentStrategy = self::STRATEGY_SYMLINK;
$allowedStrategies = array(self::STRATEGY_SYMLINK);
} elseif (false === $transportOptions['symlink']) {
$currentStrategy = self::STRATEGY_MIRROR;
$allowedStrategies = array(self::STRATEGY_MIRROR);
}
$fileSystem = new Filesystem();
$this->filesystem->removeDirectory($path);
$this->io->writeError(sprintf(' - Installing <info>%s</info> (<comment>%s</comment>)', $package->getName(), $package->getFullPrettyVersion()));
if (self::STRATEGY_SYMLINK == $currentStrategy) {
try {
if (Platform::isWindows()) {
// Implement symlinks as NTFS junctions on Windows
$this->filesystem->junction($realUrl, $path);
$this->io->writeError(sprintf(' Junctioned from %s', $url));
} else {
$absolutePath = $path;
if (!$this->filesystem->isAbsolutePath($absolutePath)) {
$absolutePath = getcwd() . DIRECTORY_SEPARATOR . $path;
}
$shortestPath = $this->filesystem->findShortestPath($absolutePath, $realUrl);
$path = rtrim($path, "/");
$fileSystem->symlink($shortestPath, $path);
$this->io->writeError(sprintf(' Symlinked from %s', $url));
}
} catch (IOException $e) {
if (in_array(self::STRATEGY_MIRROR, $allowedStrategies)) {
$this->io->writeError(' <error>Symlink failed, fallback to use mirroring!</error>');
$currentStrategy = self::STRATEGY_MIRROR;
} else {
throw new \RuntimeException(sprintf('Symlink from "%s" to "%s" failed!', $realUrl, $path));
}
}
}
// Fallback if symlink failed or if symlink is not allowed for the package
if (self::STRATEGY_MIRROR == $currentStrategy) {
$fileSystem->mirror($realUrl, $path);
$this->io->writeError(sprintf(' Mirrored from %s', $url));
}
$this->io->writeError('');
}
/**
* {@inheritdoc}
*/
public function getTransportOptions()
{
return $this->package->getTransportOptions();
}
public function getTransportOptions()
{
return $this->aliasOf->getTransportOptions();
}
