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/home/getspomw/royalsquad.us/vendor/psy/psysh/src/VersionUpdater/Installer.php

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<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\VersionUpdater;

use Psy\Exception\ErrorException;

class Installer
{
    /**
     * @var string
     */
    protected $installLocation;

/**
     * @var string
     */
    protected $tempDirectory;

public function __construct(?string $tempDirectory = null)
    {
        $this->tempDirectory = $tempDirectory ?: \sys_get_temp_dir();
        $this->installLocation = \Phar::running(false);
    }

/**
     * Public to allow the Downloader to use the temporary directory if it's been set.
     */
    public function getTempDirectory(): string
    {
        return $this->tempDirectory;
    }

/**
     * Verify the currently installed PsySH phar is writable so it can be replaced.
     */
    public function isInstallLocationWritable(): bool
    {
        return \is_writable($this->installLocation);
    }

/**
     * Verify the temporary directory is writable so downloads and backups can be saved there.
     */
    public function isTempDirectoryWritable(): bool
    {
        return \is_writable($this->tempDirectory);
    }

/**
     * Verifies the downloaded archive can be extracted with \PharData.
     */
    public function isValidSource(string $sourceArchive): bool
    {
        if (!\class_exists('\PharData')) {
            return false;
        }
        $pharArchive = new \PharData($sourceArchive);

return $pharArchive->valid();
    }

/**
     * Extract the "psysh" phar from the archive and move it, replacing the currently installed phar.
     */
    public function install(string $sourceArchive): bool
    {
        $pharArchive = new \PharData($sourceArchive);
        $outputDirectory = \tempnam($this->tempDirectory, 'psysh-');

// remove the temp file, and replace it with a sub-directory
        if (!\unlink($outputDirectory) || !\mkdir($outputDirectory, 0700)) {
            return false;
        }

$pharArchive->extractTo($outputDirectory, ['psysh'], true);

$renamed = \rename($outputDirectory.'/psysh', $this->installLocation);

// Remove the sub-directory created to extract the psysh binary/phar
        \rmdir($outputDirectory);

return $renamed;
    }

/**
     * Create a backup of the currently installed PsySH phar in the temporary directory with a version number postfix.
     */
    public function createBackup(string $version): bool
    {
        $backupFilename = $this->getBackupFilename($version);

if (\file_exists($backupFilename) && !\is_writable($backupFilename)) {
            return false;
        }

return \rename($this->installLocation, $backupFilename);
    }

/**
     * Restore the backup file to the original PsySH install location.
     *
     * @throws ErrorException If the backup file could not be found
     */
    public function restoreFromBackup(string $version): bool
    {
        $backupFilename = $this->getBackupFilename($version);

if (!\file_exists($backupFilename)) {
            throw new ErrorException("Cannot restore from backup. File not found! [{$backupFilename}]");
        }

return \rename($backupFilename, $this->installLocation);
    }

/**
     * Get the full path for the backup target file location.
     */
    public function getBackupFilename(string $version): string
    {
        $installFilename = \basename($this->installLocation);

return \sprintf('%s/%s.%s', $this->tempDirectory, $installFilename, $version);
    }
}

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Name	Size	Perms	Modified	Actions
Downloader DIR	-	drwxrwxrwx	2025-09-17 06:53:38	Edit Download recursive recursive
Checker.php	492 B	lrw-rw-rw-	2025-09-17 06:53:38	Edit Download recursive recursive
Downloader.php	859 B	lrw-rw-rw-	2025-09-17 06:53:38	Edit Download recursive recursive
GitHubChecker.php	1.96 KB	lrw-rw-rw-	2025-09-17 06:53:38	Edit Download recursive recursive
Installer.php	3.59 KB	lrw-rw-rw-	2025-09-17 06:53:38	Edit Download recursive recursive
IntervalChecker.php	1.92 KB	lrw-rw-rw-	2025-09-17 06:53:38	Edit Download recursive recursive
NoopChecker.php	546 B	lrw-rw-rw-	2025-09-17 06:53:38	Edit Download recursive recursive
SelfUpdate.php	5.48 KB	lrw-rw-rw-	2025-09-17 06:53:38	Edit Download recursive recursive

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