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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2025 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\ManualUpdater;
use Psy\Exception\ErrorException;
use Psy\VersionUpdater\Downloader;
/**
* Downloads release assets using GitHub CLI (gh).
*
* This allows downloading from private repositories using local credentials.
*/
class GhDownloader implements Downloader
{
private string $tempDir;
private ?string $filename = null;
public function setTempDir(string $tempDir)
{
$this->tempDir = $tempDir;
}
/**
* Download a release asset using gh CLI.
*
* @param string $url Special format: gh://repo/tag/filename
*
* @throws ErrorException on failure
*/
public function download(string $url): bool
{
// Parse the gh:// URL
if (!\preg_match('#^gh://([^/]+/[^/]+)/([^/]+)/(.+)$#', $url, $matches)) {
throw new ErrorException('Invalid gh:// URL format');
}
$repo = $matches[1];
$tag = $matches[2];
$filename = $matches[3];
// Download using gh CLI
$cmd = \sprintf(
'gh release download %s --repo %s --pattern %s --dir %s --clobber 2>&1',
\escapeshellarg($tag),
\escapeshellarg($repo),
\escapeshellarg($filename),
\escapeshellarg($this->tempDir)
);
$output = \shell_exec($cmd);
$this->filename = $this->tempDir.'/'.$filename;
if (!\file_exists($this->filename)) {
throw new ErrorException('Failed to download asset using gh CLI: '.$output);
}
return true;
}
public function getFilename(): string
{
if (!$this->filename) {
throw new ErrorException('No file has been downloaded yet');
}
return $this->filename;
}
public function cleanup()
{
if ($this->filename && \file_exists($this->filename)) {
\unlink($this->filename);
}
}
}
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