function PathDownloader::remove

@inheritDoc

Overrides FileDownloader::remove

File

vendor/composer/composer/src/Composer/Downloader/PathDownloader.php, line 173

Class

PathDownloader

Download a package from a local path.

Namespace

Composer\Downloader

Code

public function remove(PackageInterface $package, string $path, bool $output = true) : PromiseInterface {
    $path = Filesystem::trimTrailingSlash($path);
    
    /**
     * realpath() may resolve Windows junctions to the source path, so we'll check for a junction first
     * to prevent a false positive when checking if the dist and install paths are the same.
     * See https://bugs.php.net/bug.php?id=77639
     *
     * For junctions don't blindly rely on Filesystem::removeDirectory as it may be overzealous. If a process
     * inadvertently locks the file the removal will fail, but it would fall back to recursive delete which
     * is disastrous within a junction. So in that case we have no other real choice but to fail hard.
     */
    if (Platform::isWindows() && $this->filesystem
        ->isJunction($path)) {
        if ($output) {
            $this->io
                ->writeError("  - " . UninstallOperation::format($package) . ", source is still present in {$path}");
        }
        if (!$this->filesystem
            ->removeJunction($path)) {
            $this->io
                ->writeError("    <warning>Could not remove junction at " . $path . " - is another process locking it?</warning>");
            throw new \RuntimeException('Could not reliably remove junction for package ' . $package->getName());
        }
        return \React\Promise\resolve(null);
    }
    $url = $package->getDistUrl();
    if (null === $url) {
        throw new \RuntimeException('The package ' . $package->getPrettyName() . ' has no dist url configured, cannot remove.');
    }
    // ensure that the source path (dist url) is not the same as the install path, which
    // can happen when using custom installers, see https://github.com/composer/composer/pull/9116
    // not using realpath here as we do not want to resolve the symlink to the original dist url
    // it points to
    $fs = new Filesystem();
    $absPath = $fs->isAbsolutePath($path) ? $path : Platform::getCwd() . '/' . $path;
    $absDistUrl = $fs->isAbsolutePath($url) ? $url : Platform::getCwd() . '/' . $url;
    if ($fs->normalizePath($absPath) === $fs->normalizePath($absDistUrl)) {
        if ($output) {
            $this->io
                ->writeError("  - " . UninstallOperation::format($package) . ", source is still present in {$path}");
        }
        return \React\Promise\resolve(null);
    }
    return parent::remove($package, $path, $output);
}